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: Mon, 23 Aug 2010 10:50:44 +0100 Message-ID: <1282557052-14285-7-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@codemonkey.ws, stefano.stabellini@eu.citrix.com 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 | 30 +++++++++++++++++++++++++++++- 1 files changed, 29 insertions(+), 1 deletions(-) diff --git a/target-xen/xenstore.c b/target-xen/xenstore.c index bd74787..331b25f 100644 --- a/target-xen/xenstore.c +++ b/target-xen/xenstore.c @@ -1,13 +1,41 @@ #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(); + if (!xenstore) { + xen_be_printf(NULL, 0, "can't connect to xenstored\n"); + 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"); - return -1; + goto err; } return 0; + +err: + qemu_set_fd_handler(xs_fileno(xenstore), NULL, NULL, NULL); + xs_daemon_close(xenstore); + xenstore = NULL; + + return -1; } -- 1.7.0.4