(PHP 4 >= 4.0.7, PHP 5)
pcntl_wtermsig — Returns the signal which caused the child to terminate
Returns the number of the signal that caused the child process to terminate. This function is only useful if pcntl_wifsignaled() returned TRUE.
Параметр status - это переменная, переданная по ссылке в функцию pcntl_waitpid().
Returns the signal number, as an integer.