Date: Thu, 7 Apr 2005 14:20:07 GMT From: David Xu <davidxu@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 74665 for review Message-ID: <200504071420.j37EK7f2050189@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=74665 Change 74665 by davidxu@davidxu_alona on 2005/04/07 14:19:12 Return TD_ERR not TD_NOEVENT, clear event buffer. Affected files ... .. //depot/projects/davidxu_thread/src/lib/libthread_db/libthr_db.c#6 edit Differences ... ==== //depot/projects/davidxu_thread/src/lib/libthread_db/libthr_db.c#6 (text+ko) ==== @@ -450,7 +450,7 @@ ptr->u.bptaddr = ta->thread_death_bp_addr; return (0); default: - return (TD_NOEVENT); + return (TD_ERR); } } @@ -496,12 +496,18 @@ psaddr_t pt; long lwp; int ret; + int tmp; TDBG_FUNC(); ret = ps_pread(ta->ph, ta->thread_event_addr, msg, sizeof(*msg)); if (ret != 0) return (P2T(ret)); + if (msg->event == 0) + return (TD_NOMSG); + /* clear event */ + tmp = 0; + ps_pwrite(ta->ph, ta->thread_event_addr, &tmp, sizeof(int)); pt = (psaddr_t)msg->th_p; ret = ps_pread(ta->ph, pt + ta->thread_off_tid, &lwp, sizeof(lwp)); if (ret != 0)
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