mirror of https://github.com/python/cpython
153 lines
3.4 KiB
C
153 lines
3.4 KiB
C
/***********************************************************
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI or Corporation for National Research Initiatives or
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CNRI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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While CWI is the initial source for this software, a modified version
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is made available by the Corporation for National Research Initiatives
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(CNRI) at the Internet address ftp://ftp.python.org.
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STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
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CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Thread package.
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This is intended to be usable independently from Python.
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The implementation for system foobar is in a file thread_foobar.h
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which is included by this file dependent on config settings.
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Stuff shared by all thread_*.h files is collected here. */
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#include "config.h"
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#include <stdio.h>
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#else
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extern char *getenv();
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef __sgi
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#ifndef HAVE_PTHREAD_H /* XXX Need to check in configure.in */
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#undef _POSIX_THREADS
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#endif
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#endif
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#include "thread.h"
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#ifdef __ksr__
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#define _POSIX_THREADS
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#endif
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#ifndef _POSIX_THREADS
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#ifdef __sgi
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#define SGI_THREADS
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#endif
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#ifdef HAVE_THREAD_H
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#define SOLARIS_THREADS
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#endif
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#if defined(sun) && !defined(SOLARIS_THREADS)
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#define SUN_LWP
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#endif
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#endif /* _POSIX_THREADS */
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#ifdef __STDC__
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#define _P(args) args
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#define _P0() (void)
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#define _P1(v,t) (t)
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#define _P2(v1,t1,v2,t2) (t1,t2)
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#else
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#define _P(args) ()
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#define _P0() ()
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#define _P1(v,t) (v) t;
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#define _P2(v1,t1,v2,t2) (v1,v2) t1; t2;
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#endif /* __STDC__ */
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#ifdef Py_DEBUG
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static int thread_debug = 0;
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#define dprintf(args) ((thread_debug & 1) && printf args)
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#define d2printf(args) ((thread_debug & 8) && printf args)
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#else
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#define dprintf(args)
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#define d2printf(args)
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#endif
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static int initialized;
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static void _init_thread(); /* Forward */
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void init_thread _P0()
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{
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#ifdef Py_DEBUG
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char *p = getenv("THREADDEBUG");
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if (p) {
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if (*p)
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thread_debug = atoi(p);
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else
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thread_debug = 1;
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}
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#endif /* Py_DEBUG */
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if (initialized)
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return;
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initialized = 1;
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dprintf(("init_thread called\n"));
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_init_thread();
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}
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#ifdef SGI_THREADS
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#include "thread_sgi.h"
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#endif
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#ifdef SOLARIS_THREADS
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#include "thread_solaris.h"
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#endif
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#ifdef SUN_LWP
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#include "thread_lwp.h"
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#endif
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#ifdef _POSIX_THREADS
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#include "thread_pthread.h"
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#endif
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#ifdef C_THREADS
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#include "thread_cthread.h"
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#endif
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#ifdef NT_THREADS
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#include "thread_nt.h"
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#endif
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/*
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#ifdef FOOBAR_THREADS
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#include "thread_foobar.h"
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#endif
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*/
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