mirror of
https://github.com/python/cpython.git
synced 2024-11-28 16:45:42 +01:00
178 lines
3.9 KiB
C
178 lines
3.9 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 or Corporation for National Research Initiatives or
|
|
CNRI not be used in advertising or publicity pertaining to
|
|
distribution of the software without specific, written prior
|
|
permission.
|
|
|
|
While CWI is the initial source for this software, a modified version
|
|
is made available by the Corporation for National Research Initiatives
|
|
(CNRI) at the Internet address ftp://ftp.python.org.
|
|
|
|
STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
|
|
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
|
|
CENTRUM OR CNRI 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. */
|
|
|
|
#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
|
|
|
|
#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 _POSIX_THREADS
|
|
#include "thread_pthread.h"
|
|
#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
|
|
*/
|