X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/44ca997a01460e17c9affb8fd4915daf91c439d5..3676269c65359df0174fd13b6c11687992437df8:/src/xbt/xbt_rl_synchro.c

diff --git a/src/xbt/xbt_rl_synchro.c b/src/xbt/xbt_rl_synchro.c
index 9c6bde4530..c33b03e554 100644
--- a/src/xbt/xbt_rl_synchro.c
+++ b/src/xbt/xbt_rl_synchro.c
@@ -1,13 +1,11 @@
-/* $Id$ */
-
 /* xbt_synchro -- Synchronization virtualized depending on whether we are   */
 /*                in simulation or real life (act on simulated processes)   */
 
 /* This is the real life implementation, using xbt_os_thread to be portable */
 /* to windows and linux.                                                    */
 
-/* Copyright 2006,2007 Malek Cherier, Martin Quinson          
- * All right reserved.                                                      */
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -16,116 +14,177 @@
 #include "xbt/ex.h"
 #include "portable.h"
 
-#include "xbt/synchro.h"       /* This module */
-#include "xbt/xbt_os_thread.h" /* The implementation we use */
+#include "xbt/xbt_os_thread.h"  /* The implementation we use */
 
 /* the implementation would be cleaner (and faster) with ELF symbol aliasing */
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_sync, xbt,
+                                "Synchronization mechanism");
+
+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;
+  XBT_DEBUG("I'm thread %p", p);
+  t->code(t->userparam);
+  return NULL;
+}
 
 
-typedef struct s_xbt_thread_ {   
-   xbt_os_thread_t os_thread;
-   void_f_pvoid_t *code;
-   void *userparam;   
-}s_xbt_thread_t;
+xbt_thread_t xbt_thread_create(const char *name, void_f_pvoid_t code,
+                               void *param, int joinable)
+{
 
-static void *xbt_thread_create_wrapper(void *p)  {   
-   xbt_thread_t t = (xbt_thread_t)p;
-   (*t->code)(t->userparam);
-   return NULL;
+  xbt_thread_t res = xbt_new0(s_xbt_thread_t, 1);
+  res->userparam = param;
+  res->code = code;
+  XBT_DEBUG("Create thread %p", res);
+  res->os_thread =
+      xbt_os_thread_create(name, xbt_thread_create_wrapper, res, NULL);
+  return res;
 }
 
+const char *xbt_thread_name(xbt_thread_t t)
+{
+  return xbt_os_thread_name(t->os_thread);
+}
 
-xbt_thread_t xbt_thread_create(void_f_pvoid_t* code, void* param) {
+const char *xbt_thread_self_name(void)
+{
+  return xbt_os_thread_self_name();
+}
 
-   xbt_thread_t res = xbt_new0(s_xbt_thread_t,1);
-   res->userparam = param;
-   res->code = code;
-   res->os_thread = xbt_os_thread_create(xbt_thread_create_wrapper,res);
-   return res;
+void xbt_thread_join(xbt_thread_t thread)
+{
+  XBT_DEBUG("Join thread %p", thread);
+  xbt_os_thread_join(thread->os_thread, NULL);
+  xbt_free(thread);
 }
 
-void 
-xbt_thread_join(xbt_thread_t thread) {
-   xbt_os_thread_join( thread->os_thread, NULL );
-}		       
+void xbt_thread_exit()
+{
+  XBT_DEBUG("Thread exits");
+  xbt_os_thread_exit(NULL);
+}
 
-void xbt_thread_exit() {
-   xbt_os_thread_exit(NULL);
+xbt_thread_t xbt_thread_self(void)
+{
+  return (xbt_thread_t) xbt_os_thread_self();
 }
 
-xbt_thread_t xbt_thread_self(void) {
-   return (xbt_thread_t)xbt_os_thread_getparam();
+void xbt_thread_yield(void)
+{
+  XBT_DEBUG("Thread yields");
+  xbt_os_thread_yield();
 }
 
-void xbt_thread_yield(void) {
-   xbt_os_thread_yield();
+void xbt_thread_cancel(xbt_thread_t t)
+{
+  XBT_DEBUG("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;
-#elif defined(WIN32)
-   CRITICAL_SECTION lock;   
-#endif   
+  /* KEEP IT IN SYNC WITH OS IMPLEMENTATION (both win and lin) */
+#ifdef HAVE_PTHREAD_H
+  pthread_mutex_t m;
+#elif defined(_XBT_WIN32)
+  CRITICAL_SECTION lock;
+#endif
 };
 
-xbt_mutex_t xbt_mutex_init(void) {
-   return (xbt_mutex_t)xbt_os_mutex_init();
+xbt_mutex_t xbt_mutex_init(void)
+{
+  xbt_mutex_t res = (xbt_mutex_t) xbt_os_mutex_init();
+  XBT_DEBUG("Create mutex %p", res);
+  return res;
+}
+
+void xbt_mutex_acquire(xbt_mutex_t mutex)
+{
+  XBT_DEBUG("Acquire mutex %p", mutex);
+  xbt_os_mutex_acquire((xbt_os_mutex_t) mutex);
 }
 
-void xbt_mutex_lock(xbt_mutex_t mutex) {
-   xbt_os_mutex_lock( (xbt_os_mutex_t)mutex );
+void xbt_mutex_timedacquire(xbt_mutex_t mutex, double delay)
+{
+  XBT_DEBUG("Acquire mutex %p with delay %lf", mutex, delay);
+  xbt_os_mutex_timedacquire((xbt_os_mutex_t) mutex, delay);
 }
 
-void xbt_mutex_unlock(xbt_mutex_t mutex) {
-   xbt_os_mutex_unlock( (xbt_os_mutex_t)mutex );
+void xbt_mutex_release(xbt_mutex_t mutex)
+{
+  XBT_DEBUG("Unlock mutex %p", mutex);
+  xbt_os_mutex_release((xbt_os_mutex_t) mutex);
 }
 
-void xbt_mutex_destroy(xbt_mutex_t mutex) {
-   xbt_os_mutex_destroy( (xbt_os_mutex_t)mutex );
+void xbt_mutex_destroy(xbt_mutex_t mutex)
+{
+  XBT_DEBUG("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
- };
+#ifdef _XBT_WIN32
+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(_XBT_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) {
-   return (xbt_cond_t) xbt_os_cond_init();
+xbt_cond_t xbt_cond_init(void)
+{
+  xbt_cond_t res = (xbt_cond_t) xbt_os_cond_init();
+  XBT_DEBUG("Create cond %p", res);
+  return res;
 }
 
-void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex) {
-   xbt_os_cond_wait( (xbt_os_cond_t)cond, (xbt_os_mutex_t)mutex );
+void xbt_cond_wait(xbt_cond_t cond, xbt_mutex_t mutex)
+{
+  XBT_DEBUG("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) {
-   xbt_os_cond_timedwait( (xbt_os_cond_t)cond, (xbt_os_mutex_t)mutex, delay );
+void xbt_cond_timedwait(xbt_cond_t cond, xbt_mutex_t mutex, double delay)
+{
+  XBT_DEBUG("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);
+  XBT_DEBUG("Done waiting cond %p, mutex %p for %f sec", cond, mutex, delay);
 }
 
-void xbt_cond_signal(xbt_cond_t cond) {
-   xbt_os_cond_signal( (xbt_os_cond_t)cond );
+void xbt_cond_signal(xbt_cond_t cond)
+{
+  XBT_DEBUG("Signal cond %p", cond);
+  xbt_os_cond_signal((xbt_os_cond_t) cond);
 }
-	 
-void xbt_cond_broadcast(xbt_cond_t cond){
-   xbt_os_cond_broadcast( (xbt_os_cond_t)cond );
+
+void xbt_cond_broadcast(xbt_cond_t cond)
+{
+  XBT_DEBUG("Broadcast cond %p", cond);
+  xbt_os_cond_broadcast((xbt_os_cond_t) cond);
 }
-void xbt_cond_destroy(xbt_cond_t cond){
-   xbt_os_cond_destroy( (xbt_os_cond_t)cond );
+
+void xbt_cond_destroy(xbt_cond_t cond)
+{
+  XBT_DEBUG("Destroy cond %p", cond);
+  xbt_os_cond_destroy((xbt_os_cond_t) cond);
 }