Date: Thu, 8 Dec 2005 22:03:02 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 87906 for review Message-ID: <200512082203.jB8M32qV022049@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=87906 Change 87906 by jhb@jhb_slimer on 2005/12/08 22:02:02 Add an event for testing show mtx and show sx. Affected files ... .. //depot/projects/smpng/sys/modules/crash/crash.c#22 edit Differences ... ==== //depot/projects/smpng/sys/modules/crash/crash.c#22 (text+ko) ==== @@ -83,6 +83,23 @@ /* Events. */ +static void +ddblock_test(void) +{ + + mtx_lock(&test1_mtx); + kdb_enter("test1_mtx locked"); + mtx_unlock(&test1_mtx); + sx_slock(&foo); + kdb_enter("foo slocked"); + sx_sunlock(&foo); + sx_xlock(&foo); + kdb_enter("foo xlocked"); + sx_xunlock(&foo); + kdb_enter("both unlocked"); +} +CRASH_EVENT("ddb lock commands", ddblock_test); + #ifdef WITNESS static void spinlock_test(void)
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