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[loba.git] / synchro.h
1 #ifndef SYNCHRO_H
2 #define SYNCHRO_H
3
4 #include <xbt/synchro.h>
5
6 class mutex_t {
7 public:
8     mutex_t()                   { mutex = xbt_mutex_init(); }
9     ~mutex_t()                  { xbt_mutex_destroy(mutex); }
10     void acquire()              { xbt_mutex_acquire(mutex); }
11     void release()              { xbt_mutex_release(mutex); }
12
13 private:
14     xbt_mutex_t mutex;
15
16     friend class condition_t;
17 };
18
19 class condition_t {
20 public:
21     condition_t()               { cond = xbt_cond_init();           }
22     ~condition_t()              { xbt_cond_destroy(cond);           }
23     void broadcast()            { xbt_cond_broadcast(cond);         }
24     void signal()               { xbt_cond_signal(cond);            }
25     void wait(mutex_t& mutex)   { xbt_cond_wait(cond, mutex.mutex); }
26     bool timedwait(mutex_t& mutex, double delay) {
27         if (xbt_cond_timedwait(cond, mutex.mutex, delay)) {
28             mutex.acquire();
29             return false;       // got a timeout
30         }
31         return true;
32     }
33
34 private:
35     xbt_cond_t cond;
36 };
37
38 #endif // !SYNCHRO_H
39
40 // Local variables:
41 // mode: c++
42 // End: