mirror of
https://github.com/python/cpython.git
synced 2025-11-04 07:31:38 +00:00
137 lines
3 KiB
C
137 lines
3 KiB
C
/***********************************************************
|
|
Copyright 1991-1995 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.
|
|
|
|
******************************************************************/
|
|
|
|
/* 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. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifdef HAVE_STDLIB_H
|
|
#include <stdlib.h>
|
|
#else
|
|
extern char *getenv();
|
|
#endif
|
|
|
|
#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
|
|
|
|
#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 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 _init_thread(); /* Forward */
|
|
|
|
void init_thread _P0()
|
|
{
|
|
#ifdef DEBUG
|
|
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"));
|
|
_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 _POSIX_THREADS
|
|
#include "thread_pthread.h"
|
|
#endif
|
|
|
|
#ifdef C_THREADS
|
|
#include "thread_cthread.h"
|
|
#endif
|
|
|
|
#ifdef NT_THREADS
|
|
#include "thread_nt.h"
|
|
#endif
|
|
|
|
/*
|
|
#ifdef FOOBAR_THREADS
|
|
#include "thread_foobar.h"
|
|
#endif
|
|
*/
|