d7fba60de8
Argobots/Qthreads-aware libevent should be used instead. Signed-off-by: Shintaro Iwasaki <siwasaki@anl.gov>
140 строки
4.3 KiB
C
140 строки
4.3 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007-2018 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2015-2016 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2019 Sandia National Laboratories. All rights reserved.
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*
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include <unistd.h>
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#include "opal/constants.h"
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#include "opal/util/sys_limits.h"
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#include "opal/util/output.h"
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#include "opal/prefetch.h"
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#include "opal/mca/threads/threads.h"
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#include "opal/mca/threads/tsd.h"
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struct opal_tsd_key_value {
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opal_tsd_key_t key;
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opal_tsd_destructor_t destructor;
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};
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static opal_mutex_t opal_tsd_lock = OPAL_MUTEX_STATIC_INIT;
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static struct opal_tsd_key_value *opal_tsd_key_values = NULL;
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static int opal_tsd_key_values_count = 0;
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static int opal_tsd_key_values_size = 0;
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/*
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* Constructor
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*/
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static void opal_thread_construct(opal_thread_t *t)
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{
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t->t_run = 0;
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t->t_handle = (pthread_t)-1;
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}
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OBJ_CLASS_INSTANCE(opal_thread_t,
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opal_object_t,
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opal_thread_construct, NULL);
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int opal_thread_start(opal_thread_t *t)
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{
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int rc;
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if (OPAL_ENABLE_DEBUG) {
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if (NULL == t->t_run || (pthread_t)-1 != t->t_handle) {
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return OPAL_ERR_BAD_PARAM;
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}
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}
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rc = pthread_create(&t->t_handle, NULL, (void *(*)(void *))t->t_run, t);
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return 0 == rc ? OPAL_SUCCESS : OPAL_ERR_IN_ERRNO;
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}
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int opal_thread_join(opal_thread_t *t, void **thr_return)
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{
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int rc = pthread_join(t->t_handle, thr_return);
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t->t_handle = (pthread_t)-1;
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return 0 == rc ? OPAL_SUCCESS : OPAL_ERR_IN_ERRNO;
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}
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bool opal_thread_self_compare(opal_thread_t *t)
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{
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return pthread_self() == t->t_handle;
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}
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opal_thread_t *opal_thread_get_self(void)
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{
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opal_thread_t *t = OBJ_NEW(opal_thread_t);
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t->t_handle = pthread_self();
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return t;
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}
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int opal_tsd_key_create(opal_tsd_key_t *key, opal_tsd_destructor_t destructor)
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{
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int rc;
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rc = pthread_key_create(key, destructor);
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if (0 == rc) {
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opal_mutex_lock(&opal_tsd_lock);
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if (opal_tsd_key_values_size <= opal_tsd_key_values_count) {
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opal_tsd_key_values_size = opal_tsd_key_values_size == 0
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? 1 : opal_tsd_key_values_size * 2;
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opal_tsd_key_values = (struct opal_tsd_key_value *)
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realloc(opal_tsd_key_values, opal_tsd_key_values_size *
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sizeof(struct opal_tsd_key_value));
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}
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opal_tsd_key_values[opal_tsd_key_values_count].key = *key;
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opal_tsd_key_values[opal_tsd_key_values_count].destructor = destructor;
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opal_tsd_key_values_count++;
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opal_mutex_unlock(&opal_tsd_lock);
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}
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return 0 == rc ? OPAL_SUCCESS : OPAL_ERR_IN_ERRNO;
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}
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int opal_tsd_keys_destruct(void)
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{
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int i;
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void *ptr;
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opal_mutex_lock(&opal_tsd_lock);
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for (i = 0; i < opal_tsd_key_values_count; i++) {
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if (OPAL_SUCCESS ==
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opal_tsd_getspecific(opal_tsd_key_values[i].key, &ptr)) {
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if (NULL != opal_tsd_key_values[i].destructor) {
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opal_tsd_key_values[i].destructor(ptr);
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opal_tsd_setspecific(opal_tsd_key_values[i].key, NULL);
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}
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}
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}
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if (0 < opal_tsd_key_values_count) {
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free(opal_tsd_key_values);
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opal_tsd_key_values = NULL;
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opal_tsd_key_values_count = 0;
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opal_tsd_key_values_size = 0;
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}
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opal_mutex_unlock(&opal_tsd_lock);
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return OPAL_SUCCESS;
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}
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void opal_thread_set_main(void)
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{
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}
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