We want to distinguish actual errors, and just aborting the program intentionally. Also be a bit more careful with handling the wait() exit status: do not called WEXITSTATUS() without checking WIFEXITED() first.
We want to distinguish actual errors, and just aborting the program intentionally. Also be a bit more careful with handling the wait() exit status: do not called WEXITSTATUS() without checking WIFEXITED() first.