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Re: [Xen-devel] [PATCH] Make XEN_DOMCTL_destroydomain hypercall return e

On Thu, Aug 09, 2007 at 07:09:42PM +0900, Isaku Yamahata wrote:
> But it would be appropriate to insert the logic to xc_domain_destroy()
> of libxc.

Sorry, I sent it out too early.
attached the tested patch.

# HG changeset patch
# User yamahata@xxxxxxxxxxxxx
# Date 1186659366 -32400
# Node ID 2558fdeb290718c3f361f6913fc41c9a86da872b
# Parent  f18667f3d03d79c75ae0fb1a313a10357510aca1
retry destroy domain hypercall until success.
PATCHNAME: retry_destroy_domain_hypercall_until_success

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r f18667f3d03d -r 2558fdeb2907 tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c   Thu Aug 09 17:25:50 2007 +0900
+++ b/tools/libxc/xc_domain.c   Thu Aug 09 20:36:06 2007 +0900
@@ -55,10 +55,17 @@ int xc_domain_destroy(int xc_handle,
 int xc_domain_destroy(int xc_handle,
                       uint32_t domid)
 {
+    int ret;
     DECLARE_DOMCTL;
     domctl.cmd = XEN_DOMCTL_destroydomain;
     domctl.domain = (domid_t)domid;
-    return do_domctl(xc_handle, &domctl);
+    for (;;) {
+        ret = do_domctl(xc_handle, &domctl);
+        if (ret && errno == -EAGAIN)
+            continue;
+        break;
+    }
+    return ret;
 }
 
 int xc_domain_shutdown(int xc_handle,

-- 
yamahata

Attachment: 15712_2558fdeb2907_retry_destroy_domain_hypercall_until_success.patch
Description: Text Data

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