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gmain: fix double-unlock in g_main_context_unref()

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When unreffing a context with sources still attached, it would end up
unlocking an already-unlocked context, causing crashes on platforms
that (unlike Linux) actually check for that.

https://bugzilla.gnome.org/show_bug.cgi?id=697595
This commit is contained in:
Dan Winship 2013-04-10 11:39:12 -04:00
parent 74ed1cf5b0
commit 0513c855cb
1 changed files with 5 additions and 1 deletions
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6
glib/gmain.c
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@ -520,12 +520,16 @@ g_main_context_unref (GMainContext *context)
main_context_list = g_slist_remove (main_context_list, context);
G_UNLOCK (main_context_list);
/* g_source_iter_next() assumes the context is locked. */
LOCK_CONTEXT (context);
g_source_iter_init (&iter, context, TRUE);
while (g_source_iter_next (&iter, &source))
{
source->context = NULL;
g_source_destroy_internal (source, context, FALSE);
g_source_destroy_internal (source, context, TRUE);
}
UNLOCK_CONTEXT (context);
for (sl_iter = context->source_lists; sl_iter; sl_iter = sl_iter->next)
{
list = sl_iter->data;