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

annotate Python/pystate.c @ 40406:39ad99dd67e4 2.4

Backport of r52862.

author	Armin Rigo <arigo@tunes.org>
date	Wed, 29 Nov 2006 22:07:38 +0000
parents	ab13576374b1
children

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
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	26 #define ZAP(x) { \
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	27 PyObject tmp = (PyObject )(x); \
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	28 (x) = NULL; \
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	29 Py_XDECREF(tmp); \
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	30 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	31
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	32
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	33 #ifdef WITH_THREAD
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	34 #include "pythread.h"
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	35 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	36 #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	37 #define HEAD_LOCK() PyThread_acquire_lock(head_mutex, WAIT_LOCK)
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	38 #define HEAD_UNLOCK() PyThread_release_lock(head_mutex)
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	39
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	40 /* The single PyInterpreterState used by this process'
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	41 GILState implementation
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	42 */
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	43 static PyInterpreterState *autoInterpreterState = NULL;
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	44 static int autoTLSkey = 0;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	45 #else
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	46 #define HEAD_INIT() /* Nothing */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	47 #define HEAD_LOCK() /* Nothing */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	48 #define HEAD_UNLOCK() /* Nothing */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	49 #endif
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	50
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	51 static PyInterpreterState *interp_head = NULL;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	52
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	53 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	54 PyThreadFrameGetter _PyThreadState_GetFrame = NULL;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	55
35660 6d04cb2cdd4a Fix bug: Michael W. Hudson <mwh@python.net> parents: 35631 diff changeset	56 #ifdef WITH_THREAD
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	57 static void _PyGILState_NoteThreadState(PyThreadState* tstate);
35660 6d04cb2cdd4a Fix bug: Michael W. Hudson <mwh@python.net> parents: 35631 diff changeset	58 #endif
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	59
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	60
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	61 PyInterpreterState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	62 PyInterpreterState_New(void)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	63 {
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	64 PyInterpreterState interp = (PyInterpreterState )
517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	65 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	66
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	67 if (interp != NULL) {
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	68 HEAD_INIT();
40012 ab13576374b1 [Backport r50743 \| neal.norwitz] Andrew M. Kuchling <amk@amk.ca> parents: 36687 diff changeset	69 #ifdef WITH_THREAD
ab13576374b1 [Backport r50743 \| neal.norwitz] Andrew M. Kuchling <amk@amk.ca> parents: 36687 diff changeset	70 if (head_mutex == NULL)
ab13576374b1 [Backport r50743 \| neal.norwitz] Andrew M. Kuchling <amk@amk.ca> parents: 36687 diff changeset	71 Py_FatalError("Can't initialize threads for interpreter");
ab13576374b1 [Backport r50743 \| neal.norwitz] Andrew M. Kuchling <amk@amk.ca> parents: 36687 diff changeset	72 #endif
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	73 interp->modules = NULL;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	74 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	75 interp->builtins = NULL;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	76 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	77 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	78 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	79 interp->codec_error_registry = NULL;
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();
28325 850626d47574 Fixed SF bug #663074. The codec system was using global static Gustavo Niemeyer <gustavo@niemeyer.net> parents: 27978 diff changeset	109 ZAP(interp->codec_search_path);
850626d47574 Fixed SF bug #663074. The codec system was using global static Gustavo Niemeyer <gustavo@niemeyer.net> parents: 27978 diff changeset	110 ZAP(interp->codec_search_cache);
850626d47574 Fixed SF bug #663074. The codec system was using global static Gustavo Niemeyer <gustavo@niemeyer.net> parents: 27978 diff changeset	111 ZAP(interp->codec_error_registry);
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	112 ZAP(interp->modules);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	113 ZAP(interp->sysdict);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	114 ZAP(interp->builtins);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	115 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	116
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 static void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	119 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	120 {
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	121 PyThreadState *p;
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	122 /* 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	123 when the threads are all really dead (XXX famous last words). */
3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	124 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	125 PyThreadState_Delete(p);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	126 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	127 }
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 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	131 PyInterpreterState_Delete(PyInterpreterState *interp)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	132 {
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	133 PyInterpreterState **p;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	134 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	135 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	136 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	137 if (*p == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	138 Py_FatalError(
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	139 "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	140 if (*p == interp)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	141 break;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	142 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	143 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	144 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	145 *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	146 HEAD_UNLOCK();
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	147 free(interp);
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	148 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	149
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	150
26109 e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	151 /* Default implementation for _PyThreadState_GetFrame */
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	152 static struct _frame *
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	153 threadstate_getframe(PyThreadState *self)
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	154 {
e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	155 return self->frame;
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
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	158 PyThreadState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	159 PyThreadState_New(PyInterpreterState *interp)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	160 {
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	161 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	162
26109 e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	163 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	164 _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	165
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	166 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	167 tstate->interp = interp;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	168
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	169 tstate->frame = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	170 tstate->recursion_depth = 0;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	171 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	172 tstate->use_tracing = 0;
26109 e61b946474df Assorted patches from Armin Rigo: Michael W. Hudson <mwh@python.net> parents: 25111 diff changeset	173 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	174 tstate->gilstate_counter = 0;
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	175 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	176 #ifdef WITH_THREAD
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	177 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	178 #else
014cc362aa91 Initialize thread_id to 0 in unthreaded build. Fixes #770247. Martin v. Löwis <martin@v.loewis.de> parents: 29643 diff changeset	179 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	180 #endif
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	181
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	182 tstate->dict = NULL;
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	183
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	184 tstate->curexc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	185 tstate->curexc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	186 tstate->curexc_traceback = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	187
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	188 tstate->exc_type = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	189 tstate->exc_value = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	190 tstate->exc_traceback = NULL;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	191
18326 e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	192 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	193 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	194 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	195 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	196
35660 6d04cb2cdd4a Fix bug: Michael W. Hudson <mwh@python.net> parents: 35631 diff changeset	197 #ifdef WITH_THREAD
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	198 _PyGILState_NoteThreadState(tstate);
35660 6d04cb2cdd4a Fix bug: Michael W. Hudson <mwh@python.net> parents: 35631 diff changeset	199 #endif
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	200
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	201 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	202 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	203 interp->tstate_head = tstate;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	204 HEAD_UNLOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	205 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	206
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	207 return tstate;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	208 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	209
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	210
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	211 void
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	212 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	213 {
6549 a8e3b2e9f5d2 The warning about thread still having a frame now only happens in Guido van Rossum <guido@python.org> parents: 6124 diff changeset	214 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	215 fprintf(stderr,
6124 cc2c84769636 Added missing newline to warning msg Guido van Rossum <guido@python.org> parents: 5926 diff changeset	216 "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	217
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	218 ZAP(tstate->frame);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	219
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	220 ZAP(tstate->dict);
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	221 ZAP(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	222
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	223 ZAP(tstate->curexc_type);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	224 ZAP(tstate->curexc_value);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	225 ZAP(tstate->curexc_traceback);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	226
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	227 ZAP(tstate->exc_type);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	228 ZAP(tstate->exc_value);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	229 ZAP(tstate->exc_traceback);
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	230
18326 e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	231 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	232 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	233 ZAP(tstate->c_profileobj);
e427afb5637f Revise the interface to the profiling and tracing support for the Fred Drake <fdrake@acm.org> parents: 16139 diff changeset	234 ZAP(tstate->c_traceobj);
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	235 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	236
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	237
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	238 /* 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	239 static void
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	240 tstate_delete_common(PyThreadState *tstate)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	241 {
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	242 PyInterpreterState *interp;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	243 PyThreadState **p;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	244 if (tstate == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	245 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	246 interp = tstate->interp;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	247 if (interp == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	248 Py_FatalError("PyThreadState_Delete: NULL interp");
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	249 HEAD_LOCK();
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	250 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	251 if (*p == NULL)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	252 Py_FatalError(
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	253 "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	254 if (*p == tstate)
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	255 break;
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	256 }
8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	257 *p = tstate->next;
11011 3b3c7b8ade7f CRITICAL PATCH! Guido van Rossum <guido@python.org> parents: 9667 diff changeset	258 HEAD_UNLOCK();
33713 517e4ec0df89 PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly. Tim Peters <tim.peters@gmail.com> parents: 33711 diff changeset	259 free(tstate);
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	260 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	261
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	262
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	263 void
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	264 PyThreadState_Delete(PyThreadState *tstate)
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	265 {
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	266 if (tstate == _PyThreadState_Current)
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	267 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	268 tstate_delete_common(tstate);
36687 7d0f12340c9e Merge rev 42607 from the trunk. Tim Peters <tim.peters@gmail.com> parents: 35660 diff changeset	269 #ifdef WITH_THREAD
7d0f12340c9e Merge rev 42607 from the trunk. Tim Peters <tim.peters@gmail.com> parents: 35660 diff changeset	270 if (autoTLSkey && PyThread_get_key_value(autoTLSkey) == tstate)
7d0f12340c9e Merge rev 42607 from the trunk. Tim Peters <tim.peters@gmail.com> parents: 35660 diff changeset	271 PyThread_delete_key_value(autoTLSkey);
7d0f12340c9e Merge rev 42607 from the trunk. Tim Peters <tim.peters@gmail.com> parents: 35660 diff changeset	272 #endif /* WITH_THREAD */
16139 d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	273 }
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	274
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	275
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	276 #ifdef WITH_THREAD
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	277 void
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	278 PyThreadState_DeleteCurrent()
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	279 {
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	280 PyThreadState *tstate = _PyThreadState_Current;
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	281 if (tstate == NULL)
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	282 Py_FatalError(
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	283 "PyThreadState_DeleteCurrent: no current tstate");
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	284 _PyThreadState_Current = NULL;
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	285 tstate_delete_common(tstate);
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	286 if (autoTLSkey && PyThread_get_key_value(autoTLSkey) == tstate)
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	287 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	288 PyEval_ReleaseLock();
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	289 }
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	290 #endif /* WITH_THREAD */
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	291
d96ce9708c00 Add a new API, PyThreadState_DeleteCurrent() that combines Guido van Rossum <guido@python.org> parents: 14378 diff changeset	292
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	293 PyThreadState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	294 PyThreadState_Get(void)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	295 {
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	296 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	297 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	298
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	299 return _PyThreadState_Current;
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	300 }
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	301
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	302
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	303 PyThreadState *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	304 PyThreadState_Swap(PyThreadState *new)
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	305 {
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	306 PyThreadState *old = _PyThreadState_Current;
5926 8d2194e22e67 The last of the mass checkins for separate (sub)interpreters. Guido van Rossum <guido@python.org> parents: 5849 diff changeset	307
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	308 _PyThreadState_Current = new;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	309 /* 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	310 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	311 builds.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	312 */
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	313 #if defined(Py_DEBUG) && defined(WITH_THREAD)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	314 if (new) {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	315 PyThreadState *check = PyGILState_GetThisThreadState();
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	316 if (check && check != new)
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	317 Py_FatalError("Invalid 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	318 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	319 #endif
5405 b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	320 return old;
b7871ca930ad Massive changes for separate thread state management. Guido van Rossum <guido@python.org> parents: diff changeset	321 }
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	322
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	323 /* 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	324 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	325 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	326 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	327 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	328
4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	329 PyObject *
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	330 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	331 {
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	332 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	333 return NULL;
7970 4ceee1ef99b0 /* An extension mechanism to store arbitrary additional per-thread state. Guido van Rossum <guido@python.org> parents: 6549 diff changeset	334
28616 4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	335 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	336 PyObject *d;
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	337 _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	338 if (d == NULL)
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	339 PyErr_Clear();
4f0b7acffc7d - pythunrun.c, Py_Finalize(): move the call to _Py_PrintReferences() Guido van Rossum <guido@python.org> parents: 28325 diff changeset	340 }
9667 914f83e7fa0a Make current_tstate a global, _PyThreadState_Current. This is to Guido van Rossum <guido@python.org> parents: 7970 diff changeset	341 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	342 }
18733 b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	343
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	344
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	345 /* Asynchronously raise an exception in a thread.
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	346 Requested by Just van Rossum and Alex Martelli.
34568 ff3ca656c281 Backport 2.39: Guido van Rossum <guido@python.org> parents: 33940 diff changeset	347 To prevent naive misuse, you must write your own extension
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	348 to call this. Must be called with the GIL held.
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	349 Returns the number of tstates modified; if it returns a number
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	350 greater than one, you're in trouble, and you should call it again
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	351 with exc=NULL to revert the effect. This raises no exceptions. */
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	352
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	353 int
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	354 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	355 PyThreadState *tstate = PyThreadState_GET();
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	356 PyInterpreterState *interp = tstate->interp;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	357 PyThreadState *p;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	358 int count = 0;
34568 ff3ca656c281 Backport 2.39: Guido van Rossum <guido@python.org> parents: 33940 diff changeset	359 HEAD_LOCK();
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	360 for (p = interp->tstate_head; p != NULL; p = p->next) {
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	361 if (p->thread_id != id)
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	362 continue;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	363 ZAP(p->async_exc);
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	364 Py_XINCREF(exc);
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	365 p->async_exc = exc;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	366 count += 1;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	367 }
34568 ff3ca656c281 Backport 2.39: Guido van Rossum <guido@python.org> parents: 33940 diff changeset	368 HEAD_UNLOCK();
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	369 return count;
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	370 }
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	371
fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	372
18733 b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	373 /* 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	374 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	375
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	376 PyInterpreterState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	377 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	378 {
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	379 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	380 }
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	381
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	382 PyInterpreterState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	383 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	384 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	385 }
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	386
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	387 PyThreadState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	388 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	389 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	390 }
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	391
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	392 PyThreadState *
b0329649b8cf Add a low-level API to access interpreters, for David Beazley. Guido van Rossum <guido@python.org> parents: 18689 diff changeset	393 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	394 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	395 }
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	396
29643 fa97293533a9 Add PyThreadState_SetAsyncExc(long, PyObject ). Guido van Rossum <guido@python.org>* parents: 28914 diff changeset	397
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	398 /* 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	399 #ifdef WITH_THREAD
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	400
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	401 /* 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	402 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	403 * 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	404 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	405 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	406 * 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	407 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	408 */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	409 static int
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	410 PyThreadState_IsCurrent(PyThreadState *tstate)
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	411 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	412 /* 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	413 assert(PyGILState_GetThisThreadState()==tstate);
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	414 /* 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	415 are atomic.
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	416 */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	417 return tstate == _PyThreadState_Current;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	418 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	419
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	420 /* Internal initialization/finalization functions called by
090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	421 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	422 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	423 void
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	424 _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	425 {
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	426 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	427 autoTLSkey = PyThread_create_key();
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	428 autoInterpreterState = i;
33706 4981ba54f43d _PyGILState_Init(), PyGILState_Ensure(): Since PyThread_set_key_value() Tim Peters <tim.peters@gmail.com> parents: 33699 diff changeset	429 assert(PyThread_get_key_value(autoTLSkey) == NULL);
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	430 assert(t->gilstate_counter == 0);
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	431
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	432 _PyGILState_NoteThreadState(t);
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	433 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	434
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	435 void
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	436 _PyGILState_Fini(void)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	437 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	438 PyThread_delete_key(autoTLSkey);
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	439 autoTLSkey = 0;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	440 autoInterpreterState = NULL;;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	441 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	442
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	443 /* When a thread state is created for a thread by some mechanism other than
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	444 PyGILState_Ensure, it's important that the GILState machinery knows about
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	445 it so it doesn't try to create another thread state for the thread (this is
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	446 a better fix for SF bug #1010677 than the first one attempted).
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	447 */
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	448 void
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	449 _PyGILState_NoteThreadState(PyThreadState* tstate)
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	450 {
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	451 /* If autoTLSkey is 0, this must be the very first threadstate created
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	452 in Py_Initialize(). Don't do anything for now (we'll be back here
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	453 when _PyGILState_Init is called). */
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	454 if (!autoTLSkey)
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	455 return;
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	456
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	457 /* Stick the thread state for this thread in thread local storage.
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	458
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	459 The only situation where you can legitimately have more than one
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	460 thread state for an OS level thread is when there are multiple
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	461 interpreters, when:
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	462
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	463 a) You shouldn't really be using the PyGILState_ APIs anyway,
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	464 and:
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	465
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	466 b) The slightly odd way PyThread_set_key_value works (see
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	467 comments by its implementation) means that the first thread
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	468 state created for that given OS level thread will "win",
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	469 which seems reasonable behaviour.
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	470 */
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	471 if (PyThread_set_key_value(autoTLSkey, (void *)tstate) < 0)
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	472 Py_FatalError("Couldn't create autoTLSkey mapping");
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	473
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	474 /* PyGILState_Release must not try to delete this thread state. */
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	475 tstate->gilstate_counter = 1;
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	476 }
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	477
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	478 /* The public functions */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	479 PyThreadState *
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	480 PyGILState_GetThisThreadState(void)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	481 {
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	482 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	483 return NULL;
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	484 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	485 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	486
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	487 PyGILState_STATE
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	488 PyGILState_Ensure(void)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	489 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	490 int current;
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	491 PyThreadState *tcur;
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	492 /* 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	493 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	494 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	495 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	496 */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	497 assert(autoInterpreterState); /* Py_Initialize() hasn't been called! */
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	498 tcur = PyThread_get_key_value(autoTLSkey);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	499 if (tcur == NULL) {
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	500 /* 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	501 tcur = PyThreadState_New(autoInterpreterState);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	502 if (tcur == NULL)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	503 Py_FatalError("Couldn't create thread-state for new thread");
35631 c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	504 /* This is our thread state! We'll need to delete it in the
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	505 matching call to PyGILState_Release(). */
c260d3b7d582 Backport bugfix: Michael W. Hudson <mwh@python.net> parents: 34928 diff changeset	506 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	507 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	508 }
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	509 else
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	510 current = PyThreadState_IsCurrent(tcur);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	511 if (current == 0)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	512 PyEval_RestoreThread(tcur);
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	513 /* 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	514 - tcur will remain valid as we hold the GIL.
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	515 - 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	516 to modify this value
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	517 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	518 ++tcur->gilstate_counter;
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	519 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	520 }
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	521
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	522 void
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	523 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	524 {
a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	525 PyThreadState *tcur = PyThread_get_key_value(autoTLSkey);
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	526 if (tcur == NULL)
28694 a4154dd5939a New PyGILState_ API - implements pep 311, from patch 684256. Mark Hammond <mhammond@skippinet.com.au> parents: 28616 diff changeset	527 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	528 "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	529 /* 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	530 /* XXX - remove the check - the assert should be fine,
33698 090ffcb83f0a Trim trailing whitespace. Tim Peters <tim.peters@gmail.com> parents: 32301 diff changeset	531 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	532 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	533 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	534 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	535 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	536 assert(PyThreadState_IsCurrent(tcur));
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	537 --tcur->gilstate_counter;
0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	538 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	539
33940 dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	540 /* 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	541 * 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	542 */
33699 0c26db381673 Style guide & consistency changes. No semantic changes. Tim Peters <tim.peters@gmail.com> parents: 33698 diff changeset	543 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	544 /* 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	545 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	546 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	547 /* 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	548 * 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	549 * 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	550 * 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	551 */
dfd07b7be407 SF bug 1061968: threads: segfault or Py_FatalError at exit Tim Peters <tim.peters@gmail.com> parents: 33714 diff changeset	552 PyThreadState_DeleteCurrent();
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 /* 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	555 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	556 PyEval_SaveThread();
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 #endif /* WITH_THREAD */

Mercurial > cpython-lru_cache-weakref

annotate Python/pystate.c @ 40406:39ad99dd67e4 2.4