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完整主进程

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This commit is contained in:
xiongziliang 2019-05-20 22:22:05 +08:00
parent bc0a39bc52
commit 056ce72182
2 changed files with 19 additions and 25 deletions
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41
server/System.cpp
View File

@ -275,23 +275,16 @@ static void sig_crash(int sig) {
void System::startDaemon() {
signal(SIGTTOU,SIG_IGN);
signal(SIGTTIN,SIG_IGN);
signal(SIGHUP,SIG_IGN);
signal(SIGINT, [](int) {
InfoL << "SIGINT:exit";
signal(SIGINT,SIG_IGN);
throw ExitException();
});
static pid_t pid;
do{
auto pid = fork();
pid = fork();
if(pid == -1){
WarnL << "fork失败:" << get_uv_errmsg();
//休眠1秒再试
sleep(1);
continue;
}
if(pid == 0){
//子进程
return;
@ -299,23 +292,21 @@ void System::startDaemon() {
//父进程,监视子进程是否退出
DebugL << "启动子进程:" << pid;
signal(SIGINT, [](int) {
WarnL << "收到主动退出信号,关闭父进程与子进程";
kill(pid,SIGINT);
exit(0);
});
do{
try {
int status = 0;
if(waitpid(pid, &status, 0) >= 0) {
WarnL << "子进程退出";
//休眠1秒再启动子进程
sleep(1);
break;
}
DebugL << "waitpid被中断:" << get_uv_errmsg();
}catch (ExitException &ex){
WarnL << "收到主动退出信号,关闭父进程与子进程";
//通知子进程主动退出
kill(pid,SIGINT);
//父进程主动退出
exit(0);
int status = 0;
if(waitpid(pid, &status, 0) >= 0) {
WarnL << "子进程退出";
//休眠1秒再启动子进程
sleep(1);
break;
}
DebugL << "waitpid被中断:" << get_uv_errmsg();
}while (true);
}while (true);
}

3
server/main.cpp
View File

@ -160,6 +160,9 @@ extern void unInstallWebHook();
static void inline listen_shell_input(){
cout << "> 欢迎进入命令模式，你可以输入\"help\"命令获取帮助" << endl;
cout << "> " << std::flush;
signal(SIGTTOU,SIG_IGN);
signal(SIGTTIN,SIG_IGN);
SockUtil::setNoBlocked(STDIN_FILENO);
auto oninput = [](int event) {
if (event & Event_Read) {