[Qemu-devel] [PATCH RFC V3 11/12] xen: Set running state in xenstore.

[anthony.perard@citrix.com]

From: Anthony PERARD <anthony.perard@citrix.com>

This tells to the xen management tool that the machine can begin run.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 xen-all.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/xen-all.c b/xen-all.c
index 13672f0..6a62ecd 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -412,6 +412,22 @@ static void cpu_handle_ioreq(void *opaque)
     }
 }
 
+static void xenstore_record_dm_state(const char *state)
+{
+    char *path = NULL;
+    struct xs_handle *xenstore = xs_daemon_open();
+
+    if (asprintf(&path, "/local/domain/0/device-model/%u/state", xen_domid) == -1) {
+        fprintf(stderr, "out of memory recording dm state\n");
+        exit(1);
+    }
+    if (!xs_write(xenstore, XBT_NULL, path, state, strlen(state))) {
+        fprintf(stderr, "error recording dm state\n");
+        exit(1);
+    }
+    free(path);
+}
+
 static void xen_main_loop_prepare(void)
 {
     CPUState *env = cpu_single_env;
@@ -424,6 +440,9 @@ static void xen_main_loop_prepare(void)
 
     if (evtchn_fd != -1)
         qemu_set_fd_handler(evtchn_fd, cpu_handle_ioreq, NULL, env);
+
+    /* record state running */
+    xenstore_record_dm_state("running");
 }
 
 
-- 
1.6.5