cpython/Python/thread.c

134 lines
3.0 KiB
C
Raw Normal View History

/***********************************************************
1994-08-30 05:27:36 -03:00
Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
Amsterdam, The Netherlands.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of Stichting Mathematisch
Centrum or CWI not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior permission.
STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************/
1994-08-30 05:27:36 -03:00
/* 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. */
1994-08-30 05:27:36 -03:00
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
1994-08-30 05:27:36 -03:00
#ifdef HAVE_STDLIB_H
1993-12-03 12:54:45 -04:00
#include <stdlib.h>
1994-08-30 05:27:36 -03:00
#else
extern char *getenv();
#endif
1994-08-30 05:27:36 -03:00
#include "thread.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
1993-12-03 12:54:45 -04:00
#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;
1993-12-03 12:54:45 -04:00
#endif /* __STDC__ */
1993-12-03 12:54:45 -04:00
#ifdef DEBUG
1994-08-30 05:27:36 -03:00
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)
1993-12-03 12:54:45 -04:00
#endif
1994-08-30 05:27:36 -03:00
static int initialized;
static void _init_thread(); /* Forward */
void init_thread _P0()
{
#ifdef DEBUG
1993-12-03 12:54:45 -04:00
char *p = getenv("THREADDEBUG");
if (p) {
if (*p)
thread_debug = atoi(p);
else
thread_debug = 1;
}
#endif /* DEBUG */
if (initialized)
return;
initialized = 1;
dprintf(("init_thread called\n"));
1994-08-30 05:27:36 -03:00
_init_thread();
}
1994-08-30 05:27:36 -03:00
#ifdef SGI_THREADS
#include "thread_sgi.h"
#endif
1994-08-30 05:27:36 -03:00
#ifdef SOLARIS_THREADS
#include "thread_solaris.h"
#endif
1994-08-30 05:27:36 -03:00
#ifdef SUN_LWP
#include "thread_lwp.h"
1993-12-03 12:54:45 -04:00
#endif
1994-08-30 05:27:36 -03:00
#ifdef _POSIX_THREADS
#include "thread_pthread.h"
#endif
1994-08-30 05:27:36 -03:00
#ifdef C_THREADS
#include "thread_cthread.h"
#endif
/*
1994-08-30 05:27:36 -03:00
#ifdef FOOBAR_THREADS
#include "thread_foobar.h"
#endif
1994-08-30 05:27:36 -03:00
*/