[Xen-devel] [PATCH 10/14]: libxenlight, get state for one domain

[Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>]

Simple function to get the dominfo state of a single domain.

Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>

# HG changeset patch
# User Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>
# Date 1259285614 18000
# Node ID 5ddc9d9d07b925df3211bfadf191d0f149bdbdd7
# Parent  0839849168539b27fa63149be96bffb5ef4141f9
Simple function to get the dominfo state of a single domain.

Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>

diff -r 083984916853 -r 5ddc9d9d07b9 libxl.c
--- a/libxl.c
+++ b/libxl.c
@@ -324,6 +324,26 @@ xc_dominfo_t * libxl_domain_infolist(str
     return info;
 }
 
+xc_dominfo_t *libxl_domain_info(struct libxl_ctx *ctx, uint32_t domid)
+{
+    xc_dominfo_t *info;
+    int rc;
+
+    info = (xc_dominfo_t *) calloc(1, sizeof(xc_dominfo_t));
+    if (!info) {
+        return NULL;
+    }
+
+    rc = xc_domain_getinfo(ctx->xch, domid, 1, info);
+    if (rc != 1) {
+        free(info);
+        XL_LOG_ERRNO(ctx, XL_LOG_ERROR, "Failed to get info for domain %u", 
+                        domid);
+        return NULL;
+    }
+
+    return info;
+}
 int libxl_domain_suspend(struct libxl_ctx *ctx, libxl_domain_suspend_info 
*info,
                          uint32_t domid, int fd)
 {
diff -r 083984916853 -r 5ddc9d9d07b9 libxl.h
--- a/libxl.h
+++ b/libxl.h
@@ -276,6 +276,7 @@ int libxl_domain_unpause(struct libxl_ct
 
 struct libxl_dominfo * libxl_domain_list(struct libxl_ctx *ctx, int 
*nb_domain);
 xc_dominfo_t * libxl_domain_infolist(struct libxl_ctx *ctx, int *nb_domain);
+xc_dominfo_t * libxl_domain_info(struct libxl_ctx *ctx, uint32_t domid);
 
 typedef struct libxl_device_model_starting libxl_device_model_starting;
 int libxl_create_device_model(struct libxl_ctx *ctx,

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