/* This is the real life implementation, using xbt_os_thread to be portable */
/* to windows and linux. */
-/* Copyright 2006,2007 Malek Cherier, Martin Quinson
+/* Copyright 2006,2007 Malek Cherier, Martin Quinson
* All right reserved. */
/* This program is free software; you can redistribute it and/or modify it
/* the implementation would be cleaner (and faster) with ELF symbol aliasing */
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_sync_rl,xbt,"Synchronization mechanism (RL)");
-typedef struct s_xbt_thread_ {
- xbt_os_thread_t os_thread;
- void_f_pvoid_t code;
- void *userparam;
+typedef struct s_xbt_thread_ {
+ xbt_os_thread_t os_thread;
+ void_f_pvoid_t code;
+ void *userparam;
}s_xbt_thread_t;
-static void *xbt_thread_create_wrapper(void *p) {
- xbt_thread_t t = (xbt_thread_t)p;
- DEBUG1("I'm thread %p",p);
- (*t->code)(t->userparam);
- return NULL;
+static void *xbt_thread_create_wrapper(void *p) {
+ xbt_thread_t t = (xbt_thread_t)p;
+ DEBUG1("I'm thread %p",p);
+ (*t->code)(t->userparam);
+ return NULL;
}
xbt_thread_t xbt_thread_create(const char*name,void_f_pvoid_t code, void* param) {
- xbt_thread_t res = xbt_new0(s_xbt_thread_t,1);
- res->userparam = param;
- res->code = code;
- DEBUG1("Create thread %p",res);
- res->os_thread = xbt_os_thread_create(name,xbt_thread_create_wrapper,res);
- return res;
+ xbt_thread_t res = xbt_new0(s_xbt_thread_t,1);
+ res->userparam = param;
+ res->code = code;
+ DEBUG1("Create thread %p",res);
+ res->os_thread = xbt_os_thread_create(name,xbt_thread_create_wrapper,res);
+ return res;
}
const char* xbt_thread_name(xbt_thread_t t) {
- return xbt_os_thread_name(t->os_thread);
+ return xbt_os_thread_name(t->os_thread);
}
const char* xbt_thread_self_name(void) {
- return xbt_os_thread_self_name();
+ return xbt_os_thread_self_name();
}
-void
+void
xbt_thread_join(xbt_thread_t thread) {
- DEBUG1("Join thread %p",thread);
- xbt_os_thread_join( thread->os_thread, NULL );
-}
+ DEBUG1("Join thread %p",thread);
+ xbt_os_thread_join( thread->os_thread, NULL );
+}
void xbt_thread_exit() {
- DEBUG0("Thread exits");
- xbt_os_thread_exit(NULL);
+ DEBUG0("Thread exits");
+ xbt_os_thread_exit(NULL);
}
xbt_thread_t xbt_thread_self(void) {
- return (xbt_thread_t)xbt_os_thread_self();
+ return (xbt_thread_t)xbt_os_thread_self();
}
void xbt_thread_yield(void) {
- DEBUG0("Thread yields");
- xbt_os_thread_yield();
+ DEBUG0("Thread yields");
+ xbt_os_thread_yield();
}
void xbt_thread_cancel(xbt_thread_t t) {
- DEBUG1("Cancel thread %p",t);
- xbt_os_thread_cancel(t->os_thread);
+ DEBUG1("Cancel thread %p",t);
+ xbt_os_thread_cancel(t->os_thread);
}
/****** mutex related functions ******/
struct xbt_mutex_ {
- /* KEEP IT IN SYNC WITH OS IMPLEMENTATION (both win and lin) */
-#ifdef HAVE_PTHREAD_H
- pthread_mutex_t m;
+ /* KEEP IT IN SYNC WITH OS IMPLEMENTATION (both win and lin) */
+#ifdef HAVE_PTHREAD_H
+ pthread_mutex_t m;
#elif defined(WIN32)
- CRITICAL_SECTION lock;
-#endif
+ CRITICAL_SECTION lock;
+#endif
};
xbt_mutex_t xbt_mutex_init(void) {
- xbt_mutex_t res = (xbt_mutex_t)xbt_os_mutex_init();
- DEBUG1("Create mutex %p", res);
- return res;
+ xbt_mutex_t res = (xbt_mutex_t)xbt_os_mutex_init();
+ DEBUG1("Create mutex %p", res);
+ return res;
}
void xbt_mutex_acquire(xbt_mutex_t mutex) {
- DEBUG1("Acquire mutex %p", mutex);
- xbt_os_mutex_acquire( (xbt_os_mutex_t)mutex );
+ DEBUG1("Acquire mutex %p", mutex);
+ xbt_os_mutex_acquire( (xbt_os_mutex_t)mutex );
}
void xbt_mutex_timedacquire(xbt_mutex_t mutex, double delay)
{
- DEBUG2("Acquire mutex %p with delay %lf", mutex,delay);
- xbt_os_mutex_timedacquire( (xbt_os_mutex_t)mutex,delay );
+ DEBUG2("Acquire mutex %p with delay %lf", mutex,delay);
+ xbt_os_mutex_timedacquire( (xbt_os_mutex_t)mutex,delay );
}
void xbt_mutex_release(xbt_mutex_t mutex) {
- DEBUG1("Unlock mutex %p", mutex);
- xbt_os_mutex_release( (xbt_os_mutex_t)mutex );
+ DEBUG1("Unlock mutex %p", mutex);
+ xbt_os_mutex_release( (xbt_os_mutex_t)mutex );
}
void xbt_mutex_destroy(xbt_mutex_t mutex) {
- DEBUG1("Destroy mutex %p", mutex);
- xbt_os_mutex_destroy( (xbt_os_mutex_t)mutex );
+ DEBUG1("Destroy mutex %p", mutex);
+ xbt_os_mutex_destroy( (xbt_os_mutex_t)mutex );
}
#ifdef WIN32
- enum { /* KEEP IT IN SYNC WITH OS IMPLEM */
- SIGNAL = 0,
- BROADCAST = 1,
- MAX_EVENTS = 2
- };
+enum { /* KEEP IT IN SYNC WITH OS IMPLEM */
+ SIGNAL = 0,
+ BROADCAST = 1,
+ MAX_EVENTS = 2
+};
#endif
/***** condition related functions *****/
typedef struct xbt_cond_ {
- /* KEEP IT IN SYNC WITH OS IMPLEMENTATION (both win and lin) */
-#ifdef HAVE_PTHREAD_H
- pthread_cond_t c;
-#elif defined(WIN32)
- HANDLE events[MAX_EVENTS];
-
- unsigned int waiters_count; /* the number of waiters */
- CRITICAL_SECTION waiters_count_lock; /* protect access to waiters_count */
+ /* KEEP IT IN SYNC WITH OS IMPLEMENTATION (both win and lin) */
+#ifdef HAVE_PTHREAD_H
+ pthread_cond_t c;
+#elif defined(WIN32)
+ HANDLE events[MAX_EVENTS];
+
+ unsigned int waiters_count; /* the number of waiters */
+ CRITICAL_SECTION waiters_count_lock; /* protect access to waiters_count */
#endif
} s_xbt_cond_t;
xbt_cond_t xbt_cond_init(void) {
- xbt_cond_t res = (xbt_cond_t) xbt_os_cond_init();
- DEBUG1("Create cond %p", res);
- return res;
+ xbt_cond_t res = (xbt_cond_t) xbt_os_cond_init();
+ DEBUG1("Create cond %p", res);
+ return res;
}
void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex) {
- DEBUG2("Wait cond %p, mutex %p", cond, mutex);
- xbt_os_cond_wait( (xbt_os_cond_t)cond, (xbt_os_mutex_t)mutex );
+ DEBUG2("Wait cond %p, mutex %p", cond, mutex);
+ xbt_os_cond_wait( (xbt_os_cond_t)cond, (xbt_os_mutex_t)mutex );
}
void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay) {
- DEBUG3("Wait cond %p, mutex %p for %f sec", cond, mutex,delay);
- xbt_os_cond_timedwait( (xbt_os_cond_t)cond, (xbt_os_mutex_t)mutex, delay );
- DEBUG3("Done waiting cond %p, mutex %p for %f sec", cond, mutex, delay);
+ DEBUG3("Wait cond %p, mutex %p for %f sec", cond, mutex,delay);
+ xbt_os_cond_timedwait( (xbt_os_cond_t)cond, (xbt_os_mutex_t)mutex, delay );
+ DEBUG3("Done waiting cond %p, mutex %p for %f sec", cond, mutex, delay);
}
void xbt_cond_signal(xbt_cond_t cond) {
- DEBUG1("Signal cond %p", cond);
- xbt_os_cond_signal( (xbt_os_cond_t)cond );
+ DEBUG1("Signal cond %p", cond);
+ xbt_os_cond_signal( (xbt_os_cond_t)cond );
}
-
+
void xbt_cond_broadcast(xbt_cond_t cond){
- DEBUG1("Broadcast cond %p", cond);
- xbt_os_cond_broadcast( (xbt_os_cond_t)cond );
+ DEBUG1("Broadcast cond %p", cond);
+ xbt_os_cond_broadcast( (xbt_os_cond_t)cond );
}
void xbt_cond_destroy(xbt_cond_t cond){
- DEBUG1("Destroy cond %p", cond);
- xbt_os_cond_destroy( (xbt_os_cond_t)cond );
+ DEBUG1("Destroy cond %p", cond);
+ xbt_os_cond_destroy( (xbt_os_cond_t)cond );
}
