From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Jackson Subject: [PATCH 3/4] libxl: events: debugging output for fds Date: Tue, 15 May 2012 15:09:58 +0100 Message-ID: <1337090999-15608-4-git-send-email-ian.jackson@eu.citrix.com> References: <1337090999-15608-1-git-send-email-ian.jackson@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1337090999-15608-1-git-send-email-ian.jackson@eu.citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: Ian Jackson List-Id: xen-devel@lists.xenproject.org Signed-off-by: Ian Jackson --- tools/libxl/libxl_event.c | 15 +++++++++++++-- 1 files changed, 13 insertions(+), 2 deletions(-) diff --git a/tools/libxl/libxl_event.c b/tools/libxl/libxl_event.c index 4d31b3c..0f9ea41 100644 --- a/tools/libxl/libxl_event.c +++ b/tools/libxl/libxl_event.c @@ -58,6 +58,8 @@ int libxl__ev_fd_register(libxl__gc *gc, libxl__ev_fd *ev, CTX_LOCK; + LOG(DEBUG, "ev_fd=%p register fd=%d events=%x", ev, fd, events); + rc = OSEVENT_HOOK(fd_register, fd, &ev->for_app_reg, events, ev); if (rc) goto out; @@ -81,6 +83,8 @@ int libxl__ev_fd_modify(libxl__gc *gc, libxl__ev_fd *ev, short events) CTX_LOCK; assert(libxl__ev_fd_isregistered(ev)); + LOG(DEBUG, "ev_fd=%p modify fd=%d events=%x", ev, ev->fd, events); + rc = OSEVENT_HOOK(fd_modify, ev->fd, &ev->for_app_reg, events); if (rc) goto out; @@ -96,8 +100,12 @@ void libxl__ev_fd_deregister(libxl__gc *gc, libxl__ev_fd *ev) { CTX_LOCK; - if (!libxl__ev_fd_isregistered(ev)) + if (!libxl__ev_fd_isregistered(ev)) { + LOG(DEBUG, "ev_fd=%p deregister unregistered",ev); goto out; + } + + LOG(DEBUG, "ev_fd=%p deregister fd=%d", ev, ev->fd); OSEVENT_HOOK_VOID(fd_deregister, ev->fd, ev->for_app_reg); LIBXL_LIST_REMOVE(ev, entry); @@ -859,8 +867,11 @@ static void afterpoll_internal(libxl__egc *egc, libxl__poller *poller, continue; int revents = afterpoll_check_fd(poller,fds,nfds, efd->fd,efd->events); - if (revents) + if (revents) { + LOG(DEBUG,"ev_fd=%p occurs fd=%d events=%x revents=%x", + efd, efd->fd, efd->events, revents); efd->func(egc, efd, efd->fd, efd->events, revents); + } } if (afterpoll_check_fd(poller,fds,nfds, poller->wakeup_pipe[0],POLLIN)) { -- 1.7.2.5