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 #ifndef _SYS_TGKILL_H 17 #define _SYS_TGKILL_H 18 #ifdef __cplusplus 19 extern "C" 20 { 21 #endif 22 /** 23 * @brief send any signal to any process group or process. 24 * @param tgid the group ID of the calling process. 25 * @param tid the thread ID of the calling process. 26 * @param sig the actual signal. 27 * @return tgkill result. 28 * @retval 0 is returned on success. 29 * @retval -1 is returned on failure, and errno is set to indicate the error. 30 */ 31 int tgkill(int tgid, int tid, int sig); 32 33 #ifdef __cplusplus 34 } 35 #endif 36 #endif