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__
32 pthread_mutex_t mutex;
36 #define MONO_ONCE_INIT { PTHREAD_MUTEX_INITIALIZER, FALSE }
38 int mono_once (mono_once_t *once, void (*once_init) (void));
40 typedef pthread_mutex_t mono_mutex_t;
41 typedef pthread_cond_t mono_cond_t;
43 #define mono_mutex_init(mutex) pthread_mutex_init (mutex, NULL)
44 #define mono_mutex_lock(mutex) pthread_mutex_lock (mutex)
45 #define mono_mutex_trylock(mutex) pthread_mutex_trylock (mutex)
46 #define mono_mutex_timedlock(mutex,timeout) pthread_mutex_timedlock (mutex, timeout)
47 #define mono_mutex_unlock(mutex) pthread_mutex_unlock (mutex)
48 #define mono_mutex_destroy(mutex) pthread_mutex_destroy (mutex)
50 #define mono_cond_init(cond,attr) pthread_cond_init (cond,attr)
51 #define mono_cond_wait(cond,mutex) pthread_cond_wait (cond, mutex)
52 #define mono_cond_timedwait(cond,mutex,timeout) pthread_cond_timedwait (cond, mutex, timeout)
53 #define mono_cond_signal(cond) pthread_cond_signal (cond)
54 #define mono_cond_broadcast(cond) pthread_cond_broadcast (cond)
55 #define mono_cond_destroy(cond)
57 /* This is a function so it can be passed to pthread_cleanup_push -
58 * that is a macro and giving it a macro as a parameter breaks.
61 static inline int mono_mutex_unlock_in_cleanup (mono_mutex_t *mutex)
63 return(mono_mutex_unlock (mutex));
66 /* Returns zero on success. */
68 mono_mutex_init_recursive (mono_mutex_t *mutex)
71 pthread_mutexattr_t attr;
73 pthread_mutexattr_init (&attr);
74 pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE);
75 res = pthread_mutex_init (mutex, &attr);
76 pthread_mutexattr_destroy (&attr);
83 typedef CRITICAL_SECTION mono_mutex_t;
84 typedef HANDLE mono_cond_t;
86 #define mono_mutex_init(mutex) (InitializeCriticalSection((mutex)), 0)
87 #define mono_mutex_init_recursive(mutex) (InitializeCriticalSection((mutex)), 0)
88 #define mono_mutex_lock(mutex) EnterCriticalSection((mutex))
89 #define mono_mutex_trylock(mutex) TryEnterCriticalSection((mutex))
90 #define mono_mutex_unlock(mutex) LeaveCriticalSection((mutex))
91 #define mono_mutex_destroy(mutex) DeleteCriticalSection((mutex))
94 #define mono_cond_init(cond,attr) do{*(cond) = CreateEvent(NULL,FALSE,FALSE,NULL); } while (0)
95 #define mono_cond_wait(cond,mutex) WaitForSingleObject(*(cond),INFINITE)
96 #define mono_cond_timedwait(cond,mutex,timeout) WaitForSingleObject(*(cond),timeout)
97 #define mono_cond_signal(cond) SetEvent(*(cond))
98 #define mono_cond_broadcast(cond) (!SetEvent(*(cond)))
99 #define mono_cond_destroy(cond) CloseHandle(*(cond))
103 int mono_mutex_init_suspend_safe (mono_mutex_t *mutex);
107 #endif /* __MONO_MUTEX_H__ */