From 796acbd9ffd20f13f320641b8a27f86624f3d701 Mon Sep 17 00:00:00 2001 From: Martin Schwenke Date: Tue, 5 Jun 2012 16:00:07 +1000 Subject: lib/tevent: Add trace point callback Set/get a single callback function to be invoked at various trace points. Define "before wait" and "after wait" trace points - more trace points can be added later if required. CTDB wants this to log long waits and events. Pair-programmed-with: Amitay Isaacs Signed-off-by: Martin Schwenke Signed-off-by: Stefan Metzmacher --- lib/tevent/tevent_epoll.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'lib/tevent/tevent_epoll.c') diff --git a/lib/tevent/tevent_epoll.c b/lib/tevent/tevent_epoll.c index 33e1d3f20f..5f93de2c57 100644 --- a/lib/tevent/tevent_epoll.c +++ b/lib/tevent/tevent_epoll.c @@ -264,7 +264,9 @@ static int epoll_event_loop(struct epoll_event_context *epoll_ev, struct timeval return 0; } + tevent_trace_point_callback(epoll_ev->ev, TEVENT_TRACE_BEFORE_WAIT); ret = epoll_wait(epoll_ev->epoll_fd, events, MAXEVENTS, timeout); + tevent_trace_point_callback(epoll_ev->ev, TEVENT_TRACE_AFTER_WAIT); if (ret == -1 && errno == EINTR && epoll_ev->ev->signal_events) { if (tevent_common_check_signal(epoll_ev->ev)) { -- cgit