Merge branch 'master' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid

[simgrid.git] / src / xbt / xbt_os_thread.c

diff --git a/src/xbt/xbt_os_thread.c b/src/xbt/xbt_os_thread.c
index c697ae7..6208210 100644 (file)
--- a/src/xbt/xbt_os_thread.c
+++ b/src/xbt/xbt_os_thread.c
@@ -9,7 +9,7 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "src/internal_config.h"
-#ifdef HAVE_PTHREAD_SETAFFINITY
+#if HAVE_PTHREAD_SETAFFINITY
 #define _GNU_SOURCE
 #include <sched.h>
 #endif
@@ -25,7 +25,8 @@
 #include <semaphore.h>
 #include <errno.h>
 
-#if defined(WIN32)
+#if defined(_WIN32)
+#include <windows.h>
 #elif defined(__MACH__) && defined(__APPLE__)
 #include <stdint.h>
 #include <sys/types.h>
@@ -36,17 +37,15 @@
 
 #include "xbt/sysdep.h"
 #include "xbt/ex.h"
-#include "src/xbt/ex_interface.h"  /* We play crude games with exceptions */
-#include "src/portable.h"
+#include "src/internal_config.h"
 #include "xbt/xbt_os_time.h"       /* Portable time facilities */
 #include "xbt/xbt_os_thread.h"     /* This module */
 #include "src/xbt_modinter.h"      /* Initialization/finalization of this module */
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_sync_os, xbt, "Synchronization mechanism (OS-level)");
 
-
-/* use named sempahore when sem_init() does not work */
-#ifndef HAVE_SEM_INIT
+/* use named semaphore when sem_init() does not work */
+#if !HAVE_SEM_INIT
 static int next_sem_ID = 0;
 static xbt_os_mutex_t next_sem_ID_lock;
 #endif
@@ -57,7 +56,6 @@ typedef struct xbt_os_thread_ {
   char *name;
   void *param;
   pvoid_f_pvoid_t start_routine;
-  xbt_running_ctx_t *running_ctx;
   void *extra_data;
 } s_xbt_os_thread_t;
 static xbt_os_thread_t main_thread = NULL;
@@ -75,18 +73,10 @@ static void xbt_os_thread_free_thread_data(xbt_os_thread_t thread)
 {
   if (thread == main_thread)    /* just killed main thread */
     main_thread = NULL;
-
-  free(thread->running_ctx);
   free(thread->name);
   free(thread);
 }
 
-/* callback: context fetching */
-static xbt_running_ctx_t *_os_thread_get_running_ctx(void)
-{
-  return xbt_os_thread_self()->running_ctx;
-}
-
 /* callback: termination */
 static void _os_thread_ex_terminate(xbt_ex_t * e)
 {
@@ -109,22 +99,17 @@ void xbt_os_thread_mod_preinit(void)
   main_thread->name = (char *) "main";
   main_thread->param = NULL;
   main_thread->start_routine = NULL;
-  main_thread->running_ctx = xbt_new(xbt_running_ctx_t, 1);
   main_thread->extra_data = NULL;
-  XBT_RUNNING_CTX_INITIALIZE(main_thread->running_ctx);
 
   if ((errcode = pthread_setspecific(xbt_self_thread_key, main_thread)))
     THROWF(system_error, errcode,
            "Impossible to set the SimGrid identity descriptor to the main thread (pthread_setspecific failed)");
-  
-  __xbt_running_ctx_fetch = _os_thread_get_running_ctx;
-  __xbt_ex_terminate = _os_thread_ex_terminate;
 
   pthread_attr_init(&thread_attr);
 
   thread_mod_inited = 1;
 
-#ifndef HAVE_SEM_INIT
+#if !HAVE_SEM_INIT
   next_sem_ID_lock = xbt_os_mutex_init();
 #endif
 }
@@ -137,17 +122,12 @@ void xbt_os_thread_mod_postexit(void)
 
   //   if ((errcode=pthread_key_delete(xbt_self_thread_key)))
   //     THROWF(system_error,errcode,"pthread_key_delete failed for xbt_self_thread_key");
-  free(main_thread->running_ctx);
   free(main_thread);
   main_thread = NULL;
   thread_mod_inited = 0;
-#ifndef HAVE_SEM_INIT
+#if !HAVE_SEM_INIT
   xbt_os_mutex_destroy(next_sem_ID_lock);
 #endif
-
-  /* Restore the default exception setup */
-  __xbt_running_ctx_fetch = &__xbt_ex_ctx_default;
-  __xbt_ex_terminate = &__xbt_ex_terminate_default;
 }
 
 /** Calls pthread_atfork() if present, and raise an exception otherwise.
@@ -176,7 +156,6 @@ static void *wrapper_start_routine(void *s)
   return res;
 }
 
-
 xbt_os_thread_t xbt_os_thread_create(const char *name,  pvoid_f_pvoid_t start_routine, void *param, void *extra_data)
 {
   xbt_os_thread_t res_thread = xbt_new(s_xbt_os_thread_t, 1);
@@ -184,8 +163,6 @@ xbt_os_thread_t xbt_os_thread_create(const char *name,  pvoid_f_pvoid_t start_ro
   res_thread->name = xbt_strdup(name);
   res_thread->start_routine = start_routine;
   res_thread->param = param;
-  res_thread->running_ctx = xbt_new(xbt_running_ctx_t, 1);
-  XBT_RUNNING_CTX_INITIALIZE(res_thread->running_ctx);
   res_thread->extra_data = extra_data;
   
   int errcode = pthread_create(&(res_thread->t), &thread_attr, wrapper_start_routine, res_thread);
@@ -200,7 +177,7 @@ xbt_os_thread_t xbt_os_thread_create(const char *name,  pvoid_f_pvoid_t start_ro
  */
 int xbt_os_thread_bind(xbt_os_thread_t thread, int cpu){
   int errcode = 0;
-#ifdef HAVE_PTHREAD_SETAFFINITY
+#if HAVE_PTHREAD_SETAFFINITY
   pthread_t pthread = thread->t;
   cpu_set_t cpuset;
   CPU_ZERO(&cpuset);
@@ -254,11 +231,6 @@ void xbt_os_thread_setguardsize(int guard_size)
 #endif
 }
 
-const char *xbt_os_thread_name(xbt_os_thread_t t)
-{
-  return t->name;
-}
-
 const char *xbt_os_thread_self_name(void)
 {
   xbt_os_thread_t me = xbt_os_thread_self();
@@ -278,7 +250,7 @@ void xbt_os_thread_exit(int *retval)
   pthread_exit(retval);
 }
 
-xbt_os_thread_t xbt_os_thread_self(void)
+xbt_os_thread_t xbt_os_thread_self(void )
 {
   if (!thread_mod_inited)
     return NULL;
@@ -292,13 +264,14 @@ void xbt_os_thread_key_create(xbt_os_thread_key_t* key)
   xbt_assert(errcode==0 , "pthread_key_create failed");
 }
 
-void xbt_os_thread_set_specific(xbt_os_thread_key_t key, void* value) {
-
+void xbt_os_thread_set_specific(xbt_os_thread_key_t key, void* value)
+{
   int errcode = pthread_setspecific(key, value);
   xbt_assert(errcode==0, "pthread_setspecific failed");
 }
 
-void* xbt_os_thread_get_specific(xbt_os_thread_key_t key) {
+void* xbt_os_thread_get_specific(xbt_os_thread_key_t key)
+{
   return pthread_getspecific(key);
 }
 
@@ -404,7 +377,7 @@ void xbt_os_cond_destroy(xbt_os_cond_t cond)
 }
 
 typedef struct xbt_os_sem_ {
-#ifndef HAVE_SEM_INIT
+#if !HAVE_SEM_INIT
   char *name;
 #endif
   sem_t s;
@@ -423,7 +396,7 @@ xbt_os_sem_t xbt_os_sem_init(unsigned int value)
    * Any attempt to use it leads to ENOSYS (function not implemented).
    * If such a prehistoric system is detected, do the job with sem_open instead
    */
-#ifdef HAVE_SEM_INIT
+#if HAVE_SEM_INIT
   if (sem_init(&(res->s), 0, value) != 0)
     THROWF(system_error, errno, "sem_init() failed: %s", strerror(errno));
   res->ps = &(res->s);
@@ -467,27 +440,17 @@ void xbt_os_sem_release(xbt_os_sem_t sem)
 
 void xbt_os_sem_destroy(xbt_os_sem_t sem)
 {
-#ifdef HAVE_SEM_INIT
+#if HAVE_SEM_INIT
   if (sem_destroy(sem->ps) < 0)
-    THROWF(system_error, errno, "sem_destroy() failed: %s",
-           strerror(errno));
+    THROWF(system_error, errno, "sem_destroy() failed: %s", strerror(errno));
 #else
   if (sem_close(sem->ps) < 0)
     THROWF(system_error, errno, "sem_close() failed: %s", strerror(errno));
   xbt_free(sem->name);
-
 #endif
   xbt_free(sem);
 }
 
-void xbt_os_sem_get_value(xbt_os_sem_t sem, int *svalue)
-{
-  if (sem_getvalue(&(sem->s), svalue) < 0)
-    THROWF(system_error, errno, "sem_getvalue() failed: %s",
-           strerror(errno));
-}
-
-
 /** @brief Returns the amount of cores on the current host */
 int xbt_os_get_numcores(void) {
 #ifdef WIN32