[Xen-devel] Re: [PATCH 1/4] mini-os: Make utility function get_self_id() public

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

This however can be useful by itself.


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

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@xxxxxxxxxxxxx>

diff -r 6595393a3d28 extras/mini-os/fs-front.c
--- a/extras/mini-os/fs-front.c Tue Dec 09 16:28:02 2008 +0000
+++ b/extras/mini-os/fs-front.c Tue Dec 16 14:38:33 2008 +0900
@@ -867,18 +867,6 @@ moretodo:
     if(more) goto moretodo;
     
     in_irq = 0;
-}
-
-/* Small utility function to figure out our domain id */
-static domid_t 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 alloc_request_table(struct fs_import *import)
@@ -1066,7 +1054,7 @@ static int init_fs_import(struct fs_impo
     unmask_evtchn(import->local_port);
 
     
-    self_id = get_self_id(); 
+    self_id = xenbus_get_self_id(); 
     /* Write the frontend info to a node in our Xenbus */
     sprintf(nodename, "/local/domain/%d/device/vfs/%d", 
                         self_id, import->import_id);
diff -r 6595393a3d28 extras/mini-os/include/xenbus.h
--- a/extras/mini-os/include/xenbus.h   Tue Dec 09 16:28:02 2008 +0000
+++ b/extras/mini-os/include/xenbus.h   Tue Dec 16 14:38:33 2008 +0900
@@ -91,6 +91,9 @@ char* xenbus_printf(xenbus_transaction_t
                                   const char* fmt, ...)
                    __attribute__((__format__(printf, 4, 5)));
 
+/* Utility function to figure out our domain id */
+domid_t xenbus_get_self_id(void);
+
 /* Reset the XenBus system. */
 void fini_xenbus(void);
 
diff -r 6595393a3d28 extras/mini-os/xenbus/xenbus.c
--- a/extras/mini-os/xenbus/xenbus.c    Tue Dec 09 16:28:02 2008 +0000
+++ b/extras/mini-os/xenbus/xenbus.c    Tue Dec 16 14:38:33 2008 +0900
@@ -666,6 +666,17 @@ char* xenbus_printf(xenbus_transaction_t
     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;

Attachment: minios_get_self_id.patch
Description: all/allfiles

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