(PHP 4 >= 4.1.0, PHP 5)
pcntl_wstopsig — Returns the signal which caused the child to stop
Returns the number of the signal which caused the child to stop. This function is only useful if pcntl_wifstopped() returned TRUE.
status 인수는 pnctl_waitpid()의 성공적인 호출이 제공하는 status 인수입니다.
Returns the signal number.