(PHP 4 >= 4.1.0, PHP 5)
pcntl_wifsignaled — Checks whether the status code represents a termination due to a signal
Checks whether the child process exited because of a signal which was not caught.
status 인수는 pnctl_waitpid()의 성공적인 호출이 제공하는 status 인수입니다.
Returns TRUE if the child process exited because of a signal which was not caught, FALSE otherwise.