/* Used in RL to get win/lin portability, and in SG when CONTEXT_THREAD */
/* in SG, when using HAVE_UCONTEXT_CONTEXTS, xbt_os_thread_stub is used instead */
-/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2019. 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. */
typedef struct xbt_os_thread_ {
pthread_t t;
- char *name;
void *param;
pvoid_f_pvoid_t start_routine;
- void *extra_data;
} s_xbt_os_thread_t;
static xbt_os_thread_t main_thread = NULL;
/* thread-specific data containing the xbt_os_thread_t structure */
-static pthread_key_t xbt_self_thread_key;
static int thread_mod_inited = 0;
/* defaults attribute for pthreads */
-//FIXME: find where to put this
static pthread_attr_t thread_attr;
/* frees the xbt_os_thread_t corresponding to the current thread */
{
if (thread == main_thread) /* just killed main thread */
main_thread = NULL;
- free(thread->name);
free(thread);
}
if (thread_mod_inited)
return;
- int errcode = pthread_key_create(&xbt_self_thread_key, NULL);
- xbt_assert(errcode == 0, "pthread_key_create failed for xbt_self_thread_key");
-
main_thread = xbt_new(s_xbt_os_thread_t, 1);
- main_thread->name = NULL;
- main_thread->name = xbt_strdup("main");
main_thread->param = NULL;
main_thread->start_routine = NULL;
- main_thread->extra_data = NULL;
-
- 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)");
pthread_attr_init(&thread_attr);
void xbt_os_thread_mod_postexit(void)
{
- /* FIXME: don't try to free our key on shutdown.
- Valgrind detects no leak if we don't, and whine if we try to */
- // int errcode;
-
- // 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->name);
free(main_thread);
main_thread = NULL;
thread_mod_inited = 0;
{
xbt_os_thread_t t = s;
- int errcode = pthread_setspecific(xbt_self_thread_key, t);
- xbt_assert(errcode == 0, "pthread_setspecific failed for xbt_self_thread_key");
-
return t->start_routine(t->param);
}
-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 xbt_os_thread_create(pvoid_f_pvoid_t start_routine, void* param)
{
xbt_os_thread_t res_thread = xbt_new(s_xbt_os_thread_t, 1);
- res_thread->name = xbt_strdup(name);
res_thread->start_routine = start_routine;
res_thread->param = param;
- res_thread->extra_data = extra_data;
int errcode = pthread_create(&(res_thread->t), &thread_attr, wrapper_start_routine, res_thread);
xbt_assert(errcode == 0, "pthread_create failed: %s", strerror(errcode));
#endif
}
-const char *xbt_os_thread_self_name(void)
-{
- xbt_os_thread_t me = xbt_os_thread_self();
- return me ? (const char *)me->name : "main";
-}
-
void xbt_os_thread_join(xbt_os_thread_t thread, void **thread_return)
{
int errcode = pthread_join(thread->t, thread_return);
pthread_exit(retval);
}
-xbt_os_thread_t xbt_os_thread_self(void )
-{
- if (!thread_mod_inited)
- return NULL;
-
- return pthread_getspecific(xbt_self_thread_key);
-}
-
/****** mutex related functions ******/
typedef struct xbt_os_mutex_ {
pthread_mutex_t m;
xbt_assert(errcode == 0, "pthread_mutex_destroy(%p) failed: %s", mutex, strerror(errcode));
free(mutex);
}
-
-void xbt_os_thread_set_extra_data(void *data)
-{
- xbt_os_thread_self()->extra_data = data;
-}
-
-void *xbt_os_thread_get_extra_data(void)
-{
- xbt_os_thread_t thread = xbt_os_thread_self();
- return thread ? thread->extra_data : NULL;
-}