homework-jianmu/source/util/src/tthread.c

62 lines
1.7 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "os.h"
#include "tthread.h"
#include "tdef.h"
#include "tutil.h"
#include "ulog.h"
#include "taoserror.h"
// create new thread
pthread_t* taosCreateThread( void *(*__start_routine) (void *), void* param) {
pthread_t* pthread = (pthread_t*)malloc(sizeof(pthread_t));
pthread_attr_t thattr;
pthread_attr_init(&thattr);
pthread_attr_setdetachstate(&thattr, PTHREAD_CREATE_JOINABLE);
int32_t ret = pthread_create(pthread, &thattr, __start_routine, param);
pthread_attr_destroy(&thattr);
if (ret != 0) {
free(pthread);
return NULL;
}
return pthread;
}
// destory thread
bool taosDestoryThread(pthread_t* pthread) {
if(pthread == NULL) return false;
if(taosThreadRunning(pthread)) {
pthread_cancel(*pthread);
pthread_join(*pthread, NULL);
}
free(pthread);
return true;
}
// thread running return true
bool taosThreadRunning(pthread_t* pthread) {
if(pthread == NULL) return false;
int ret = pthread_kill(*pthread, 0);
if(ret == ESRCH)
return false;
if(ret == EINVAL)
return false;
// alive
return true;
}