mirror of
https://github.com/openharmony/startup_init_lite.git
synced 2026-07-01 03:23:16 -04:00
zhong_ning
71 lines
1.9 KiB
C
Executable File
71 lines
1.9 KiB
C
Executable File
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <signal.h>
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#include <stdio.h>
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#include <sys/wait.h>
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#include "init_adapter.h"
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#include "init_log.h"
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#include "init_service_manager.h"
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void ReapService(Service *service)
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{
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if (service == NULL) {
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return;
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}
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if (service->attribute & SERVICE_ATTR_IMPORTANT) {
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// important process exit, need to reboot system
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service->pid = -1;
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StopAllServices(0);
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RebootSystem();
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}
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ServiceReap(service);
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}
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static void SigHandler(int sig)
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{
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switch (sig) {
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case SIGCHLD: {
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pid_t sigPID;
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int procStat = 0;
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while (1) {
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sigPID = waitpid(-1, &procStat, WNOHANG);
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if (sigPID <= 0) {
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break;
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}
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CheckWaitPid(sigPID);
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ReapService(GetServiceByPid(sigPID));
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}
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break;
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}
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case SIGTERM: {
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StopAllServices(0);
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break;
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}
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default:
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break;
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}
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}
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void SignalInit(void)
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{
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struct sigaction act;
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act.sa_handler = SigHandler;
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act.sa_flags = SA_RESTART;
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(void)sigfillset(&act.sa_mask);
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sigaction(SIGCHLD, &act, NULL);
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sigaction(SIGTERM, &act, NULL);
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} |