/* 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 "gras_config.h"
#include "xbt/sysdep.h"
#include "xbt/ex.h"
#include "xbt/ex_interface.h" /* We play crude games with exceptions */
typedef struct xbt_os_thread_ {
pthread_t t;
+ int detached;
char *name;
void *param;
pvoid_f_pvoid_t start_routine;
- ex_ctx_t *exception;
+ xbt_running_ctx_t *running_ctx;
+ void *extra_data;
} s_xbt_os_thread_t;
static xbt_os_thread_t main_thread = NULL;
static int thread_mod_inited = 0;
/* frees the xbt_os_thread_t corresponding to the current thread */
-static void xbt_os_thread_free_thread_data(void *d)
+static void xbt_os_thread_free_thread_data(xbt_os_thread_t thread)
{
- free(d);
+ if (thread == main_thread) /* just killed main thread */
+ main_thread = NULL;
+
+ free(thread->running_ctx);
+ free(thread->name);
+ free(thread);
}
/* callback: context fetching */
-static ex_ctx_t *_os_thread_ex_ctx(void)
+static xbt_running_ctx_t *_os_thread_get_running_ctx(void)
{
- return xbt_os_thread_self()->exception;
+ return xbt_os_thread_self()->running_ctx;
}
/* callback: termination */
if ((errcode = pthread_key_create(&xbt_self_thread_key, NULL)))
THROW0(system_error, errcode,
"pthread_key_create failed for xbt_self_thread_key");
-
+
main_thread = xbt_new(s_xbt_os_thread_t, 1);
main_thread->name = (char *) "main";
main_thread->start_routine = NULL;
main_thread->param = NULL;
- main_thread->exception = xbt_new(ex_ctx_t, 1);
- XBT_CTX_INITIALIZE(main_thread->exception);
+ main_thread->running_ctx = xbt_new(xbt_running_ctx_t, 1);
+ XBT_RUNNING_CTX_INITIALIZE(main_thread->running_ctx);
- __xbt_ex_ctx = _os_thread_ex_ctx;
+ if ((errcode = pthread_setspecific(xbt_self_thread_key, main_thread)))
+ THROW0(system_error, errcode,
+ "pthread_setspecific failed for xbt_self_thread_key");
+
+
+ __xbt_running_ctx_fetch = _os_thread_get_running_ctx;
__xbt_ex_terminate = _os_thread_ex_terminate;
thread_mod_inited = 1;
-#ifndef HAVE_SEM_WAIT
+#ifndef HAVE_SEM_INIT
next_sem_ID_lock = xbt_os_mutex_init();
#endif
// if ((errcode=pthread_key_delete(xbt_self_thread_key)))
// THROW0(system_error,errcode,"pthread_key_delete failed for xbt_self_thread_key");
- free(main_thread->exception);
+ free(main_thread->running_ctx);
free(main_thread);
main_thread = NULL;
thread_mod_inited = 0;
-#ifndef HAVE_SEM_WAIT
+#ifndef HAVE_SEM_INIT
xbt_os_mutex_destroy(next_sem_ID_lock);
#endif
/* Restore the default exception setup */
- __xbt_ex_ctx = &__xbt_ex_ctx_default;
+ __xbt_running_ctx_fetch = &__xbt_ex_ctx_default;
__xbt_ex_terminate = &__xbt_ex_terminate_default;
}
+int xbt_os_thread_atfork(void (*prepare)(void),
+ void (*parent)(void), void (*child)(void))
+{
+ return pthread_atfork(prepare, parent, child);
+}
+
static void *wrapper_start_routine(void *s)
{
xbt_os_thread_t t = s;
THROW0(system_error, errcode,
"pthread_setspecific failed for xbt_self_thread_key");
- return (*(t->start_routine)) (t->param);
+ void *res = (*(t->start_routine)) (t->param);
+ if (t->detached)
+ xbt_os_thread_free_thread_data(t);
+ return res;
}
xbt_os_thread_t xbt_os_thread_create(const char *name,
pvoid_f_pvoid_t start_routine,
- void *param)
+ void *param,
+ void *extra_data)
{
int errcode;
xbt_os_thread_t res_thread = xbt_new(s_xbt_os_thread_t, 1);
+ res_thread->detached = 0;
res_thread->name = xbt_strdup(name);
res_thread->start_routine = start_routine;
res_thread->param = param;
- res_thread->exception = xbt_new(ex_ctx_t, 1);
- XBT_CTX_INITIALIZE(res_thread->exception);
-
+ 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;
+
if ((errcode = pthread_create(&(res_thread->t), NULL,
wrapper_start_routine, res_thread)))
THROW1(system_error, errcode,
if ((errcode = pthread_join(thread->t, thread_return)))
THROW1(system_error, errcode, "pthread_join failed: %s",
strerror(errcode));
- if (thread->exception)
- free(thread->exception);
-
- if (thread->name)
- free(thread->name);
-
- if (thread == main_thread) /* just killed main thread */
- main_thread = NULL;
-
- free(thread);
+ xbt_os_thread_free_thread_data(thread);
}
void xbt_os_thread_exit(int *retval)
return NULL;
res = pthread_getspecific(xbt_self_thread_key);
- if (!res)
- res = main_thread;
return res;
}
+void xbt_os_thread_detach(xbt_os_thread_t thread)
+{
+ thread->detached = 1;
+ pthread_detach(thread->t);
+}
+
#include <sched.h>
void xbt_os_thread_yield(void)
{
ts_end.tv_sec = (time_t) floor(end);
ts_end.tv_nsec = (long) ((end - ts_end.tv_sec) * 1000000000);
- DEBUG2("pthread_mutex_timedlock(%p,%p)", &(mutex->m), &ts_end);
+ XBT_DEBUG("pthread_mutex_timedlock(%p,%p)", &(mutex->m), &ts_end);
errcode = pthread_mutex_timedlock(&(mutex->m), &ts_end);
} else {
ts_end.tv_sec = (time_t) floor(end);
ts_end.tv_nsec = (long) ((end - ts_end.tv_sec) * 1000000000);
- DEBUG3("pthread_cond_timedwait(%p,%p,%p)", &(cond->c), &(mutex->m),
+ XBT_DEBUG("pthread_cond_timedwait(%p,%p,%p)", &(cond->c), &(mutex->m),
&ts_end);
switch ((errcode =
pthread_cond_timedwait(&(cond->c), &(mutex->m), &ts_end))) {
#else /* damn, no sem_init(). Reimplement it */
xbt_os_mutex_acquire(next_sem_ID_lock);
- res->name = bprintf("/%d.%d", (*xbt_getpid) (), ++next_sem_ID);
+ res->name = bprintf("/%d", ++next_sem_ID);
xbt_os_mutex_release(next_sem_ID_lock);
res->ps = sem_open(res->name, O_CREAT, 0644, value);
ts_end.tv_sec = (time_t) floor(end);
ts_end.tv_nsec = (long) ((end - ts_end.tv_sec) * 1000000000);
- DEBUG2("sem_timedwait(%p,%p)", sem->ps, &ts_end);
+ XBT_DEBUG("sem_timedwait(%p,%p)", sem->ps, &ts_end);
errcode = sem_timedwait(sem->s, &ts_end);
#else /* Okay, reimplement this function then */
unsigned long id; /* the win thread id */
pvoid_f_pvoid_t start_routine;
void *param;
+ void *extra_data;
} s_xbt_os_thread_t;
/* so we can specify the size of the stack of the threads */
"TlsFree() failed to cleanup the thread submodule");
}
+int xbt_os_thread_atfork(void (*prepare)(void),
+ void (*parent)(void), void (*child)(void))
+{
+ return 0;
+}
+
static DWORD WINAPI wrapper_start_routine(void *s)
{
xbt_os_thread_t t = (xbt_os_thread_t) s;
xbt_os_thread_t xbt_os_thread_create(const char *name,
pvoid_f_pvoid_t start_routine,
- void *param)
+ void *param,
+ void *extra_data)
{
xbt_os_thread_t t = xbt_new(s_xbt_os_thread_t, 1);
t->name = xbt_strdup(name);
t->start_routine = start_routine;
t->param = param;
-
+ t->extra_data = extra_data;
t->handle = CreateThread(NULL, XBT_DEFAULT_THREAD_STACK_SIZE,
(LPTHREAD_START_ROUTINE) wrapper_start_routine,
t, STACK_SIZE_PARAM_IS_A_RESERVATION, &(t->id));
ExitThread(0);
}
+void xbt_os_thread_detach(xbt_os_thread_t thread)
+{
+ THROW_UNIMPLEMENTED;
+}
+
+
xbt_os_thread_t xbt_os_thread_self(void)
{
return TlsGetValue(xbt_self_thread_key);
if (delay < 0) {
xbt_os_cond_wait(cond, mutex);
} else {
- DEBUG3("xbt_cond_timedwait(%p,%p,%lu)", &(cond->events),
+ XBT_DEBUG("xbt_cond_timedwait(%p,%p,%lu)", &(cond->events),
&(mutex->lock), end);
/* lock the threads counter and increment it */
LeaveCriticalSection(&(sem->value_lock));
}
+
#endif
+
+void xbt_os_thread_set_extra_data(void *data)
+{
+ xbt_os_thread_self()->extra_data = data;
+}
+
+void *xbt_os_thread_get_extra_data(void)
+{
+ return xbt_os_thread_self()->extra_data;
+}
