Poll: System.exitWith behaviour
Marcin 'Qrczak' Kowalczyk
22 May 2001 17:06:02 GMT
Tue, 22 May 2001 15:43:45 +0100, Simon Marlow <email@example.com> pisze:
> - If this exception propogates to the top of the thread, then
> the main thread is also sent (ExitException code). This
> only happens for a standalone executable (ie. one which was
> started by PrelMain.mainIO).
This looks like a strange exception for me (i.e. the fact that it
propagates to the main thread). And it's weird to have it as an
asynchronous exception in the main thread.
I would drop this rule and let 'exitWith ExitSuccess' be the way to
commit suicide by a thread, as if it completed, which degenerates to
the Haskell 98 interpretation in a single-threaded program.
BTW, I don't quite like the fact that 'exitFailure' looks simpler than
__("< Marcin Kowalczyk * firstname.lastname@example.org http://qrczak.ids.net.pl/
^^ SYGNATURA ZASTĘPCZA