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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2010 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015-2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/threads/threads.h"
#include "opal/threads/tsd.h"
#include "opal/constants.h"
bool opal_debug_threads = false;
static void opal_thread_construct(opal_thread_t *t);
static pthread_t opal_main_thread;
struct opal_tsd_key_value {
opal_tsd_key_t key;
opal_tsd_destructor_t destructor;
};
static struct opal_tsd_key_value *opal_tsd_key_values = NULL;
static int opal_tsd_key_values_count = 0;
OBJ_CLASS_INSTANCE(opal_thread_t,
opal_object_t,
opal_thread_construct, NULL);
/*
* Constructor
*/
static void opal_thread_construct(opal_thread_t *t)
{
t->t_run = 0;
t->t_handle = (pthread_t) -1;
}
int opal_thread_start(opal_thread_t *t)
{
int rc;
if (OPAL_ENABLE_DEBUG) {
if (NULL == t->t_run || t->t_handle != (pthread_t) -1) {
return OPAL_ERR_BAD_PARAM;
}
}
rc = pthread_create(&t->t_handle, NULL, (void*(*)(void*)) t->t_run, t);
return (rc == 0) ? OPAL_SUCCESS : OPAL_ERROR;
}
int opal_thread_join(opal_thread_t *t, void **thr_return)
{
int rc = pthread_join(t->t_handle, thr_return);
t->t_handle = (pthread_t) -1;
return (rc == 0) ? OPAL_SUCCESS : OPAL_ERROR;
}
bool opal_thread_self_compare(opal_thread_t *t)
{
return t->t_handle == pthread_self();
}
opal_thread_t *opal_thread_get_self(void)
{
opal_thread_t *t = OBJ_NEW(opal_thread_t);
t->t_handle = pthread_self();
return t;
}
void opal_thread_kill(opal_thread_t *t, int sig)
{
pthread_kill(t->t_handle, sig);
}
int opal_tsd_key_create(opal_tsd_key_t *key,
opal_tsd_destructor_t destructor)
{
int rc;
rc = pthread_key_create(key, destructor);
if ((0 == rc) && (pthread_self() == opal_main_thread)) {
opal_tsd_key_values = (struct opal_tsd_key_value *)realloc(opal_tsd_key_values, (opal_tsd_key_values_count+1) * sizeof(struct opal_tsd_key_value));
opal_tsd_key_values[opal_tsd_key_values_count].key = *key;
opal_tsd_key_values[opal_tsd_key_values_count].destructor = destructor;
opal_tsd_key_values_count ++;
}
return rc;
}
int opal_tsd_keys_destruct()
{
int i;
void * ptr;
for (i=0; i<opal_tsd_key_values_count; i++) {
if(OPAL_SUCCESS == opal_tsd_getspecific(opal_tsd_key_values[i].key, &ptr)) {
if (NULL != opal_tsd_key_values[i].destructor) {
opal_tsd_key_values[i].destructor(ptr);
opal_tsd_setspecific(opal_tsd_key_values[i].key, NULL);
}
}
}
if (0 < opal_tsd_key_values_count) {
free(opal_tsd_key_values);
opal_tsd_key_values_count = 0;
}
return OPAL_SUCCESS;
}
void opal_thread_set_main() {
opal_main_thread = pthread_self();
}
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