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

53 lines
1.6 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/>.
*/
#define _DEFAULT_SOURCE
#include "tthread.h"
TdThread* taosCreateThread(void* (*__start_routine)(void*), void* param) {
TdThread* pthread = (TdThread*)taosMemoryMalloc(sizeof(TdThread));
TdThreadAttr thattr;
taosThreadAttrInit(&thattr);
taosThreadAttrSetDetachState(&thattr, PTHREAD_CREATE_JOINABLE);
int32_t ret = taosThreadCreate(pthread, &thattr, __start_routine, param);
taosThreadAttrDestroy(&thattr);
if (ret != 0) {
taosMemoryFree(pthread);
return NULL;
}
return pthread;
}
bool taosDestroyThread(TdThread* pthread) {
if (pthread == NULL) return false;
if (taosThreadRunning(pthread)) {
taosThreadCancel(*pthread);
taosThreadJoin(*pthread, NULL);
}
taosMemoryFree(pthread);
return true;
}
bool taosThreadRunning(TdThread* pthread) {
if (pthread == NULL) return false;
int32_t ret = taosThreadKill(*pthread, 0);
if (ret == ESRCH) return false;
if (ret == EINVAL) return false;
// alive
return true;
}