[Xen-changelog] [xen-unstable] libxl: add a get_shutdown_reason

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1262177141 0
# Node ID 88e59cfb48de60b3bfd04c74e6ac230d061ae5b0
# Parent  d4613b5217982fa82710adc96a9f1d8b4c0a491e
libxl: add a get_shutdown_reason

Signed-off-by: Vincent Hanquez <vincent.hanquez@xxxxxxxxxxxxx>
---
 tools/libxl/libxl_dom.c      |   15 +++++++++++++++
 tools/libxl/libxl_internal.h |    3 +++
 2 files changed, 18 insertions(+)

diff -r d4613b521798 -r 88e59cfb48de tools/libxl/libxl_dom.c
--- a/tools/libxl/libxl_dom.c   Wed Dec 30 12:45:13 2009 +0000
+++ b/tools/libxl/libxl_dom.c   Wed Dec 30 12:45:41 2009 +0000
@@ -40,6 +40,21 @@ int is_hvm(struct libxl_ctx *ctx, uint32
     if (info.domain != domid)
         return -1;
     return !!(info.flags & XEN_DOMINF_hvm_guest);
+}
+
+int get_shutdown_reason(struct libxl_ctx *ctx, uint32_t domid)
+{
+    xc_domaininfo_t info;
+    int ret;
+
+    ret = xc_domain_getinfolist(ctx->xch, domid, 1, &info);
+    if (ret != 1)
+        return -1;
+    if (info.domain != domid)
+        return -1;
+    if (!(info.flags & XEN_DOMINF_shutdown))
+        return -1;
+    return dominfo_get_shutdown_reason(&info);
 }
 
 int build_pre(struct libxl_ctx *ctx, uint32_t domid,
diff -r d4613b521798 -r 88e59cfb48de tools/libxl/libxl_internal.h
--- a/tools/libxl/libxl_internal.h      Wed Dec 30 12:45:13 2009 +0000
+++ b/tools/libxl/libxl_internal.h      Wed Dec 30 12:45:41 2009 +0000
@@ -124,6 +124,9 @@ char **libxl_xs_directory(struct libxl_c
 
 /* from xl_dom */
 int is_hvm(struct libxl_ctx *ctx, uint32_t domid);
+int get_shutdown_reason(struct libxl_ctx *ctx, uint32_t domid);
+#define dominfo_get_shutdown_reason(info) (((info)->flags >> 
XEN_DOMINF_shutdownshift) & XEN_DOMINF_shutdownmask)
+
 int build_pre(struct libxl_ctx *ctx, uint32_t domid,
               libxl_domain_build_info *info, libxl_domain_build_state *state);
 int build_post(struct libxl_ctx *ctx, uint32_t domid,

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