github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/configuration/config_manager/signal.go (about) 1 /* 2 Copyright (C) 2022-2023 ApeCloud Co., Ltd 3 4 This file is part of KubeBlocks project 5 6 This program is free software: you can redistribute it and/or modify 7 it under the terms of the GNU Affero General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU Affero General Public License for more details. 15 16 You should have received a copy of the GNU Affero General Public License 17 along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 package configmanager 21 22 import ( 23 "fmt" 24 "os" 25 ) 26 27 type PID int32 28 29 const ( 30 InvalidPID PID = 0 31 ) 32 33 func sendSignal(pid PID, sig os.Signal) error { 34 process, err := os.FindProcess(int(pid)) 35 if err != nil { 36 return err 37 } 38 39 logger.Info(fmt.Sprintf("send signal:%s to process[%d]", sig.String(), pid)) 40 err = process.Signal(sig) 41 if err != nil { 42 return err 43 } 44 45 return nil 46 }