(PHP 4 >= 4.1.0, PHP 5)
pcntl_wifsignaled -- Returns TRUE if status code represents a termination due to a signalReturns TRUE if the child process exited because of a signal which was not caught.
O parâmetro status é o parâmetro de status fornecido por uma chamada concluída a pcntl_waitpid().
See also pcntl_waitpid() and pcntl_signal().