(PHP 4 >= 4.1.0, PHP 5, PHP 7)
pcntl_wstopsig — Returns the signal which caused the child to stop
$status
   ) : int
   Returns the number of the signal which caused the child to stop.
   This function is only useful if
   pcntl_wifstopped() returned TRUE.
  
statusEl parámetro status
es el parámetro de estado proporcionado a una correcta
llamada a pcntl_waitpid().
Returns the signal number.