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/* System thread definitions
Copyright (C) 2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef SYSTHREAD_H
#define SYSTHREAD_H
#ifdef HAVE_PTHREAD
#include <pthread.h>
/* A system mutex is just a pthread mutex. This is only used for the
GIL. */
typedef pthread_mutex_t sys_mutex_t;
typedef pthread_cond_t sys_cond_t;
/* A system thread. */
typedef pthread_t sys_thread_t;
#else
#error port me
#endif
typedef void *(thread_creation_function) (void *);
extern void sys_mutex_init (sys_mutex_t *);
extern void sys_mutex_lock (sys_mutex_t *);
extern void sys_mutex_unlock (sys_mutex_t *);
extern void sys_mutex_destroy (sys_mutex_t *);
extern void sys_cond_init (sys_cond_t *);
extern void sys_cond_wait (sys_cond_t *, sys_mutex_t *);
extern void sys_cond_signal (sys_cond_t *);
extern void sys_cond_broadcast (sys_cond_t *);
extern void sys_cond_destroy (sys_cond_t *);
extern sys_thread_t sys_thread_self (void);
extern int sys_thread_equal (sys_thread_t, sys_thread_t);
extern int sys_thread_create (sys_thread_t *, const char *,
thread_creation_function *,
void *);
extern void sys_thread_yield (void);
#endif /* SYSTHREAD_H */
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