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chenyf 2024-02-24 10:10:20 +08:00
parent 58cc03b9b6
commit 1f11d41e9f
1 changed files with 6 additions and 0 deletions
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6
fock/fock.c
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@ -28,6 +28,12 @@ int main(void)
// } // }
// fock创建进程 // fock创建进程
// fock创建的子进程一般用来执行新的程序 // fock创建的子进程一般用来执行新的程序
/**
* 创建一个信号量用于唤醒进程
* 子进程睡眠10s
* 父进程睡眠1s后，把子进程叫醒
* 子进程结束后，父进程结束
*/
signal(SIGUSR1,weak_process); signal(SIGUSR1,weak_process);
pid_t pid = fork(); pid_t pid = fork();
if (pid == 0) if (pid == 0)