(PHP 4 >= 4.1.0, PHP 5, PHP 7)
pcntl_wifsignaled — Checks whether the status code represents a termination due to a signal
$status
)Checks whether the child process exited because of a signal which was not caught.
statusПараметр status - это параметр статуса, передаваемый для успешного вызова функции pcntl_waitpid().
Returns TRUE if the child process exited because of a signal which was
not caught, FALSE otherwise.