1 /* 2 * Copyright (C) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "lock.h" 17 18 #include "pthread.h" 19 20 static pthread_mutex_t g_mutex = PTHREAD_MUTEX_INITIALIZER; 21 GlobalLock(void)22void GlobalLock(void) 23 { 24 (void)pthread_mutex_lock(&g_mutex); 25 } 26 GlobalUnLock(void)27void GlobalUnLock(void) 28 { 29 (void)pthread_mutex_unlock(&g_mutex); 30 }