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__
22 #ifndef PLATFORM_WIN32
25 pthread_mutex_t mutex;
29 #define MONO_ONCE_INIT { PTHREAD_MUTEX_INITIALIZER, FALSE }
31 int mono_once (mono_once_t *once, void (*once_init) (void));
36 #define MONO_THREAD_NONE ((pthread_t)~0)
42 MONO_MUTEX_ERRORCHECK = MONO_MUTEX_NORMAL,
43 MONO_MUTEX_DEFAULT = MONO_MUTEX_NORMAL
46 /* mutex protocol attributes... */
48 MONO_THREAD_PRIO_NONE,
49 MONO_THREAD_PRIO_INHERIT,
50 MONO_THREAD_PRIO_PROTECT,
53 /* mutex process sharing attributes... */
55 MONO_THREAD_PROCESS_PRIVATE,
56 MONO_THREAD_PROCESS_SHARED
59 typedef struct _mono_mutexattr_t {
66 typedef struct _mono_mutex_t {
71 pthread_mutex_t mutex;
75 /* static initializers */
76 #define MONO_MUTEX_INITIALIZER { 0, MONO_THREAD_NONE, 0, 0, PTHREAD_MUTEX_INITIALIZER, 0 }
77 #define MONO_RECURSIVE_MUTEX_INITIALIZER { 0, MONO_THREAD_NONE, 0, 0, PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER }
79 int mono_mutexattr_init (mono_mutexattr_t *attr);
80 int mono_mutexattr_settype (mono_mutexattr_t *attr, int type);
81 int mono_mutexattr_gettype (mono_mutexattr_t *attr, int *type);
82 int mono_mutexattr_setpshared (mono_mutexattr_t *attr, int pshared);
83 int mono_mutexattr_getpshared (mono_mutexattr_t *attr, int *pshared);
84 int mono_mutexattr_setprotocol (mono_mutexattr_t *attr, int protocol);
85 int mono_mutexattr_getprotocol (mono_mutexattr_t *attr, int *protocol);
86 int mono_mutexattr_setprioceiling (mono_mutexattr_t *attr, int prioceiling);
87 int mono_mutexattr_getprioceiling (mono_mutexattr_t *attr, int *prioceiling);
88 int mono_mutexattr_destroy (mono_mutexattr_t *attr);
91 int mono_mutex_init (mono_mutex_t *mutex, const mono_mutexattr_t *attr);
92 int mono_mutex_lock (mono_mutex_t *mutex);
93 int mono_mutex_trylock (mono_mutex_t *mutex);
94 int mono_mutex_timedlock (mono_mutex_t *mutex, const struct timespec *timeout);
95 int mono_mutex_unlock (mono_mutex_t *mutex);
96 int mono_mutex_destroy (mono_mutex_t *mutex);
98 #define mono_cond_init(cond,attr) pthread_cond_init (cond, attr)
99 int mono_cond_wait (pthread_cond_t *cond, mono_mutex_t *mutex);
100 int mono_cond_timedwait (pthread_cond_t *cond, mono_mutex_t *mutex, const struct timespec *timeout);
101 #define mono_cond_signal(cond) pthread_cond_signal (cond)
102 #define mono_cond_broadcast(cond) pthread_cond_broadcast (cond)
104 #else /* system is equipped with a fully-functional pthread mutex library */
106 #define MONO_MUTEX_NORMAL PTHREAD_MUTEX_NORMAL
107 #define MONO_MUTEX_RECURSIVE PTHREAD_MUTEX_RECURSIVE
108 #define MONO_MUTEX_ERRORCHECK PTHREAD_MUTEX_NORMAL
109 #define MONO_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL
111 #define MONO_THREAD_PRIO_NONE PTHREAD_PRIO_NONE
112 #define MONO_THREAD_PRIO_INHERIT PTHREAD_PRIO_INHERIT
113 #define MONO_THREAD_PRIO_PROTECT PTHREAD_PRIO_PROTECT
115 #define MONO_THREAD_PROCESS_PRIVATE PTHREAD_PROCESS_PRIVATE
116 #define MONO_THREAD_PROCESS_SHARED PTHREAD_PROCESS_SHARED
118 typedef pthread_mutex_t mono_mutex_t;
119 typedef pthread_mutexattr_t mono_mutexattr_t;
120 typedef pthread_cond_t mono_cond_t;
122 #define MONO_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
123 #define MONO_RECURSIVE_MUTEX_INITIALIZER PTHREAD_RECURSIVE_MUTEX_INITIALIZER
124 #define MONO_COND_INITIALIZER PTHREAD_COND_INITIALIZER
126 #define mono_mutexattr_init(attr) pthread_mutexattr_init (attr)
127 #define mono_mutexattr_settype(attr,type) pthread_mutexattr_settype (attr, type)
128 #define mono_mutexattr_gettype(attr,type) pthread_mutexattr_gettype (attr, type)
129 #define mono_mutexattr_setpshared(attr,pshared) pthread_mutexattr_setpshared (attr, pshared)
130 #define mono_mutexattr_getpshared(attr,pshared) pthread_mutexattr_getpshared (attr, pshared)
131 #define mono_mutexattr_setprotocol(attr,protocol) pthread_mutexattr_setprotocol (attr, protocol)
132 #define mono_mutexattr_getprotocol(attr,protocol) pthread_mutexattr_getprotocol (attr, protocol)
133 #define mono_mutexattr_setprioceiling(attr,prioceiling) pthread_mutexattr_setprioceiling (attr, prioceiling)
134 #define mono_mutexattr_getprioceiling(attr,prioceiling) pthread_mutexattr_getprioceiling (attr, prioceiling)
135 #define mono_mutexattr_destroy(attr) pthread_mutexattr_destroy (attr)
137 #define mono_mutex_init(mutex,attr) pthread_mutex_init (mutex, attr)
138 #define mono_mutex_lock(mutex) pthread_mutex_lock (mutex)
139 #define mono_mutex_trylock(mutex) pthread_mutex_trylock (mutex)
140 #define mono_mutex_timedlock(mutex,timeout) pthread_mutex_timedlock (mutex, timeout)
141 #define mono_mutex_unlock(mutex) pthread_mutex_unlock (mutex)
142 #define mono_mutex_destroy(mutex) pthread_mutex_destroy (mutex)
144 #define mono_cond_init(cond,attr) pthread_cond_init (cond,attr)
145 #define mono_cond_wait(cond,mutex) pthread_cond_wait (cond, mutex)
146 #define mono_cond_timedwait(cond,mutex,timeout) pthread_cond_timedwait (cond, mutex, timeout)
147 #define mono_cond_signal(cond) pthread_cond_signal (cond)
148 #define mono_cond_broadcast(cond) pthread_cond_broadcast (cond)
150 #endif /* USE_MONO_MUTEX */
152 /* This is a function so it can be passed to pthread_cleanup_push -
153 * that is a macro and giving it a macro as a parameter breaks.
156 static inline int mono_mutex_unlock_in_cleanup (mono_mutex_t *mutex)
158 return(mono_mutex_unlock (mutex));
163 typedef HANDLE mono_mutex_t;
164 typedef HANDLE mono_cond_t;
166 #define mono_mutex_lock(mutex) do { WaitForSingleObject ((mutex), INFINITE);} while (0)
167 #define mono_mutex_unlock(mutex) ReleaseMutex ((mutex))
170 #define mono_cond_init(cond,attr) pthread_cond_init (cond,attr)
171 #define mono_cond_wait(cond,mutex) WaitForSingleObject (cond, INFINITE)
172 #define mono_cond_timedwait(cond,mutex,timeout) pthread_cond_timedwait (cond, mutex, timeout)
173 #define mono_cond_signal(cond) SetEvent (cond)
174 #define mono_cond_broadcast(cond) SetEvent (cond)
176 #define MONO_MUTEX_INITIALIZER NULL
177 #define MONO_COND_INITIALIZER NULL
182 #endif /* __MONO_MUTEX_H__ */