From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <674d5144a25f273c1f0c640ee7c75e1a@plan9.bell-labs.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] thread(2) man page
Date: Mon,  3 Sep 2007 09:23:30 -0400
From: Sape Mullender <sape@plan9.bell-labs.com>
In-Reply-To: <20070903083426.GA942@bricktop.telesystem.com>
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> just to state it. We have int as return type for procexecl, procexec
> in the thread(2) man page and void in /sys/src/libthread/exec.c

If it returns at all, there was an error.  If it doesn't return, there
may or may not be an error, but you won't see it.

Exec() probably has the int return value for historical reasons.  I've
never seen code test for it.  What you see is:

	exec(...);
	sysfatal("something went badly wrong: %r");

Sape