From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Thu, 7 Sep 2017 09:44:46 +0000 (+0300)
Subject: lib: Free io_switch_callbacks_free only after other atexit-callbacks
X-Git-Tag: 2.3.0.rc1~1075
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bcd91686ef26fe36f7e0f69366b822879f012d9f;p=thirdparty%2Fdovecot%2Fcore.git

lib: Free io_switch_callbacks_free only after other atexit-callbacks

Fixes a crash at deinit where io_loop_remove_switch_callback() was called in
lib_atexit() callback.
---

diff --git a/src/lib/ioloop.c b/src/lib/ioloop.c
index 977774afad..f6bd7ab845 100644
--- a/src/lib/ioloop.c
+++ b/src/lib/ioloop.c
@@ -839,7 +839,7 @@ void io_loop_add_switch_callback(io_switch_callback_t *callback)
 {
 	if (!array_is_created(&io_switch_callbacks)) {
 		i_array_init(&io_switch_callbacks, 4);
-		lib_atexit(io_switch_callbacks_free);
+		lib_atexit_priority(io_switch_callbacks_free, LIB_ATEXIT_PRIORITY_LOW);
 	}
 	array_append(&io_switch_callbacks, &callback, 1);
 }