+++ /dev/null
-/* 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 (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. */
-
-#include "xbt/sysdep.h"
-#include "xbt/ex.h"
-#include "portable.h"
-
-#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;
-}
-
-
-xbt_thread_t xbt_thread_create(const char *name, void_f_pvoid_t code,
- void *param, int joinable)
-{
-
- 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);
-}
-
-const char *xbt_thread_self_name(void)
-{
- return xbt_os_thread_self_name();
-}
-
-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_exit()
-{
- XBT_DEBUG("Thread exits");
- xbt_os_thread_exit(NULL);
-}
-
-xbt_thread_t xbt_thread_self(void)
-{
- return (xbt_thread_t) xbt_os_thread_self();
-}
-
-void xbt_thread_yield(void)
-{
- XBT_DEBUG("Thread yields");
- 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(_XBT_WIN32)
- CRITICAL_SECTION lock;
-#endif
-};
-
-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_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_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_DEBUG("Destroy mutex %p", mutex);
- xbt_os_mutex_destroy((xbt_os_mutex_t) mutex);
-}
-
-#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(_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)
-{
- 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_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_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_DEBUG("Signal cond %p", cond);
- xbt_os_cond_signal((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_DEBUG("Destroy cond %p", cond);
- xbt_os_cond_destroy((xbt_os_cond_t) cond);
-}
