Thread::cond_wait bug in 5.005.51 causes deadlock

	Message-Id: <199809070836.RAA14631@raptor.otsd.ts.fujitsu.co.jp>

p4raw-id: //depot/perl@1839

diff --git a/ext/Thread/Thread.xs b/ext/Thread/Thread.xs
index 48f8aa0..a4bff69 100644 (file)
--- a/ext/Thread/Thread.xs
+++ b/ext/Thread/Thread.xs
@@ -483,6 +483,7 @@ CODE:
            croak("cond_wait for lock that we don't own\n");
        }
        MgOWNER(mg) = 0;
+       COND_SIGNAL(MgOWNERCONDP(mg));
        COND_WAIT(MgCONDP(mg), MgMUTEXP(mg));
        while (MgOWNER(mg))
            COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));