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gerrit-public.fairphone.software / platform / external / python / cpython3 / 18b9b93df3cf304a2506a44e1e3bfd95bd53e511 / . / Python / thread.c
blob: f366a71ec76ab317c36e6bc6702d8743a8ede956 [file] [log] [blame]
Guido van Rossum34679b71993-01-26 13:33:44 +0000[diff] [blame]1
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]2/* Thread package.
3 This is intended to be usable independently from Python.
4 The implementation for system foobar is in a file thread_foobar.h
5 which is included by this file dependent on config settings.
6 Stuff shared by all thread_*.h files is collected here. */
7
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]8#include "config.h"
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]9
Guido van Rossumf2615261998-12-04 18:50:20 +0000[diff] [blame]10/* config.h may or may not define DL_IMPORT */
11#ifndef DL_IMPORT /* declarations for DLL import/export */
12#define DL_IMPORT(RTYPE) RTYPE
13#endif
14
Guido van Rossum2571cc81999-04-07 16:07:23 +0000[diff] [blame]15#ifndef DONT_HAVE_STDIO_H
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]16#include <stdio.h>
Guido van Rossum2571cc81999-04-07 16:07:23 +0000[diff] [blame]17#endif
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]18
19#ifdef HAVE_STDLIB_H
20#include <stdlib.h>
21#else
Guido van Rossum2571cc81999-04-07 16:07:23 +0000[diff] [blame]22#ifdef Py_DEBUG
Thomas Woutersf70ef4f2000-07-22 18:47:25 +0000[diff] [blame]23extern char *getenv(const char *);
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]24#endif
Guido van Rossum2571cc81999-04-07 16:07:23 +0000[diff] [blame]25#endif
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]26
Guido van Rossum80bb9651996-12-05 23:27:02 +0000[diff] [blame]27#ifdef HAVE_UNISTD_H
28#include <unistd.h>
29#endif
30
Guido van Rossum64f91051997-05-22 20:41:59 +0000[diff] [blame]31#ifdef __DGUX
32#define _USING_POSIX4A_DRAFT6
33#endif
34
Guido van Rossumd11bfdd1997-04-29 21:48:34 +0000[diff] [blame]35#ifdef __sgi
36#ifndef HAVE_PTHREAD_H /* XXX Need to check in configure.in */
37#undef _POSIX_THREADS
38#endif
39#endif
40
Guido van Rossum49b56061998-10-01 20:42:43 +0000[diff] [blame]41#include "pythread.h"
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]42
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]43#ifdef __ksr__
44#define _POSIX_THREADS
Guido van Rossumf9f2e821992-08-17 08:59:08 +0000[diff] [blame]45#endif
46
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]47#ifndef _POSIX_THREADS
48
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]49#ifdef __sgi
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]50#define SGI_THREADS
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]51#endif
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]52
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]53#ifdef HAVE_THREAD_H
54#define SOLARIS_THREADS
55#endif
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]56
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]57#if defined(sun) && !defined(SOLARIS_THREADS)
58#define SUN_LWP
59#endif
60
Guido van Rossum095249f2000-04-24 15:06:51 +0000[diff] [blame]61#ifdef __MWERKS__
62#define _POSIX_THREADS
63#endif
64
Sjoerd Mullender66bca321993-12-03 16:54:45 +0000[diff] [blame]65#endif /* _POSIX_THREADS */
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]66
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]67
Guido van Rossum408027e1996-12-30 16:17:54 +0000[diff] [blame]68#ifdef Py_DEBUG
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]69static int thread_debug = 0;
70#define dprintf(args) ((thread_debug & 1) && printf args)
71#define d2printf(args) ((thread_debug & 8) && printf args)
72#else
73#define dprintf(args)
74#define d2printf(args)
75#endif
76
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]77static int initialized;
78
Thomas Wouters8ec68fd2000-07-24 14:39:50 +0000[diff] [blame]79static void PyThread__init_thread(void); /* Forward */
Sjoerd Mullenderaee8bc11992-09-02 11:25:37 +0000[diff] [blame]80
Thomas Woutersf70ef4f2000-07-22 18:47:25 +0000[diff] [blame]81void PyThread_init_thread(void)
Sjoerd Mullenderaee8bc11992-09-02 11:25:37 +0000[diff] [blame]82{
Guido van Rossum408027e1996-12-30 16:17:54 +0000[diff] [blame]83#ifdef Py_DEBUG
Sjoerd Mullender66bca321993-12-03 16:54:45 +0000[diff] [blame]84 char *p = getenv("THREADDEBUG");
85
86 if (p) {
87 if (*p)
88 thread_debug = atoi(p);
89 else
90 thread_debug = 1;
91 }
Guido van Rossum408027e1996-12-30 16:17:54 +0000[diff] [blame]92#endif /* Py_DEBUG */
Sjoerd Mullenderaee8bc11992-09-02 11:25:37 +0000[diff] [blame]93 if (initialized)
94 return;
95 initialized = 1;
Guido van Rossum65d5b571998-12-21 19:32:43 +0000[diff] [blame]96 dprintf(("PyThread_init_thread called\n"));
97 PyThread__init_thread();
Sjoerd Mullenderaee8bc11992-09-02 11:25:37 +0000[diff] [blame]98}
99
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]100#ifdef SGI_THREADS
101#include "thread_sgi.h"
Sjoerd Mullender66bca321993-12-03 16:54:45 +0000[diff] [blame]102#endif
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]103
104#ifdef SOLARIS_THREADS
105#include "thread_solaris.h"
106#endif
107
108#ifdef SUN_LWP
109#include "thread_lwp.h"
110#endif
111
Guido van Rossum9e8181b2000-09-19 00:46:46 +0000[diff] [blame]112#ifdef HAVE_PTH
Guido van Rossum07bd90e2000-05-08 13:41:38 +0000[diff] [blame]113#include "thread_pth.h"
Guido van Rossum9e8181b2000-09-19 00:46:46 +0000[diff] [blame]114#undef _POSIX_THREADS
115#endif
116
Sjoerd Mullender66bca321993-12-03 16:54:45 +0000[diff] [blame]117#ifdef _POSIX_THREADS
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]118#include "thread_pthread.h"
Sjoerd Mullendere8934121993-01-13 12:08:48 +0000[diff] [blame]119#endif
Guido van Rossumf9f2e821992-08-17 08:59:08 +0000[diff] [blame]120
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]121#ifdef C_THREADS
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]122#include "thread_cthread.h"
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]123#endif
Guido van Rossumf9f2e821992-08-17 08:59:08 +0000[diff] [blame]124
Guido van Rossumc3f82b61995-01-17 16:29:31 +0000[diff] [blame]125#ifdef NT_THREADS
126#include "thread_nt.h"
127#endif
128
Guido van Rossum8e9ebfd1997-11-22 21:53:48 +0000[diff] [blame]129#ifdef OS2_THREADS
130#include "thread_os2.h"
131#endif
132
Guido van Rossum1a8791e1998-08-04 22:46:29 +0000[diff] [blame]133#ifdef BEOS_THREADS
134#include "thread_beos.h"
135#endif
136
Guido van Rossum2571cc81999-04-07 16:07:23 +0000[diff] [blame]137#ifdef WINCE_THREADS
138#include "thread_wince.h"
139#endif
140
Guido van Rossumf9f2e821992-08-17 08:59:08 +0000[diff] [blame]141/*
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]142#ifdef FOOBAR_THREADS
143#include "thread_foobar.h"
Guido van Rossum1984f1e1992-08-04 12:41:02 +0000[diff] [blame]144#endif
Guido van Rossum1d5735e1994-08-30 08:27:36 +0000[diff] [blame]145*/