4-4 发送信号

发送信号的几种形式 kill -s 信号编号|信号名字 进程PID 在程序中使用posix_kill 给一个指定的进程或是进程组发送信号 pcntl_alarm SIGALRM 在终端按下特殊键 ctrl+c、 ctrl+z、ctrl+\ 网络 SIGURG、SIGPIPE、SIGCHLD(当子进程结束的时候) pcntl_signal_dispatch pcntl_signal_dispatch,调用等待信号的处理器。 调用每个等待信号通过 pcntl_signal 安装的处理器。 posix_kill posix_kill,Send a signal to a process. Send the signal to the process with the process identifier process_id. kill, send signal to a process. The kill() system call can be used to send any signal to any process group or process. If pid is positive, then signal sig is sent to the process with the ID specified by pid....

2022-03-15 · 王二