pcntl_wstopsig
Description
int pcntl_wstopsig ( int status)Returns the number of the signal which caused the child to stop. This function is only useful if pcntl_wifstopped() returned TRUE.
参数 status 是提供给成功调用的 pcntl_waitpid() 函数的状态参数。
See also pcntl_waitpid() and pcntl_wifstopped().