(PHP 4 >= 4.0.7, PHP 5)
pcntl_wtermsig вЂ” 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.
The parameter status is the status parameter supplied to a successfull call to pcntl_waitpid().
Returns the signal number, as an integer.