Fixup handling of pthread_mutex*() error returns
authorJens Axboe <jens.axboe@oracle.com>
Mon, 5 Jan 2009 08:45:13 +0000 (09:45 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Mon, 5 Jan 2009 08:45:13 +0000 (09:45 +0100)
They return the errno, not 0/-1. Thanks to
Fabio Checconi <fabio@gandalf.sssup.it>
for noticing this.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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