cpython-lru_cache-weakref: Python/thread

annotate Python/thread_sgi.h @ 43292:876b7ef4775d

Merged revisions 57778-58052 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r57820 | georg.brandl | 2007-08-31 08:59:27 +0200 (Fri, 31 Aug 2007) | 2 lines Document new shorthand notation for index entries. ........ r57827 | georg.brandl | 2007-08-31 10:47:51 +0200 (Fri, 31 Aug 2007) | 2 lines Fix subitem markup. ........ r57833 | martin.v.loewis | 2007-08-31 12:01:07 +0200 (Fri, 31 Aug 2007) | 1 line Mark registry components as 64-bit on Win64. ........ r57854 | bill.janssen | 2007-08-31 21:02:23 +0200 (Fri, 31 Aug 2007) | 1 line deprecate use of FakeSocket ........ r57855 | bill.janssen | 2007-08-31 21:02:46 +0200 (Fri, 31 Aug 2007) | 1 line remove mentions of socket.ssl in comments ........ r57856 | bill.janssen | 2007-08-31 21:03:31 +0200 (Fri, 31 Aug 2007) | 1 line remove use of non-existent SSLFakeSocket in apparently untested code ........ r57859 | martin.v.loewis | 2007-09-01 08:36:03 +0200 (Sat, 01 Sep 2007) | 3 lines Bug #1737210: Change Manufacturer of Windows installer to PSF. Will backport to 2.5. ........ r57865 | georg.brandl | 2007-09-01 09:51:24 +0200 (Sat, 01 Sep 2007) | 2 lines Fix RST link (backport from Py3k). ........ r57876 | georg.brandl | 2007-09-01 17:49:49 +0200 (Sat, 01 Sep 2007) | 2 lines Document sets' ">" and "<" operations (backport from py3k). ........ r57878 | skip.montanaro | 2007-09-01 19:40:03 +0200 (Sat, 01 Sep 2007) | 4 lines Added a note and examples to explain that re.split does not split on an empty pattern match. (issue 852532). ........ r57879 | walter.doerwald | 2007-09-01 20:18:09 +0200 (Sat, 01 Sep 2007) | 2 lines Fix wrong function names. ........ r57880 | walter.doerwald | 2007-09-01 20:34:05 +0200 (Sat, 01 Sep 2007) | 2 lines Fix typo. ........ r57889 | andrew.kuchling | 2007-09-01 22:31:59 +0200 (Sat, 01 Sep 2007) | 1 line Markup fix ........ r57892 | andrew.kuchling | 2007-09-01 22:43:36 +0200 (Sat, 01 Sep 2007) | 1 line Add various items ........ r57895 | andrew.kuchling | 2007-09-01 23:17:58 +0200 (Sat, 01 Sep 2007) | 1 line Wording change ........ r57896 | andrew.kuchling | 2007-09-01 23:18:31 +0200 (Sat, 01 Sep 2007) | 1 line Add more items ........ r57904 | ronald.oussoren | 2007-09-02 11:46:07 +0200 (Sun, 02 Sep 2007) | 3 lines Macosx: this patch ensures that the value of MACOSX_DEPLOYMENT_TARGET used by the Makefile is also used at configure-time. ........ r57925 | georg.brandl | 2007-09-03 09:16:46 +0200 (Mon, 03 Sep 2007) | 2 lines Fix #883466: don't allow Unicode as arguments to quopri and uu codecs. ........ r57936 | matthias.klose | 2007-09-04 01:33:04 +0200 (Tue, 04 Sep 2007) | 2 lines - Added support for linking the bsddb module against BerkeleyDB 4.6.x. ........ r57954 | mark.summerfield | 2007-09-04 10:16:15 +0200 (Tue, 04 Sep 2007) | 3 lines Added cross-references plus a note about dict & list shallow copying. ........ r57958 | martin.v.loewis | 2007-09-04 11:51:57 +0200 (Tue, 04 Sep 2007) | 3 lines Document that we rely on the OS to release the crypto context. Fixes #1626801. ........ r57960 | martin.v.loewis | 2007-09-04 15:13:14 +0200 (Tue, 04 Sep 2007) | 3 lines Patch #1388440: Add set_completion_display_matches_hook and get_completion_type to readline. ........ r57961 | martin.v.loewis | 2007-09-04 16:19:28 +0200 (Tue, 04 Sep 2007) | 3 lines Patch #1031213: Decode source line in SyntaxErrors back to its original source encoding. Will backport to 2.5. ........ r57972 | matthias.klose | 2007-09-04 20:17:36 +0200 (Tue, 04 Sep 2007) | 3 lines - Makefile.pre.in(buildbottest): Run an optional script pybuildbot.identify to include some information about the build environment. ........ r57973 | matthias.klose | 2007-09-04 21:05:38 +0200 (Tue, 04 Sep 2007) | 2 lines - Makefile.pre.in(buildbottest): Remove whitespace at eol. ........ r57975 | matthias.klose | 2007-09-04 22:46:02 +0200 (Tue, 04 Sep 2007) | 2 lines - Fix libffi configure for hppa*-*-linux* | parisc*-*-linux*. ........ r57980 | bill.janssen | 2007-09-05 02:46:27 +0200 (Wed, 05 Sep 2007) | 1 line SSL certificate distinguished names should be represented by tuples ........ r57985 | martin.v.loewis | 2007-09-05 08:39:17 +0200 (Wed, 05 Sep 2007) | 3 lines Patch #1105: Explain that one needs to build the solution to get dependencies right. ........ r57987 | armin.rigo | 2007-09-05 09:51:21 +0200 (Wed, 05 Sep 2007) | 4 lines PyDict_GetItem() returns a borrowed reference. There are probably a number of places that are open to attacks such as the following one, in bltinmodule.c:min_max(). ........ r57991 | martin.v.loewis | 2007-09-05 13:47:34 +0200 (Wed, 05 Sep 2007) | 3 lines Patch #786737: Allow building in a tree of symlinks pointing to a readonly source. ........ r57993 | georg.brandl | 2007-09-05 15:36:44 +0200 (Wed, 05 Sep 2007) | 2 lines Backport from Py3k: Bug #1684991: explain lookup semantics for __special__ methods (new-style classes only). ........ r58004 | armin.rigo | 2007-09-06 10:30:51 +0200 (Thu, 06 Sep 2007) | 4 lines Patch #1733973 by peaker: ptrace_enter_call() assumes no exception is currently set. This assumption is broken when throwing into a generator. ........ r58006 | armin.rigo | 2007-09-06 11:30:38 +0200 (Thu, 06 Sep 2007) | 4 lines PyDict_GetItem() returns a borrowed reference. This attack is against ceval.c:IMPORT_NAME, which calls an object (__builtin__.__import__) without holding a reference to it. ........ r58013 | georg.brandl | 2007-09-06 16:49:56 +0200 (Thu, 06 Sep 2007) | 2 lines Backport from 3k: #1116: fix reference to old filename. ........ r58021 | thomas.heller | 2007-09-06 22:26:20 +0200 (Thu, 06 Sep 2007) | 1 line Fix typo: c_float represents to C float type. ........ r58022 | skip.montanaro | 2007-09-07 00:29:06 +0200 (Fri, 07 Sep 2007) | 3 lines If this is correct for py3k branch and it's already in the release25-maint branch, seems like it ought to be on the trunk as well. ........ r58023 | gregory.p.smith | 2007-09-07 00:59:59 +0200 (Fri, 07 Sep 2007) | 4 lines Apply the fix from Issue1112 to make this test more robust and keep windows happy. ........ r58031 | brett.cannon | 2007-09-07 05:17:50 +0200 (Fri, 07 Sep 2007) | 4 lines Make uuid1 and uuid4 tests conditional on whether ctypes can be imported; implementation of either function depends on ctypes but uuid as a whole does not. ........ r58032 | brett.cannon | 2007-09-07 06:18:30 +0200 (Fri, 07 Sep 2007) | 6 lines Fix a crasher where Python code managed to infinitely recurse in C code without ever going back out to Python code in PyObject_Call(). Required introducing a static RuntimeError instance so that normalizing an exception there is no reliance on a recursive call that would put the exception system over the recursion check itself. ........ r58034 | thomas.heller | 2007-09-07 08:32:17 +0200 (Fri, 07 Sep 2007) | 1 line Add a 'c_longdouble' type to the ctypes module. ........ r58035 | thomas.heller | 2007-09-07 11:30:40 +0200 (Fri, 07 Sep 2007) | 1 line Remove unneeded #include. ........ r58036 | thomas.heller | 2007-09-07 11:33:24 +0200 (Fri, 07 Sep 2007) | 6 lines Backport from py3k branch: Add a workaround for a strange bug on win64, when _ctypes is compiled with the SDK compiler. This should fix the failing Lib\ctypes\test\test_as_parameter.py test. ........ r58037 | georg.brandl | 2007-09-07 16:14:40 +0200 (Fri, 07 Sep 2007) | 2 lines Fix a wrong indentation for sublists. ........ r58043 | georg.brandl | 2007-09-07 22:10:49 +0200 (Fri, 07 Sep 2007) | 2 lines #1095: ln -f doesn't work portably, fix in Makefile. ........ r58049 | skip.montanaro | 2007-09-08 02:34:17 +0200 (Sat, 08 Sep 2007) | 1 line be explicit about the actual location of the missing file ........

author	Thomas Wouters <thomas@python.org>
date	Sat, 08 Sep 2007 17:39:28 +0000
parents	e20fc1b80205
children	e38335d4df91 df5719c298db

rev	line source
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	1
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	2 #include <stdlib.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	3 #include <stdio.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	4 #include <signal.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	5 #include <sys/types.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	6 #include <sys/wait.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	7 #include <sys/prctl.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	8 #include <ulocks.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	9 #include <errno.h>
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	10
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	11 #define HDR_SIZE 2680 /* sizeof(ushdr_t) */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	12 #define MAXPROC 100 /* max # of threads that can be started */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	13
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	14 static usptr_t *shared_arena;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	15 static ulock_t count_lock; /* protection for some variables */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	16 static ulock_t wait_lock; /* lock used to wait for other threads */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	17 static int waiting_for_threads; /* protected by count_lock */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	18 static int nthreads; /* protected by count_lock */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	19 static int exit_status;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	20 #ifndef NO_EXIT_PROG
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	21 static int do_exit; /* indicates that the program is to exit */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	22 #endif
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	23 static int exiting; /* we're already exiting (for maybe_exit) */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	24 static pid_t my_pid; /* PID of main thread */
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	25 static struct pidlist {
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	26 pid_t parent;
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	27 pid_t child;
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	28 } pidlist[MAXPROC]; /* PIDs of other threads; protected by count_lock */
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	29 static int maxpidindex; /* # of PIDs in pidlist */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	30
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	31 #ifndef NO_EXIT_PROG
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	32 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	33 * This routine is called as a signal handler when another thread
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	34 * exits. When that happens, we must see whether we have to exit as
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	35 * well (because of an PyThread_exit_prog()) or whether we should continue on.
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	36 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	37 static void exit_sig(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	38 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	39 d2printf(("exit_sig called\n"));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	40 if (exiting && getpid() == my_pid) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	41 d2printf(("already exiting\n"));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	42 return;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	43 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	44 if (do_exit) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	45 d2printf(("exiting in exit_sig\n"));
4839 4567e158d20c Rename DEBUG macro to Py_DEBUG Guido van Rossum <guido@python.org> parents: 4503 diff changeset	46 #ifdef Py_DEBUG
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	47 if ((thread_debug & 8) == 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	48 thread_debug &= ~1; /* don't produce debug messages */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	49 #endif
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	50 PyThread_exit_thread();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	51 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	52 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	53
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	54 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	55 * This routine is called when a process calls exit(). If that wasn't
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	56 * done from the library, we do as if an PyThread_exit_prog() was intended.
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	57 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	58 static void maybe_exit(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	59 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	60 dprintf(("maybe_exit called\n"));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	61 if (exiting) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	62 dprintf(("already exiting\n"));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	63 return;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	64 }
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	65 PyThread_exit_prog(0);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	66 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	67 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	68
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	69 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	70 * Initialization.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	71 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	72 static void PyThread__init_thread(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	73 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	74 #ifndef NO_EXIT_PROG
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	75 struct sigaction s;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	76 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	77 #ifdef USE_DL
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	78 long addr, size;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	79 #endif /* USE_DL */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	80
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	81
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	82 #ifdef USE_DL
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	83 if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	84 perror("usconfig - CONF_INITSIZE (check)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	85 if (usconfig(CONF_INITSIZE, size) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	86 perror("usconfig - CONF_INITSIZE (reset)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	87 addr = (long) dl_getrange(size + HDR_SIZE);
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	88 dprintf(("trying to use addr %p-%p for shared arena\n", addr, addr+size));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	89 errno = 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	90 if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	91 perror("usconfig - CONF_ATTACHADDR (set)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	92 #endif /* USE_DL */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	93 if (usconfig(CONF_INITUSERS, 16) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	94 perror("usconfig - CONF_INITUSERS");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	95 my_pid = getpid(); /* so that we know which is the main thread */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	96 #ifndef NO_EXIT_PROG
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	97 atexit(maybe_exit);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	98 s.sa_handler = exit_sig;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	99 sigemptyset(&s.sa_mask);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	100 /sigaddset(&s.sa_mask, SIGUSR1);/
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	101 s.sa_flags = 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	102 sigaction(SIGUSR1, &s, 0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	103 if (prctl(PR_SETEXITSIG, SIGUSR1) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	104 perror("prctl - PR_SETEXITSIG");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	105 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	106 if (usconfig(CONF_ARENATYPE, US_SHAREDONLY) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	107 perror("usconfig - CONF_ARENATYPE");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	108 usconfig(CONF_LOCKTYPE, US_DEBUG); /* XXX */
4839 4567e158d20c Rename DEBUG macro to Py_DEBUG Guido van Rossum <guido@python.org> parents: 4503 diff changeset	109 #ifdef Py_DEBUG
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	110 if (thread_debug & 4)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	111 usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	112 else if (thread_debug & 2)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	113 usconfig(CONF_LOCKTYPE, US_DEBUG);
4839 4567e158d20c Rename DEBUG macro to Py_DEBUG Guido van Rossum <guido@python.org> parents: 4503 diff changeset	114 #endif /* Py_DEBUG */
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	115 if ((shared_arena = usinit(tmpnam(0))) == 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	116 perror("usinit");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	117 #ifdef USE_DL
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	118 if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	119 perror("usconfig - CONF_ATTACHADDR (reset)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	120 #endif /* USE_DL */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	121 if ((count_lock = usnewlock(shared_arena)) == NULL)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	122 perror("usnewlock (count_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	123 (void) usinitlock(count_lock);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	124 if ((wait_lock = usnewlock(shared_arena)) == NULL)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	125 perror("usnewlock (wait_lock)");
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	126 dprintf(("arena start: %p, arena size: %ld\n", shared_arena, (long) usconfig(CONF_GETSIZE, shared_arena)));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	127 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	128
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	129 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	130 * Thread support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	131 */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	132
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	133 static void clean_threads(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	134 {
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	135 int i, j;
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	136 pid_t mypid, pid;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	137
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	138 /* clean up any exited threads */
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	139 mypid = getpid();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	140 i = 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	141 while (i < maxpidindex) {
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	142 if (pidlist[i].parent == mypid && (pid = pidlist[i].child) > 0) {
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	143 pid = waitpid(pid, 0, WNOHANG);
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	144 if (pid > 0) {
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	145 /* a thread has exited */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	146 pidlist[i] = pidlist[--maxpidindex];
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	147 /* remove references to children of dead proc */
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	148 for (j = 0; j < maxpidindex; j++)
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	149 if (pidlist[j].parent == pid)
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	150 pidlist[j].child = -1;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	151 continue; /* don't increment i */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	152 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	153 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	154 i++;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	155 }
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	156 /* clean up the list */
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	157 i = 0;
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	158 while (i < maxpidindex) {
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	159 if (pidlist[i].child == -1) {
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	160 pidlist[i] = pidlist[--maxpidindex];
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	161 continue; /* don't increment i */
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	162 }
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	163 i++;
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	164 }
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	165 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	166
20468 ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 14375 diff changeset	167 long PyThread_start_new_thread(void (func)(void ), void *arg)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	168 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	169 #ifdef USE_DL
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	170 long addr, size;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	171 static int local_initialized = 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	172 #endif /* USE_DL */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	173 int success = 0; /* init not needed when SOLARIS_THREADS and */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	174 /* C_THREADS implemented properly */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	175
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	176 dprintf(("PyThread_start_new_thread called\n"));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	177 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	178 PyThread_init_thread();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	179 switch (ussetlock(count_lock)) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	180 case 0: return 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	181 case -1: perror("ussetlock (count_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	182 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	183 if (maxpidindex >= MAXPROC)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	184 success = -1;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	185 else {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	186 #ifdef USE_DL
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	187 if (!local_initialized) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	188 if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	189 perror("usconfig - CONF_INITSIZE (check)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	190 if (usconfig(CONF_INITSIZE, size) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	191 perror("usconfig - CONF_INITSIZE (reset)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	192 addr = (long) dl_getrange(size + HDR_SIZE);
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	193 dprintf(("trying to use addr %p-%p for sproc\n",
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	194 addr, addr+size));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	195 errno = 0;
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	196 if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 &&
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	197 errno != 0)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	198 perror("usconfig - CONF_ATTACHADDR (set)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	199 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	200 #endif /* USE_DL */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	201 clean_threads();
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	202 if ((success = sproc(func, PR_SALL, arg)) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	203 perror("sproc");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	204 #ifdef USE_DL
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	205 if (!local_initialized) {
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	206 if (usconfig(CONF_ATTACHADDR, addr) < 0)
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	207 /* reset address */
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	208 perror("usconfig - CONF_ATTACHADDR (reset)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	209 local_initialized = 1;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	210 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	211 #endif /* USE_DL */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	212 if (success >= 0) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	213 nthreads++;
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	214 pidlist[maxpidindex].parent = getpid();
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	215 pidlist[maxpidindex++].child = success;
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	216 dprintf(("pidlist[%d] = %d\n",
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	217 maxpidindex-1, success));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	218 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	219 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	220 if (usunsetlock(count_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	221 perror("usunsetlock (count_lock)");
20468 ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 14375 diff changeset	222 return success;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	223 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	224
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	225 long PyThread_get_thread_ident(void)
1651 7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1628 diff changeset	226 {
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1628 diff changeset	227 return getpid();
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1628 diff changeset	228 }
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1628 diff changeset	229
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	230 static void do_PyThread_exit_thread(int no_cleanup)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	231 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	232 dprintf(("PyThread_exit_thread called\n"));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	233 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	234 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	235 _exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	236 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	237 exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	238 if (ussetlock(count_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	239 perror("ussetlock (count_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	240 nthreads--;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	241 if (getpid() == my_pid) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	242 /* main thread; wait for other threads to exit */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	243 exiting = 1;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	244 #ifndef NO_EXIT_PROG
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	245 if (do_exit) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	246 int i;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	247
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	248 /* notify other threads */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	249 clean_threads();
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	250 if (nthreads >= 0) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	251 dprintf(("kill other threads\n"));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	252 for (i = 0; i < maxpidindex; i++)
1655 90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	253 if (pidlist[i].child > 0)
90ee71a3a13e Fix waiting for children -- save ppid in pidlist as well. Guido van Rossum <guido@python.org> parents: 1651 diff changeset	254 (void) kill(pidlist[i].child,
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	255 SIGKILL);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	256 _exit(exit_status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	257 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	258 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	259 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	260 waiting_for_threads = 1;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	261 if (ussetlock(wait_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	262 perror("ussetlock (wait_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	263 for (;;) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	264 if (nthreads < 0) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	265 dprintf(("really exit (%d)\n", exit_status));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	266 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	267 _exit(exit_status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	268 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	269 exit(exit_status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	270 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	271 if (usunsetlock(count_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	272 perror("usunsetlock (count_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	273 dprintf(("waiting for other threads (%d)\n", nthreads));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	274 if (ussetlock(wait_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	275 perror("ussetlock (wait_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	276 if (ussetlock(count_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	277 perror("ussetlock (count_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	278 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	279 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	280 /* not the main thread */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	281 if (waiting_for_threads) {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	282 dprintf(("main thread is waiting\n"));
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	283 if (usunsetlock(wait_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	284 perror("usunsetlock (wait_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	285 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	286 #ifndef NO_EXIT_PROG
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	287 else if (do_exit)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	288 (void) kill(my_pid, SIGUSR1);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	289 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	290 if (usunsetlock(count_lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	291 perror("usunsetlock (count_lock)");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	292 _exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	293 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	294
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	295 void PyThread_exit_thread(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	296 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	297 do_PyThread_exit_thread(0);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	298 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	299
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	300 void PyThread__exit_thread(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	301 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	302 do_PyThread_exit_thread(1);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	303 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	304
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	305 #ifndef NO_EXIT_PROG
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	306 static void do_PyThread_exit_prog(int status, int no_cleanup)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	307 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	308 dprintf(("PyThread_exit_prog(%d) called\n", status));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	309 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	310 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	311 _exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	312 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	313 exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	314 do_exit = 1;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	315 exit_status = status;
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	316 do_PyThread_exit_thread(no_cleanup);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	317 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	318
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	319 void PyThread_exit_prog(int status)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	320 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	321 do_PyThread_exit_prog(status, 0);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	322 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	323
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	324 void PyThread__exit_prog(int status)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	325 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	326 do_PyThread_exit_prog(status, 1);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	327 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	328 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	329
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	330 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	331 * Lock support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	332 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	333 PyThread_type_lock PyThread_allocate_lock(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	334 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	335 ulock_t lock;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	336
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	337 dprintf(("PyThread_allocate_lock called\n"));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	338 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	339 PyThread_init_thread();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	340
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	341 if ((lock = usnewlock(shared_arena)) == NULL)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	342 perror("usnewlock");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	343 (void) usinitlock(lock);
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	344 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 5405 diff changeset	345 return (PyThread_type_lock) lock;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	346 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	347
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	348 void PyThread_free_lock(PyThread_type_lock lock)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	349 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	350 dprintf(("PyThread_free_lock(%p) called\n", lock));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	351 usfreelock((ulock_t) lock, shared_arena);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	352 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	353
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	354 int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	355 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	356 int success;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	357
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	358 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	359 errno = 0; /* clear it just in case */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	360 if (waitflag)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	361 success = ussetlock((ulock_t) lock);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	362 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	363 success = uscsetlock((ulock_t) lock, 1); /* Try it once */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	364 if (success < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	365 perror(waitflag ? "ussetlock" : "uscsetlock");
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	366 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	367 return success;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	368 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	369
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	370 void PyThread_release_lock(PyThread_type_lock lock)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	371 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	372 dprintf(("PyThread_release_lock(%p) called\n", lock));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	373 if (usunsetlock((ulock_t) lock) < 0)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	374 perror("usunsetlock");
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	375 }

Mercurial > cpython-lru_cache-weakref

annotate Python/thread_sgi.h @ 43292:876b7ef4775d