From mboxrd@z Thu Jan 1 00:00:00 1970 From: stefano.stabellini@eu.citrix.com Subject: [PATCH 07/15] xen: handle xenstore events Date: Thu, 12 Aug 2010 15:09:54 +0100 Message-ID: <1281622202-3453-7-git-send-email-stefano.stabellini@eu.citrix.com> References: Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: qemu-devel@nongnu.org Cc: Anthony.Perard@citrix.com, Anthony PERARD , xen-devel@lists.xensource.com, Anthony Liguori , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org From: Anthony PERARD Add an handler to process xenstore events. Signed-off-by: Anthony PERARD Signed-off-by: Stefano Stabellini --- target-xen/xenstore.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/target-xen/xenstore.c b/target-xen/xenstore.c index c202f66..9f2e1ea 100644 --- a/target-xen/xenstore.c +++ b/target-xen/xenstore.c @@ -1,6 +1,18 @@ #include "hw/xen_backend.h" #include "xenstore.h" +static void xenstore_process_event(void *opaque) +{ + char **vec; + unsigned int num; + + vec = xs_read_watch(xenstore, &num); + if (!vec) + return; + + free(vec); +} + int xen_dm_init(void) { xenstore = xs_daemon_open(); @@ -9,6 +21,9 @@ int xen_dm_init(void) return -1; } + if (qemu_set_fd_handler(xs_fileno(xenstore), xenstore_process_event, NULL, NULL) < 0) + goto err; + xen_xc = xc_interface_open(NULL, NULL, 0); if (xen_xc == NULL) { xen_be_printf(NULL, 0, "can't open xen interface\n"); @@ -17,6 +32,7 @@ int xen_dm_init(void) return 0; err: + qemu_set_fd_handler(xs_fileno(xenstore), NULL, NULL, NULL); xs_daemon_close(xenstore); xenstore = NULL; -- 1.7.0.4