mini-os: Make utility function get_self_id() in fs-front.c public.

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/extras/mini-os/xenbus/xenbus.c b/extras/mini-os/xenbus/xenbus.c
index 7b9c35a1dc..5ed42a3da7 100644
--- a/extras/mini-os/xenbus/xenbus.c
+++ b/extras/mini-os/xenbus/xenbus.c
@@ -666,6 +666,17 @@ char* xenbus_printf(xenbus_transaction_t xbt,
     return xenbus_write(xbt,fullpath,val);
 }
 
+domid_t xenbus_get_self_id(void)
+{
+    char *dom_id;
+    domid_t ret;
+
+    BUG_ON(xenbus_read(XBT_NIL, "domid", &dom_id));
+    sscanf(dom_id, "%d", &ret);
+
+    return ret;
+}
+
 static void do_ls_test(const char *pre)
 {
     char **dirs, *msg;