From: Timo Sirainen <tss@iki.fi>
Date: Tue, 19 Oct 2010 18:27:59 +0000 (+0100)
Subject: ioloop: If io_add() is called twice for same fd, give a bit more informative panic... 
X-Git-Tag: 2.0.6~22
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b6f56900570900cf7eb0282ff7d7885c4316dfa;p=thirdparty%2Fdovecot%2Fcore.git

ioloop: If io_add() is called twice for same fd, give a bit more informative panic message.
---

diff --git a/src/lib/ioloop-iolist.c b/src/lib/ioloop-iolist.c
index 2e8fd17e78..4a4be299ed 100644
--- a/src/lib/ioloop-iolist.c
+++ b/src/lib/ioloop-iolist.c
@@ -22,6 +22,11 @@ bool ioloop_iolist_add(struct io_list *list, struct io_file *io)
 		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;