dovecot-2.0: ioloop: If io_add() is called twice for same fd, gi...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/f7f2edaf6dca
changeset: 12314:f7f2edaf6dca
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Oct 19 19:27:59 2010 +0100
description:
ioloop: If io_add() is called twice for same fd, give a bit more informative panic message.

diffstat:

 src/lib/ioloop-iolist.c |  5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diffs (15 lines):

diff -r 0ac9af7f7d5b -r f7f2edaf6dca src/lib/ioloop-iolist.c
--- a/src/lib/ioloop-iolist.c	Tue Oct 19 18:48:00 2010 +0100
+++ b/src/lib/ioloop-iolist.c	Tue Oct 19 19:27:59 2010 +0100
@@ -22,6 +22,11 @@
 		i_unreached();
 	}
 
+	if (list->ios[idx] != NULL) {
+		i_panic("io_add(0x%x) called twice fd=%d, callback=%p -> %p",
+			io->io.condition, io->fd, list->ios[idx]->io.callback,
+			io->io.callback);
+	}
 	i_assert(list->ios[idx] == NULL);
 	list->ios[idx] = io;