cpython/Python/thread.c

165 lines
3.0 KiB
C

/***********************************************************
Copyright (c) 2000, BeOpen.com.
Copyright (c) 1995-2000, Corporation for National Research Initiatives.
Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
All rights reserved.
See the file "Misc/COPYRIGHT" for information on usage and
redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
******************************************************************/
/* Thread package.
This is intended to be usable independently from Python.
The implementation for system foobar is in a file thread_foobar.h
which is included by this file dependent on config settings.
Stuff shared by all thread_*.h files is collected here. */
#include "config.h"
/* config.h may or may not define DL_IMPORT */
#ifndef DL_IMPORT /* declarations for DLL import/export */
#define DL_IMPORT(RTYPE) RTYPE
#endif
#ifndef DONT_HAVE_STDIO_H
#include <stdio.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
#ifdef Py_DEBUG
extern char *getenv();
#endif
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef __DGUX
#define _USING_POSIX4A_DRAFT6
#endif
#ifdef __sgi
#ifndef HAVE_PTHREAD_H /* XXX Need to check in configure.in */
#undef _POSIX_THREADS
#endif
#endif
#include "pythread.h"
#ifdef __ksr__
#define _POSIX_THREADS
#endif
#ifndef _POSIX_THREADS
#ifdef __sgi
#define SGI_THREADS
#endif
#ifdef HAVE_THREAD_H
#define SOLARIS_THREADS
#endif
#if defined(sun) && !defined(SOLARIS_THREADS)
#define SUN_LWP
#endif
#ifdef __MWERKS__
#define _POSIX_THREADS
#endif
#endif /* _POSIX_THREADS */
#ifdef __STDC__
#define _P(args) args
#define _P0() (void)
#define _P1(v,t) (t)
#define _P2(v1,t1,v2,t2) (t1,t2)
#else
#define _P(args) ()
#define _P0() ()
#define _P1(v,t) (v) t;
#define _P2(v1,t1,v2,t2) (v1,v2) t1; t2;
#endif /* __STDC__ */
#ifdef Py_DEBUG
static int thread_debug = 0;
#define dprintf(args) ((thread_debug & 1) && printf args)
#define d2printf(args) ((thread_debug & 8) && printf args)
#else
#define dprintf(args)
#define d2printf(args)
#endif
static int initialized;
static void PyThread__init_thread(); /* Forward */
void PyThread_init_thread _P0()
{
#ifdef Py_DEBUG
char *p = getenv("THREADDEBUG");
if (p) {
if (*p)
thread_debug = atoi(p);
else
thread_debug = 1;
}
#endif /* Py_DEBUG */
if (initialized)
return;
initialized = 1;
dprintf(("PyThread_init_thread called\n"));
PyThread__init_thread();
}
#ifdef SGI_THREADS
#include "thread_sgi.h"
#endif
#ifdef SOLARIS_THREADS
#include "thread_solaris.h"
#endif
#ifdef SUN_LWP
#include "thread_lwp.h"
#endif
#ifdef _GNU_PTH
#include "thread_pth.h"
#else
#ifdef _POSIX_THREADS
#include "thread_pthread.h"
#endif
#endif
#ifdef C_THREADS
#include "thread_cthread.h"
#endif
#ifdef NT_THREADS
#include "thread_nt.h"
#endif
#ifdef OS2_THREADS
#include "thread_os2.h"
#endif
#ifdef BEOS_THREADS
#include "thread_beos.h"
#endif
#ifdef WINCE_THREADS
#include "thread_wince.h"
#endif
/*
#ifdef FOOBAR_THREADS
#include "thread_foobar.h"
#endif
*/