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guile/libguile/threads-plugin.h
Kevin Ryde be24d06003 (SCM_MUTEX_MAXSIZE): Increase to 12*sizeof(long),
for the benefit of powerpc-apple-darwin5.5.  Reported by Richard Todd.
2004-01-06 23:40:08 +00:00

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/* classes: h_files */
#ifndef SCM_THREADS_PLUGIN_H
#define SCM_THREADS_PLUGIN_H
/* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pthread.h> /* This file should *not* need to include pthread.h */
/* Size is checked in scm_init_threads_plugin.
For reference, sizes encountered include,
powerpc-apple-darwin5.5 pthread_mutex_t 44 bytes
*/
#define SCM_MUTEX_MAXSIZE (12 * sizeof (long))
typedef struct { char _[SCM_MUTEX_MAXSIZE]; } scm_t_mutex;
/*fixme* Should be defined similarly to scm_t_mutex. */
#define scm_t_mutexattr pthread_mutexattr_t
extern int scm_i_plugin_mutex_size;
typedef int (*scm_t_mutex_init) (scm_t_mutex *, const scm_t_mutexattr *);
typedef int (*scm_t_mutex_lock) (scm_t_mutex *);
typedef int (*scm_t_mutex_unlock) (scm_t_mutex *);
extern scm_t_mutex_init scm_i_plugin_mutex_init;
extern scm_t_mutex_lock scm_i_plugin_mutex_lock;
extern scm_t_mutex_unlock scm_i_plugin_mutex_unlock;
/* Size is checked in scm_init_threads_plugin */
#define SCM_REC_MUTEX_MAXSIZE (SCM_MUTEX_MAXSIZE + 3 * sizeof (long))
typedef struct { char _[SCM_REC_MUTEX_MAXSIZE]; } scm_t_rec_mutex;
extern int scm_i_plugin_rec_mutex_size;
typedef int (*scm_t_rec_mutex_init) (scm_t_rec_mutex *,
const scm_t_mutexattr *);
typedef int (*scm_t_rec_mutex_destroy) (scm_t_rec_mutex *);
typedef int (*scm_t_rec_mutex_lock) (scm_t_rec_mutex *);
typedef int (*scm_t_rec_mutex_trylock) (scm_t_rec_mutex *);
typedef int (*scm_t_rec_mutex_unlock) (scm_t_rec_mutex *);
extern scm_t_rec_mutex_init scm_i_plugin_rec_mutex_init;
extern scm_t_rec_mutex_destroy scm_i_plugin_rec_mutex_destroy;
extern scm_t_rec_mutex_lock scm_i_plugin_rec_mutex_lock;
extern scm_t_rec_mutex_trylock scm_i_plugin_rec_mutex_trylock;
extern scm_t_rec_mutex_unlock scm_i_plugin_rec_mutex_unlock;
/*fixme*/
#define scm_t_cond pthread_cond_t
typedef int (*scm_t_cond_wait) (scm_t_cond *, scm_t_mutex *);
typedef int (*scm_t_cond_timedwait) (scm_t_cond *,
scm_t_mutex *,
const scm_t_timespec *);
extern scm_t_cond_wait scm_i_plugin_cond_wait;
extern scm_t_cond_timedwait scm_i_plugin_cond_timedwait;
extern void scm_init_threads_plugin (void);
#endif /* SCM_THREADS_PLUGIN_H */
/*
Local Variables:
c-file-style: "gnu"
End:
*/