1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * mono-mutex.h: Portability wrappers around POSIX Mutexes
5 * Authors: Jeffrey Stedfast <fejj@ximian.com>
7 * Copyright 2002 Ximian, Inc. (www.ximian.com)
11 #ifndef __MONO_MUTEX_H__
12 #define __MONO_MUTEX_H__
21 pthread_mutex_t mutex;
25 #define MONO_ONCE_INIT { PTHREAD_MUTEX_INITIALIZER, FALSE }
27 int mono_once (mono_once_t *once, void (*once_init) (void));
32 #define MONO_THREAD_NONE ((pthread_t)~0)
38 MONO_MUTEX_ERRORCHECK = MONO_MUTEX_NORMAL,
39 MONO_MUTEX_DEFAULT = MONO_MUTEX_NORMAL
42 /* mutex protocol attributes... */
44 MONO_THREAD_PRIO_NONE,
45 MONO_THREAD_PRIO_INHERIT,
46 MONO_THREAD_PRIO_PROTECT,
49 /* mutex process sharing attributes... */
51 MONO_THREAD_PROCESS_PRIVATE,
52 MONO_THREAD_PROCESS_SHARED
55 typedef struct _mono_mutexattr_t {
62 typedef struct _mono_mutex_t {
67 pthread_mutex_t mutex;
71 /* static initializers */
72 #define MONO_MUTEX_INITIALIZER { 0, MONO_THREAD_NONE, 0, 0, PTHREAD_MUTEX_INITIALIZER, 0 }
73 #define MONO_RECURSIVE_MUTEX_INITIALIZER { 0, MONO_THREAD_NONE, 0, 0, PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER }
75 int mono_mutexattr_init (mono_mutexattr_t *attr);
76 int mono_mutexattr_settype (mono_mutexattr_t *attr, int type);
77 int mono_mutexattr_gettype (mono_mutexattr_t *attr, int *type);
78 int mono_mutexattr_setpshared (mono_mutexattr_t *attr, int pshared);
79 int mono_mutexattr_getpshared (mono_mutexattr_t *attr, int *pshared);
80 int mono_mutexattr_setprotocol (mono_mutexattr_t *attr, int protocol);
81 int mono_mutexattr_getprotocol (mono_mutexattr_t *attr, int *protocol);
82 int mono_mutexattr_setprioceiling (mono_mutexattr_t *attr, int prioceiling);
83 int mono_mutexattr_getprioceiling (mono_mutexattr_t *attr, int *prioceiling);
84 int mono_mutexattr_destroy (mono_mutexattr_t *attr);
87 int mono_mutex_init (mono_mutex_t *mutex, const mono_mutexattr_t *attr);
88 int mono_mutex_lock (mono_mutex_t *mutex);
89 int mono_mutex_trylock (mono_mutex_t *mutex);
90 int mono_mutex_timedlock (mono_mutex_t *mutex, const struct timespec *timeout);
91 int mono_mutex_unlock (mono_mutex_t *mutex);
92 int mono_mutex_destroy (mono_mutex_t *mutex);
94 #define mono_cond_init(cond,attr) pthread_cond_init (cond, attr)
95 int mono_cond_wait (pthread_cond_t *cond, mono_mutex_t *mutex);
96 int mono_cond_timedwait (pthread_cond_t *cond, mono_mutex_t *mutex, const struct timespec *timeout);
97 #define mono_cond_signal(cond) pthread_cond_signal (cond)
98 #define mono_cond_broadcast(cond) pthread_cond_broadcast (cond)
100 #else /* system is equipped with a fully-functional pthread mutex library */
102 #define MONO_MUTEX_NORMAL PTHREAD_MUTEX_NORMAL
103 #define MONO_MUTEX_RECURSIVE PTHREAD_MUTEX_RECURSIVE
104 #define MONO_MUTEX_ERRORCHECK PTHREAD_MUTEX_NORMAL
105 #define MONO_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL
107 #define MONO_THREAD_PRIO_NONE PTHREAD_PRIO_NONE
108 #define MONO_THREAD_PRIO_INHERIT PTHREAD_PRIO_INHERIT
109 #define MONO_THREAD_PRIO_PROTECT PTHREAD_PRIO_PROTECT
111 #define MONO_THREAD_PROCESS_PRIVATE PTHREAD_PROCESS_PRIVATE
112 #define MONO_THREAD_PROCESS_SHARED PTHREAD_PROCESS_SHARED
114 typedef pthread_mutex_t mono_mutex_t;
115 typedef pthread_mutexattr_t mono_mutexattr_t;
117 #define MONO_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
118 #define MONO_RECURSIVE_MUTEX_INITIALIZER PTHREAD_RECURSIVE_MUTEX_INITIALIZER
120 #define mono_mutexattr_init(attr) pthread_mutexattr_init (attr)
121 #define mono_mutexattr_settype(attr,type) pthread_mutexattr_settype (attr, type)
122 #define mono_mutexattr_gettype(attr,type) pthread_mutexattr_gettype (attr, type)
123 #define mono_mutexattr_setpshared(attr,pshared) pthread_mutexattr_setpshared (attr, pshared)
124 #define mono_mutexattr_getpshared(attr,pshared) pthread_mutexattr_getpshared (attr, pshared)
125 #define mono_mutexattr_setprotocol(attr,protocol) pthread_mutexattr_setprotocol (attr, protocol)
126 #define mono_mutexattr_getprotocol(attr,protocol) pthread_mutexattr_getprotocol (attr, protocol)
127 #define mono_mutexattr_setprioceiling(attr,prioceiling) pthread_mutexattr_setprioceiling (attr, prioceiling)
128 #define mono_mutexattr_getprioceiling(attr,prioceiling) pthread_mutexattr_getprioceiling (attr, prioceiling)
129 #define mono_mutexattr_destroy(attr) pthread_mutexattr_destroy (attr)
131 #define mono_mutex_init(mutex,attr) pthread_mutex_init (mutex, attr)
132 #define mono_mutex_lock(mutex) pthread_mutex_lock (mutex)
133 #define mono_mutex_trylock(mutex) pthread_mutex_trylock (mutex)
134 #define mono_mutex_timedlock(mutex,timeout) pthread_mutex_timedlock (mutex, timeout)
135 #define mono_mutex_unlock(mutex) pthread_mutex_unlock (mutex)
136 #define mono_mutex_destroy(mutex) pthread_mutex_destroy (mutex)
138 #define mono_cond_init(cond,attr) pthread_cond_init (cond,attr)
139 #define mono_cond_wait(cond,mutex) pthread_cond_wait (cond, mutex)
140 #define mono_cond_timedwait(cond,mutex,timeout) pthread_cond_timedwait (cond, mutex, timeout)
141 #define mono_cond_signal(cond) pthread_cond_signal (cond)
142 #define mono_cond_broadcast(cond) pthread_cond_broadcast (cond)
144 #endif /* USE_MONO_MUTEX */
146 /* This is a function so it can be passed to pthread_cleanup_push -
147 * that is a macro and giving it a macro as a parameter breaks.
150 static inline int mono_mutex_unlock_in_cleanup (mono_mutex_t *mutex)
152 return(mono_mutex_unlock (mutex));
157 #endif /* __MONO_MUTEX_H__ */