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mutex.h
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1 
10 #ifndef JANUS_MUTEX_H
11 #define JANUS_MUTEX_H
12 
13 #include <pthread.h>
14 #include <errno.h>
15 
16 #include "debug.h"
17 
18 extern int lock_debug;
19 
20 #ifdef USE_PTHREAD_MUTEX
21 
23 typedef pthread_mutex_t janus_mutex;
25 #define janus_mutex_init(a) pthread_mutex_init(a,NULL)
27 #define JANUS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
29 #define janus_mutex_destroy(a) pthread_mutex_destroy(a)
31 #define janus_mutex_lock_nodebug(a) pthread_mutex_lock(a)
33 #define janus_mutex_lock_debug(a) { JANUS_PRINT("[%s:%s:%d:lock] %p\n", __FILE__, __FUNCTION__, __LINE__, a); pthread_mutex_lock(a); }
35 #define janus_mutex_lock(a) { if(!lock_debug) { janus_mutex_lock_nodebug(a); } else { janus_mutex_lock_debug(a); } }
37 #define janus_mutex_trylock_nodebug(a) { ret = !pthread_mutex_trylock(a); }
39 #define janus_mutex_trylock_debug(a) { JANUS_PRINT("[%s:%s:%d:trylock] %p\n", __FILE__, __FUNCTION__, __LINE__, a); ret = !pthread_mutex_trylock(a); }
41 #define janus_mutex_trylock(a) ({ int ret; if(!lock_debug) { janus_mutex_trylock_nodebug(a); } else { janus_mutex_trylock_debug(a); } ret; })
43 #define janus_mutex_unlock_nodebug(a) pthread_mutex_unlock(a)
45 #define janus_mutex_unlock_debug(a) { JANUS_PRINT("[%s:%s:%d:unlock] %p\n", __FILE__, __FUNCTION__, __LINE__, a); pthread_mutex_unlock(a); }
47 #define janus_mutex_unlock(a) { if(!lock_debug) { janus_mutex_unlock_nodebug(a); } else { janus_mutex_unlock_debug(a); } }
48 
50 typedef pthread_cond_t janus_condition;
52 #define janus_condition_init(a) pthread_cond_init(a,NULL)
54 #define janus_condition_destroy(a) pthread_cond_destroy(a)
56 #define janus_condition_wait(a, b) pthread_cond_wait(a, b);
58 #define janus_condition_wait_until(a, b, c) { \
59  const struct timespec jct = { \
60  .tv_sec = c / G_USEC_PER_SEC, \
61  .tv_nsec = (c % G_USEC_PER_SEC)*1000 \
62  }; \
63  pthread_cond_timedwait(a, b, &jct); \
64 }
66 #define janus_condition_signal(a) pthread_cond_signal(a);
68 #define janus_condition_broadcast(a) pthread_cond_broadcast(a);
69 
70 #else
71 
73 typedef GMutex janus_mutex;
75 #define janus_mutex_init(a) g_mutex_init(a)
77 #define JANUS_MUTEX_INITIALIZER {0}
79 #define janus_mutex_destroy(a) g_mutex_clear(a)
81 #define janus_mutex_lock_nodebug(a) g_mutex_lock(a)
83 #define janus_mutex_lock_debug(a) { JANUS_PRINT("[%s:%s:%d:lock] %p\n", __FILE__, __FUNCTION__, __LINE__, a); g_mutex_lock(a); }
85 #define janus_mutex_lock(a) { if(!lock_debug) { janus_mutex_lock_nodebug(a); } else { janus_mutex_lock_debug(a); } }
87 #define janus_mutex_trylock_nodebug(a) { ret = g_mutex_trylock(a); }
89 #define janus_mutex_trylock_debug(a) { JANUS_PRINT("[%s:%s:%d:trylock] %p\n", __FILE__, __FUNCTION__, __LINE__, a); ret = g_mutex_trylock(a); }
91 #define janus_mutex_trylock(a) ({ gboolean ret; if(!lock_debug) { janus_mutex_trylock_nodebug(a); } else { janus_mutex_trylock_debug(a); } ret; })
93 #define janus_mutex_unlock_nodebug(a) g_mutex_unlock(a)
95 #define janus_mutex_unlock_debug(a) { JANUS_PRINT("[%s:%s:%d:unlock] %p\n", __FILE__, __FUNCTION__, __LINE__, a); g_mutex_unlock(a); }
97 #define janus_mutex_unlock(a) { if(!lock_debug) { janus_mutex_unlock_nodebug(a); } else { janus_mutex_unlock_debug(a); } }
98 
100 typedef GCond janus_condition;
102 #define janus_condition_init(a) g_cond_init(a)
104 #define janus_condition_destroy(a) g_cond_clear(a)
106 #define janus_condition_wait(a, b) g_cond_wait(a, b);
108 #define janus_condition_wait_until(a, b, c) g_cond_wait_until(a, b, c);
110 #define janus_condition_signal(a) g_cond_signal(a);
112 #define janus_condition_broadcast(a) g_cond_broadcast(a);
113 
114 #endif
115 
116 #endif
Logging and Debugging.
GCond janus_condition
Janus condition implementation.
Definition: mutex.h:100
int lock_debug
Definition: janus-cfgconv.c:38
GMutex janus_mutex
Janus mutex implementation.
Definition: mutex.h:73