cpython-lru_cache-weakref: Python/pystate.c annotate

annotate Python/pystate.c @ 58664:993f703a61ba

Merged revisions 77484,77487,77561,77570,77593,77603,77608,77667,77702-77703,77739,77858,77887,77889 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r77484 | skip.montanaro | 2010-01-13 19:12:34 -0600 (Wed, 13 Jan 2010) | 4 lines Update PyEval_EvalFrame to PyEval_EvalFrameEx. This looks to have been done partially before. Also add a comment describing how this might have to work with different versions of the interpreter. ........ r77487 | ezio.melotti | 2010-01-14 05:34:10 -0600 (Thu, 14 Jan 2010) | 1 line Fixed typo ........ r77561 | georg.brandl | 2010-01-17 02:42:30 -0600 (Sun, 17 Jan 2010) | 1 line #7699: improve datetime docs: straightforward linking to strftime/strptime section, mark classmethods as such. ........ r77570 | georg.brandl | 2010-01-17 06:14:42 -0600 (Sun, 17 Jan 2010) | 1 line Add note about usage of STRINGLIB_EMPTY. ........ r77593 | georg.brandl | 2010-01-17 17:33:53 -0600 (Sun, 17 Jan 2010) | 1 line Fix internal reference. ........ r77603 | benjamin.peterson | 2010-01-18 17:07:56 -0600 (Mon, 18 Jan 2010) | 8 lines data descriptors do not override the class dictionary if __get__ is not defined Adjust documentation and add a test to verify this behavior. See http://mail.python.org/pipermail/python-dev/2010-January/095637.html for discussion. ........ r77608 | gregory.p.smith | 2010-01-19 02:19:03 -0600 (Tue, 19 Jan 2010) | 6 lines Do not compile stubs for the sha2 series hashes in the openssl hashlib module when the openssl version is too old to support them. That leads both compiled code bloat and to unittests attempting to test implementations that don't exist for comparison purposes on such platforms. ........ r77667 | mark.dickinson | 2010-01-21 12:32:27 -0600 (Thu, 21 Jan 2010) | 1 line Add two more test_strtod test values. ........ r77702 | georg.brandl | 2010-01-23 02:43:31 -0600 (Sat, 23 Jan 2010) | 1 line #7762: fix refcount annotation of PyUnicode_Tailmatch(). ........ r77703 | georg.brandl | 2010-01-23 02:47:54 -0600 (Sat, 23 Jan 2010) | 1 line #7725: fix referencing issue. ........ r77739 | benjamin.peterson | 2010-01-24 21:52:52 -0600 (Sun, 24 Jan 2010) | 1 line mention from_float() in error message ........ r77858 | georg.brandl | 2010-01-30 11:57:48 -0600 (Sat, 30 Jan 2010) | 1 line #7802: fix invalid example (heh). ........ r77887 | georg.brandl | 2010-01-31 12:51:49 -0600 (Sun, 31 Jan 2010) | 5 lines Fix-up ftplib documentation: move exception descriptions to toplevel, not inside a class remove attribution in "versionadded" spell and grammar check docstring of FTP_TLS ........ r77889 | michael.foord | 2010-01-31 13:59:26 -0600 (Sun, 31 Jan 2010) | 1 line Minor modification to unittest documentation. ........

author	Benjamin Peterson <benjamin@python.org>
date	Wed, 03 Feb 2010 02:35:45 +0000
parents	fdd6484f1210
children	dd8527399582

rev	line source
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	1
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	2 /* Thread and interpreter state structures and their interfaces */
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	3
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	4 #include "Python.h"
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	5
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	6 /* --------------------------------------------------------------------------
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	7 CAUTION
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	8
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	9 Always use malloc() and free() directly in this file. A number of these
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	10 functions are advertised as safe to call when the GIL isn't held, and in
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	11 a debug build Python redirects (e.g.) PyMem_NEW (etc) to Python's debugging
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	12 obmalloc functions. Those aren't thread-safe (they rely on the GIL to avoid
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	13 the expense of doing their own locking).
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	14 -------------------------------------------------------------------------- */
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	15
18689 064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	16 #ifdef HAVE_DLOPEN
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	17 #ifdef HAVE_DLFCN_H
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	18 #include <dlfcn.h>
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	19 #endif
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	20 #ifndef RTLD_LAZY
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	21 #define RTLD_LAZY 1
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	22 #endif
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	23 #endif
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	24
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	25
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	26 #ifdef WITH_THREAD
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	27 #include "pythread.h"
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	28 static PyThread_type_lock head_mutex = NULL; /* Protects interp->tstate_head */
13866 dfdb601cee1c Removing warnings by gcc -Wall -- cast ugly \|\| to void. Moshe Zadka <moshez@math.huji.ac.il> parents: 13658 diff changeset	29 #define HEAD_INIT() (void)(head_mutex \|\| (head_mutex = PyThread_allocate_lock()))
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	30 #define HEAD_LOCK() PyThread_acquire_lock(head_mutex, WAIT_LOCK)
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	31 #define HEAD_UNLOCK() PyThread_release_lock(head_mutex)
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	32
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	33 #ifdef __cplusplus
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	34 extern "C" {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	35 #endif
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	36
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	37 /* The single PyInterpreterState used by this process'
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	38 GILState implementation
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	39 */
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	40 static PyInterpreterState *autoInterpreterState = NULL;
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	41 static int autoTLSkey = 0;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	42 #else
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	43 #define HEAD_INIT() /* Nothing */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	44 #define HEAD_LOCK() /* Nothing */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	45 #define HEAD_UNLOCK() /* Nothing */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	46 #endif
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	47
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	48 static PyInterpreterState *interp_head = NULL;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	49
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	50 PyThreadState *_PyThreadState_Current = NULL;
27978 4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject * Guido van Rossum <guido@python.org> parents: 26109 diff changeset	51 PyThreadFrameGetter _PyThreadState_GetFrame = NULL;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	52
35661 85651eb3d9a9 Forward port bugfix: Michael W. Hudson <mwh@python.net> parents: 35117 diff changeset	53 #ifdef WITH_THREAD
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	54 static void _PyGILState_NoteThreadState(PyThreadState* tstate);
35661 85651eb3d9a9 Forward port bugfix: Michael W. Hudson <mwh@python.net> parents: 35117 diff changeset	55 #endif
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	56
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	57
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	58 PyInterpreterState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	59 PyInterpreterState_New(void)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	60 {
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	61 PyInterpreterState interp = (PyInterpreterState )
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	62 malloc(sizeof(PyInterpreterState));
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	63
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	64 if (interp != NULL) {
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	65 HEAD_INIT();
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	66 #ifdef WITH_THREAD
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	67 if (head_mutex == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	68 Py_FatalError("Can't initialize threads for interpreter");
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	69 #endif
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	70 interp->modules = NULL;
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40450 diff changeset	71 interp->modules_reloading = NULL;
47580 94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	72 interp->modules_by_index = NULL;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	73 interp->sysdict = NULL;
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	74 interp->builtins = NULL;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	75 interp->tstate_head = NULL;
28325 850626d47574 Fixed SF bug #663074. The codec system was using global static Gustavo Niemeyer <gustavo@niemeyer.net> parents: 27978 diff changeset	76 interp->codec_search_path = NULL;
850626d47574 Fixed SF bug #663074. The codec system was using global static Gustavo Niemeyer <gustavo@niemeyer.net> parents: 27978 diff changeset	77 interp->codec_search_cache = NULL;
850626d47574 Fixed SF bug #663074. The codec system was using global static Gustavo Niemeyer <gustavo@niemeyer.net> parents: 27978 diff changeset	78 interp->codec_error_registry = NULL;
49613 efef5fc45a9a Issue 3723: Fixed initialization of subinterpreters Christian Heimes <christian@cheimes.de> parents: 48680 diff changeset	79 interp->codecs_initialized = 0;
18689 064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	80 #ifdef HAVE_DLOPEN
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	81 #ifdef RTLD_NOW
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	82 interp->dlopenflags = RTLD_NOW;
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	83 #else
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	84 interp->dlopenflags = RTLD_LAZY;
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	85 #endif
064de84385ca Patch #412229: Add functions sys.getdlopenflags and sys.setdlopenflags. Martin v. Löwis <martin@v.loewis.de> parents: 18374 diff changeset	86 #endif
32301 41c59d80bbc5 Patch #510695: Add TSC profiling for the VM. Martin v. Löwis <martin@v.loewis.de> parents: 31797 diff changeset	87 #ifdef WITH_TSC
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM. Martin v. Löwis <martin@v.loewis.de> parents: 31797 diff changeset	88 interp->tscdump = 0;
41c59d80bbc5 Patch #510695: Add TSC profiling for the VM. Martin v. Löwis <martin@v.loewis.de> parents: 31797 diff changeset	89 #endif
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	90
14378 ca7316a00464 PyInterpreterState_New is not thread-safe, and the recent fix to _PyPclose Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	91 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	92 interp->next = interp_head;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	93 interp_head = interp;
14378 ca7316a00464 PyInterpreterState_New is not thread-safe, and the recent fix to _PyPclose Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	94 HEAD_UNLOCK();
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	95 }
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	96
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	97 return interp;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	98 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	99
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	100
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	101 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	102 PyInterpreterState_Clear(PyInterpreterState *interp)
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	103 {
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	104 PyThreadState *p;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	105 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	106 for (p = interp->tstate_head; p != NULL; p = p->next)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	107 PyThreadState_Clear(p);
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	108 HEAD_UNLOCK();
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	109 Py_CLEAR(interp->codec_search_path);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	110 Py_CLEAR(interp->codec_search_cache);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	111 Py_CLEAR(interp->codec_error_registry);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	112 Py_CLEAR(interp->modules);
47580 94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	113 Py_CLEAR(interp->modules_by_index);
41554 06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from Guido van Rossum <guido@python.org> parents: 40450 diff changeset	114 Py_CLEAR(interp->modules_reloading);
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	115 Py_CLEAR(interp->sysdict);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	116 Py_CLEAR(interp->builtins);
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	117 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	118
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	119
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	120 static void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	121 zapthreads(PyInterpreterState *interp)
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	122 {
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	123 PyThreadState *p;
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	124 /* No need to lock the mutex here because this should only happen
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	125 when the threads are all really dead (XXX famous last words). */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	126 while ((p = interp->tstate_head) != NULL) {
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	127 PyThreadState_Delete(p);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	128 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	129 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	130
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	131
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	132 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	133 PyInterpreterState_Delete(PyInterpreterState *interp)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	134 {
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	135 PyInterpreterState **p;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	136 zapthreads(interp);
14378 ca7316a00464 PyInterpreterState_New is not thread-safe, and the recent fix to _PyPclose Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	137 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	138 for (p = &interp_head; ; p = &(*p)->next) {
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	139 if (*p == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	140 Py_FatalError(
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	141 "PyInterpreterState_Delete: invalid interp");
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	142 if (*p == interp)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	143 break;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	144 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	145 if (interp->tstate_head != NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	146 Py_FatalError("PyInterpreterState_Delete: remaining threads");
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	147 *p = interp->next;
14378 ca7316a00464 PyInterpreterState_New is not thread-safe, and the recent fix to _PyPclose Tim Peters <tim.peters@gmail.com> parents: 14375 diff changeset	148 HEAD_UNLOCK();
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	149 free(interp);
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	150 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	151
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	152
26109 e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	153 /* Default implementation for _PyThreadState_GetFrame */
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	154 static struct _frame *
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	155 threadstate_getframe(PyThreadState *self)
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	156 {
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	157 return self->frame;
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	158 }
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	159
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	160 PyThreadState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	161 PyThreadState_New(PyInterpreterState *interp)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	162 {
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	163 PyThreadState tstate = (PyThreadState )malloc(sizeof(PyThreadState));
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	164
26109 e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	165 if (_PyThreadState_GetFrame == NULL)
27978 4b99a701defe - PyEval_GetFrame() is now declared to return a PyFrameObject * Guido van Rossum <guido@python.org> parents: 26109 diff changeset	166 _PyThreadState_GetFrame = threadstate_getframe;
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	167
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	168 if (tstate != NULL) {
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	169 tstate->interp = interp;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	170
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	171 tstate->frame = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	172 tstate->recursion_depth = 0;
42013 cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41554 diff changeset	173 tstate->overflowed = 0;
cd125fe83051 Make identifiers str (not str8) objects throughout. Martin v. Löwis <martin@v.loewis.de> parents: 41554 diff changeset	174 tstate->recursion_critical = 0;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	175 tstate->tracing = 0;
18374 3b295ce2705f This change adjusts the profiling/tracing support so that the common Fred Drake <fdrake@acm.org> parents: 18326 diff changeset	176 tstate->use_tracing = 0;
26109 e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	177 tstate->tick_counter = 0;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	178 tstate->gilstate_counter = 0;
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	179 tstate->async_exc = NULL;
29842 014cc362aa91 Initialize thread_id to 0 in unthreaded build. Fixes #770247. Martin v. Löwis <martin@v.loewis.de> parents: 29643 diff changeset	180 #ifdef WITH_THREAD
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	181 tstate->thread_id = PyThread_get_thread_ident();
29842 014cc362aa91 Initialize thread_id to 0 in unthreaded build. Fixes #770247. Martin v. Löwis <martin@v.loewis.de> parents: 29643 diff changeset	182 #else
014cc362aa91 Initialize thread_id to 0 in unthreaded build. Fixes #770247. Martin v. Löwis <martin@v.loewis.de> parents: 29643 diff changeset	183 tstate->thread_id = 0;
014cc362aa91 Initialize thread_id to 0 in unthreaded build. Fixes #770247. Martin v. Löwis <martin@v.loewis.de> parents: 29643 diff changeset	184 #endif
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	185
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	186 tstate->dict = NULL;
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	187
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	188 tstate->curexc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	189 tstate->curexc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	190 tstate->curexc_traceback = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	191
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	192 tstate->exc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	193 tstate->exc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	194 tstate->exc_traceback = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	195
18326 e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	196 tstate->c_profilefunc = NULL;
e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	197 tstate->c_tracefunc = NULL;
e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	198 tstate->c_profileobj = NULL;
e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	199 tstate->c_traceobj = NULL;
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	200
35661 85651eb3d9a9 Forward port bugfix: Michael W. Hudson <mwh@python.net> parents: 35117 diff changeset	201 #ifdef WITH_THREAD
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	202 _PyGILState_NoteThreadState(tstate);
35661 85651eb3d9a9 Forward port bugfix: Michael W. Hudson <mwh@python.net> parents: 35117 diff changeset	203 #endif
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	204
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	205 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	206 tstate->next = interp->tstate_head;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	207 interp->tstate_head = tstate;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	208 HEAD_UNLOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	209 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	210
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	211 return tstate;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	212 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	213
47580 94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	214 PyObject*
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	215 PyState_FindModule(struct PyModuleDef* m)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	216 {
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	217 Py_ssize_t index = m->m_base.m_index;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	218 PyInterpreterState *state = PyThreadState_GET()->interp;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	219 PyObject *res;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	220 if (index == 0)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	221 return NULL;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	222 if (state->modules_by_index == NULL)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	223 return NULL;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	224 if (index > PyList_GET_SIZE(state->modules_by_index))
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	225 return NULL;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	226 res = PyList_GET_ITEM(state->modules_by_index, index);
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	227 return res==Py_None ? NULL : res;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	228 }
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	229
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	230 int
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	231 _PyState_AddModule(PyObject* module, struct PyModuleDef* def)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	232 {
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	233 PyInterpreterState *state = PyThreadState_GET()->interp;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	234 if (!def)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	235 return -1;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	236 if (!state->modules_by_index) {
49736 620a34dc10f9 Issue #3327: Don't overallocate in the modules_by_index list. Martin v. Löwis <martin@v.loewis.de> parents: 49613 diff changeset	237 state->modules_by_index = PyList_New(0);
47580 94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	238 if (!state->modules_by_index)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	239 return -1;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	240 }
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	241 while(PyList_GET_SIZE(state->modules_by_index) <= def->m_base.m_index)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	242 if (PyList_Append(state->modules_by_index, Py_None) < 0)
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	243 return -1;
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	244 Py_INCREF(module);
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	245 return PyList_SetItem(state->modules_by_index,
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	246 def->m_base.m_index, module);
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API. Martin v. Löwis <martin@v.loewis.de> parents: 44834 diff changeset	247 }
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	248
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	249 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	250 PyThreadState_Clear(PyThreadState *tstate)
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	251 {
6549 a8e3b2e9f5d2 The warning about thread still having a frame now only happens in Guido van Rossum <guido@python.org> parents: 6124 diff changeset	252 if (Py_VerboseFlag && tstate->frame != NULL)
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	253 fprintf(stderr,
6124 cc2c84769636 Added missing newline to warning msg Guido van Rossum <guido@python.org> parents: 5926 diff changeset	254 "PyThreadState_Clear: warning: thread still has a frame\n");
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	255
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	256 Py_CLEAR(tstate->frame);
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	257
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	258 Py_CLEAR(tstate->dict);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	259 Py_CLEAR(tstate->async_exc);
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	260
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	261 Py_CLEAR(tstate->curexc_type);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	262 Py_CLEAR(tstate->curexc_value);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	263 Py_CLEAR(tstate->curexc_traceback);
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	264
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	265 Py_CLEAR(tstate->exc_type);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	266 Py_CLEAR(tstate->exc_value);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	267 Py_CLEAR(tstate->exc_traceback);
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	268
18326 e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	269 tstate->c_profilefunc = NULL;
e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	270 tstate->c_tracefunc = NULL;
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	271 Py_CLEAR(tstate->c_profileobj);
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	272 Py_CLEAR(tstate->c_traceobj);
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	273 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	274
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	275
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	276 /* Common code for PyThreadState_Delete() and PyThreadState_DeleteCurrent() */
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	277 static void
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	278 tstate_delete_common(PyThreadState *tstate)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	279 {
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	280 PyInterpreterState *interp;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	281 PyThreadState **p;
44834 ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	282 PyThreadState *prev_p = NULL;
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	283 if (tstate == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	284 Py_FatalError("PyThreadState_Delete: NULL tstate");
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	285 interp = tstate->interp;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	286 if (interp == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	287 Py_FatalError("PyThreadState_Delete: NULL interp");
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	288 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	289 for (p = &interp->tstate_head; ; p = &(*p)->next) {
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	290 if (*p == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	291 Py_FatalError(
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	292 "PyThreadState_Delete: invalid tstate");
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	293 if (*p == tstate)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	294 break;
48680 7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 47580 diff changeset	295 /* Sanity check. These states should never happen but if
7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 47580 diff changeset	296 * they do we must abort. Otherwise we'll end up spinning in
7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 47580 diff changeset	297 * in a tight loop with the lock held. A similar check is done
7779af388aec Merged revisions 65459,65472,65481,65518,65536,65581,65609,65637,65641,65644-65645 via svnmerge from Georg Brandl <georg@python.org> parents: 47580 diff changeset	298 * in thread.c find_key(). */
44834 ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	299 if (*p == prev_p)
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	300 Py_FatalError(
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	301 "PyThreadState_Delete: small circular list(!)"
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	302 " and tstate not found.");
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	303 prev_p = *p;
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	304 if ((*p)->next == interp->tstate_head)
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	305 Py_FatalError(
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	306 "PyThreadState_Delete: circular list(!) and"
ed33da2e74e7 Merged revisions 60143-60149 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 44099 diff changeset	307 " tstate not found.");
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	308 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	309 *p = tstate->next;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	310 HEAD_UNLOCK();
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	311 free(tstate);
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	312 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	313
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	314
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	315 void
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	316 PyThreadState_Delete(PyThreadState *tstate)
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	317 {
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	318 if (tstate == _PyThreadState_Current)
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	319 Py_FatalError("PyThreadState_Delete: tstate is still current");
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	320 tstate_delete_common(tstate);
36683 da2a1049215d Patch 1413181, by Gabriel Becedillas. Tim Peters <tim.peters@gmail.com> parents: 35661 diff changeset	321 #ifdef WITH_THREAD
da2a1049215d Patch 1413181, by Gabriel Becedillas. Tim Peters <tim.peters@gmail.com> parents: 35661 diff changeset	322 if (autoTLSkey && PyThread_get_key_value(autoTLSkey) == tstate)
da2a1049215d Patch 1413181, by Gabriel Becedillas. Tim Peters <tim.peters@gmail.com> parents: 35661 diff changeset	323 PyThread_delete_key_value(autoTLSkey);
da2a1049215d Patch 1413181, by Gabriel Becedillas. Tim Peters <tim.peters@gmail.com> parents: 35661 diff changeset	324 #endif /* WITH_THREAD */
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	325 }
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	326
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	327
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	328 #ifdef WITH_THREAD
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	329 void
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	330 PyThreadState_DeleteCurrent()
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	331 {
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	332 PyThreadState *tstate = _PyThreadState_Current;
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	333 if (tstate == NULL)
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	334 Py_FatalError(
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	335 "PyThreadState_DeleteCurrent: no current tstate");
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	336 _PyThreadState_Current = NULL;
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	337 tstate_delete_common(tstate);
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	338 if (autoTLSkey && PyThread_get_key_value(autoTLSkey) == tstate)
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	339 PyThread_delete_key_value(autoTLSkey);
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	340 PyEval_ReleaseLock();
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	341 }
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	342 #endif /* WITH_THREAD */
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	343
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	344
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	345 PyThreadState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	346 PyThreadState_Get(void)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	347 {
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	348 if (_PyThreadState_Current == NULL)
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	349 Py_FatalError("PyThreadState_Get: no current thread");
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	350
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	351 return _PyThreadState_Current;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	352 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	353
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	354
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	355 PyThreadState *
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	356 PyThreadState_Swap(PyThreadState *newts)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	357 {
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	358 PyThreadState *oldts = _PyThreadState_Current;
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	359
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	360 _PyThreadState_Current = newts;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	361 /* It should not be possible for more than one thread state
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	362 to be used for a thread. Check this the best we can in debug
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	363 builds.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	364 */
28914 33475661823d Patch #729300: Disable error message if Python is not built for threads. Martin v. Löwis <martin@v.loewis.de> parents: 28694 diff changeset	365 #if defined(Py_DEBUG) && defined(WITH_THREAD)
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	366 if (newts) {
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	367 /* This can be called from PyEval_RestoreThread(). Similar
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	368 to it, we need to ensure errno doesn't change.
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	369 */
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	370 int err = errno;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	371 PyThreadState *check = PyGILState_GetThisThreadState();
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	372 if (check && check->interp == newts->interp && check != newts)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	373 Py_FatalError("Invalid thread state for this thread");
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	374 errno = err;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	375 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	376 #endif
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	377 return oldts;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	378 }
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	379
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	380 /* An extension mechanism to store arbitrary additional per-thread state.
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	381 PyThreadState_GetDict() returns a dictionary that can be used to hold such
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	382 state; the caller should pick a unique key and store its state there. If
28616 4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	383 PyThreadState_GetDict() returns NULL, an exception has not been raised
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	384 and the caller should assume no per-thread state is available. */
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	385
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	386 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	387 PyThreadState_GetDict(void)
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	388 {
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	389 if (_PyThreadState_Current == NULL)
28616 4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	390 return NULL;
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	391
28616 4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	392 if (_PyThreadState_Current->dict == NULL) {
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	393 PyObject *d;
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	394 _PyThreadState_Current->dict = d = PyDict_New();
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	395 if (d == NULL)
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	396 PyErr_Clear();
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	397 }
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	398 return _PyThreadState_Current->dict;
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	399 }
18733 b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	400
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	401
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	402 /* Asynchronously raise an exception in a thread.
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	403 Requested by Just van Rossum and Alex Martelli.
34568 ff3ca656c281 Backport 2.39: Guido van Rossum <guido@python.org> parents: 33940 diff changeset	404 To prevent naive misuse, you must write your own extension
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	405 to call this, or use ctypes. Must be called with the GIL held.
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	406 Returns the number of tstates modified (normally 1, but 0 if `id` didn't
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	407 match any known thread id). Can be called with exc=NULL to clear an
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	408 existing async exception. This raises no exceptions. */
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	409
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	410 int
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	411 PyThreadState_SetAsyncExc(long id, PyObject *exc) {
31797 846b3ee7e106 Changed random calls to PyThreadState_Get() to use the macro Nicholas Bastin <nick.bastin@gmail.com> parents: 29842 diff changeset	412 PyThreadState *tstate = PyThreadState_GET();
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	413 PyInterpreterState *interp = tstate->interp;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	414 PyThreadState *p;
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	415
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	416 /* Although the GIL is held, a few C API functions can be called
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	417 * without the GIL held, and in particular some that create and
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	418 * destroy thread and interpreter states. Those can mutate the
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	419 * list of thread states we're traversing, so to prevent that we lock
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	420 * head_mutex for the duration.
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	421 */
34568 ff3ca656c281 Backport 2.39: Guido van Rossum <guido@python.org> parents: 33940 diff changeset	422 HEAD_LOCK();
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	423 for (p = interp->tstate_head; p != NULL; p = p->next) {
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	424 if (p->thread_id == id) {
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	425 /* Tricky: we need to decref the current value
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	426 * (if any) in p->async_exc, but that can in turn
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	427 * allow arbitrary Python code to run, including
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	428 * perhaps calls to this function. To prevent
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	429 * deadlock, we need to release head_mutex before
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	430 * the decref.
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	431 */
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	432 PyObject *old_exc = p->async_exc;
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	433 Py_XINCREF(exc);
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	434 p->async_exc = exc;
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	435 HEAD_UNLOCK();
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	436 Py_XDECREF(old_exc);
57175 fdd6484f1210 Merge in the new GIL. Antoine Pitrou <solipsis@pitrou.net> parents: 49736 diff changeset	437 _PyEval_SignalAsyncExc();
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	438 return 1;
3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	439 }
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	440 }
34568 ff3ca656c281 Backport 2.39: Guido van Rossum <guido@python.org> parents: 33940 diff changeset	441 HEAD_UNLOCK();
39610 3674f20ac781 Merge current trunk into p3yk. This includes the PyNumber_Index API change, Thomas Wouters <thomas@python.org> parents: 39442 diff changeset	442 return 0;
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	443 }
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	444
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	445
18733 b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	446 /* Routines for advanced debuggers, requested by David Beazley.
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	447 Don't use unless you know what you are doing! */
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	448
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	449 PyInterpreterState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	450 PyInterpreterState_Head(void)
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	451 {
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	452 return interp_head;
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	453 }
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	454
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	455 PyInterpreterState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	456 PyInterpreterState_Next(PyInterpreterState *interp) {
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	457 return interp->next;
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	458 }
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	459
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	460 PyThreadState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	461 PyInterpreterState_ThreadHead(PyInterpreterState *interp) {
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	462 return interp->tstate_head;
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	463 }
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	464
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	465 PyThreadState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	466 PyThreadState_Next(PyThreadState *tstate) {
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	467 return tstate->next;
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	468 }
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	469
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	470 /* The implementation of sys._current_frames(). This is intended to be
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	471 called with the GIL held, as it will be when called via
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	472 sys._current_frames(). It's possible it would work fine even without
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	473 the GIL held, but haven't thought enough about that.
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	474 */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	475 PyObject *
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	476 _PyThread_CurrentFrames(void)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	477 {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	478 PyObject *result;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	479 PyInterpreterState *i;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	480
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	481 result = PyDict_New();
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	482 if (result == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	483 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	484
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	485 /* for i in all interpreters:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	486 * for t in all of i's thread states:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	487 * if t's frame isn't NULL, map t's id to its frame
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	488 * Because these lists can mutute even when the GIL is held, we
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	489 * need to grab head_mutex for the duration.
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	490 */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	491 HEAD_LOCK();
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	492 for (i = interp_head; i != NULL; i = i->next) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	493 PyThreadState *t;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	494 for (t = i->tstate_head; t != NULL; t = t->next) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	495 PyObject *id;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	496 int stat;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	497 struct _frame *frame = t->frame;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	498 if (frame == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	499 continue;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 42013 diff changeset	500 id = PyLong_FromLong(t->thread_id);
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	501 if (id == NULL)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	502 goto Fail;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	503 stat = PyDict_SetItem(result, id, (PyObject *)frame);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	504 Py_DECREF(id);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	505 if (stat < 0)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	506 goto Fail;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	507 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	508 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	509 HEAD_UNLOCK();
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	510 return result;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	511
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	512 Fail:
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	513 HEAD_UNLOCK();
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	514 Py_DECREF(result);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	515 return NULL;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	516 }
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	517
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	518 /* Python "auto thread state" API. */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	519 #ifdef WITH_THREAD
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	520
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	521 /* Keep this as a static, as it is not reliable! It can only
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	522 ever be compared to the state for the current thread.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	523 * If not equal, then it doesn't matter that the actual
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	524 value may change immediately after comparison, as it can't
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	525 possibly change to the current thread's state.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	526 * If equal, then the current thread holds the lock, so the value can't
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	527 change until we yield the lock.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	528 */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	529 static int
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	530 PyThreadState_IsCurrent(PyThreadState *tstate)
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	531 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	532 /* Must be the tstate for this thread */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	533 assert(PyGILState_GetThisThreadState()==tstate);
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	534 /* On Windows at least, simple reads and writes to 32 bit values
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	535 are atomic.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	536 */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	537 return tstate == _PyThreadState_Current;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	538 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	539
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	540 /* Internal initialization/finalization functions called by
090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	541 Py_Initialize/Py_Finalize
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	542 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	543 void
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	544 _PyGILState_Init(PyInterpreterState i, PyThreadState t)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	545 {
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	546 assert(i && t); /* must init with valid states */
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	547 autoTLSkey = PyThread_create_key();
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	548 autoInterpreterState = i;
33706 4981ba54f43d _PyGILState_Init(), PyGILState_Ensure(): Since PyThread_set_key_value() Tim Peters <tim.peters@gmail.com> parents: 33699 diff changeset	549 assert(PyThread_get_key_value(autoTLSkey) == NULL);
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	550 assert(t->gilstate_counter == 0);
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	551
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	552 _PyGILState_NoteThreadState(t);
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	553 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	554
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	555 void
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	556 _PyGILState_Fini(void)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	557 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	558 PyThread_delete_key(autoTLSkey);
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	559 autoTLSkey = 0;
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	560 autoInterpreterState = NULL;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	561 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	562
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	563 /* When a thread state is created for a thread by some mechanism other than
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	564 PyGILState_Ensure, it's important that the GILState machinery knows about
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	565 it so it doesn't try to create another thread state for the thread (this is
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	566 a better fix for SF bug #1010677 than the first one attempted).
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	567 */
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 39610 diff changeset	568 static void
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	569 _PyGILState_NoteThreadState(PyThreadState* tstate)
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	570 {
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	571 /* If autoTLSkey is 0, this must be the very first threadstate created
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	572 in Py_Initialize(). Don't do anything for now (we'll be back here
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	573 when _PyGILState_Init is called). */
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	574 if (!autoTLSkey)
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	575 return;
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	576
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	577 /* Stick the thread state for this thread in thread local storage.
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	578
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	579 The only situation where you can legitimately have more than one
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	580 thread state for an OS level thread is when there are multiple
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	581 interpreters, when:
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	582
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	583 a) You shouldn't really be using the PyGILState_ APIs anyway,
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	584 and:
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	585
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	586 b) The slightly odd way PyThread_set_key_value works (see
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	587 comments by its implementation) means that the first thread
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	588 state created for that given OS level thread will "win",
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	589 which seems reasonable behaviour.
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	590 */
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	591 if (PyThread_set_key_value(autoTLSkey, (void *)tstate) < 0)
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	592 Py_FatalError("Couldn't create autoTLSkey mapping");
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	593
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	594 /* PyGILState_Release must not try to delete this thread state. */
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	595 tstate->gilstate_counter = 1;
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	596 }
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	597
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	598 /* The public functions */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	599 PyThreadState *
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	600 PyGILState_GetThisThreadState(void)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	601 {
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	602 if (autoInterpreterState == NULL \|\| autoTLSkey == 0)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	603 return NULL;
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	604 return (PyThreadState *)PyThread_get_key_value(autoTLSkey);
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	605 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	606
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	607 PyGILState_STATE
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	608 PyGILState_Ensure(void)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	609 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	610 int current;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	611 PyThreadState *tcur;
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	612 /* Note that we do not auto-init Python here - apart from
090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	613 potential races with 2 threads auto-initializing, pep-311
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	614 spells out other issues. Embedders are expected to have
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	615 called Py_Initialize() and usually PyEval_InitThreads().
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	616 */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	617 assert(autoInterpreterState); /* Py_Initialize() hasn't been called! */
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	618 tcur = (PyThreadState *)PyThread_get_key_value(autoTLSkey);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	619 if (tcur == NULL) {
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	620 /* Create a new thread state for this thread */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	621 tcur = PyThreadState_New(autoInterpreterState);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	622 if (tcur == NULL)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	623 Py_FatalError("Couldn't create thread-state for new thread");
35117 7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	624 /* This is our thread state! We'll need to delete it in the
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	625 matching call to PyGILState_Release(). */
7ea2be2c0e1d Fix bug: Michael W. Hudson <mwh@python.net> parents: 35095 diff changeset	626 tcur->gilstate_counter = 0;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	627 current = 0; /* new thread state is never current */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	628 }
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	629 else
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	630 current = PyThreadState_IsCurrent(tcur);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	631 if (current == 0)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	632 PyEval_RestoreThread(tcur);
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	633 /* Update our counter in the thread-state - no need for locks:
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	634 - tcur will remain valid as we hold the GIL.
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	635 - the counter is safe as we are the only thread "allowed"
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	636 to modify this value
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	637 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	638 ++tcur->gilstate_counter;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	639 return current ? PyGILState_LOCKED : PyGILState_UNLOCKED;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	640 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	641
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	642 void
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	643 PyGILState_Release(PyGILState_STATE oldstate)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	644 {
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	645 PyThreadState tcur = (PyThreadState )PyThread_get_key_value(
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	646 autoTLSkey);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	647 if (tcur == NULL)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	648 Py_FatalError("auto-releasing thread-state, "
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	649 "but no thread-state for this thread");
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	650 /* We must hold the GIL and have our thread state current */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	651 /* XXX - remove the check - the assert should be fine,
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	652 but while this is very new (April 2003), the extra check
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	653 by release-only users can't hurt.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	654 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	655 if (! PyThreadState_IsCurrent(tcur))
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	656 Py_FatalError("This thread state must be current when releasing");
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	657 assert(PyThreadState_IsCurrent(tcur));
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	658 --tcur->gilstate_counter;
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	659 assert(tcur->gilstate_counter >= 0); /* illegal counter value */
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	660
33940 dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	661 /* If we're going to destroy this thread-state, we must
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	662 * clear it while the GIL is held, as destructors may run.
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	663 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	664 if (tcur->gilstate_counter == 0) {
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	665 /* can't have been locked when we created it */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	666 assert(oldstate == PyGILState_UNLOCKED);
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	667 PyThreadState_Clear(tcur);
33940 dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	668 /* Delete the thread-state. Note this releases the GIL too!
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	669 * It's vital that the GIL be held here, to avoid shutdown
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	670 * races; see bugs 225673 and 1061968 (that nasty bug has a
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	671 * habit of coming back).
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	672 */
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	673 PyThreadState_DeleteCurrent();
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	674 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	675 /* Release the lock if necessary */
33940 dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	676 else if (oldstate == PyGILState_UNLOCKED)
34928 9857daa22807 Backport my recent fix (rev. 2.40 of Python/pystate.c): Michael W. Hudson <mwh@python.net> parents: 34568 diff changeset	677 PyEval_SaveThread();
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	678 }
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	679
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	680 #ifdef __cplusplus
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	681 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	682 #endif
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	683
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	684 #endif /* WITH_THREAD */
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	685
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 36683 diff changeset	686

Mercurial > cpython-lru_cache-weakref

annotate Python/pystate.c @ 58664:993f703a61ba