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Fix crash in threaded message queues
author
David Henningsson
<david.henningsson@canonical.com>
Sun, 25 Sep 2011 09:07:47 +0000
(11:07 +0200)
committer
Colin Guthrie
<colin@mageia.org>
Sun, 25 Sep 2011 12:44:34 +0000
(13:44 +0100)
Once in a million or so, this typo causes a crash when two threads
simultaneously try to call "pa_asynqmsgq_write_poll".
BugLink:
http://bugs.launchpad.net/bugs/853560
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
src/pulsecore/thread-mq.c
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diff --git
a/src/pulsecore/thread-mq.c
b/src/pulsecore/thread-mq.c
index
51fb765
..
b492793
100644
(file)
--- a/
src/pulsecore/thread-mq.c
+++ b/
src/pulsecore/thread-mq.c
@@
-42,7
+42,7
@@
static void asyncmsgq_read_cb(pa_mainloop_api*api, pa_io_event* e, int fd, pa_io
pa_assert(events == PA_IO_EVENT_INPUT);
pa_asyncmsgq_ref(aq = q->outq);
- pa_asyncmsgq_
write
_after_poll(aq);
+ pa_asyncmsgq_
read
_after_poll(aq);
for (;;) {
pa_msgobject *object;