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authorRoger Pau Monne <roger.pau@citrix.com>2012-05-23 11:06:48 +0100
committerRoger Pau Monne <roger.pau@citrix.com>2012-05-23 11:06:48 +0100
commit6aab68ff43c5e4714d3a36eee19b69f14a9ad555 (patch)
treec7044ee8527c435aa5e2fe5094aff693ec81e492 /tools/libxl/libxl_xshelp.c
parent145d12a5d284b892875e040f3ccaae68a6df8499 (diff)
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libxl: add libxl__xs_path_cleanup
Add a function which behaves like "xenstore-rm -t", and which will be used to clean xenstore after unplug since we will be no longer executing xen-hotplug-cleanup script, that used to do that for us. Signed-off-by: Roger Pau Monne <roger.pau@citrix.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Committed-by: Ian Campbell <ian.campbell@citrix.com>
Diffstat (limited to 'tools/libxl/libxl_xshelp.c')
-rw-r--r--tools/libxl/libxl_xshelp.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/tools/libxl/libxl_xshelp.c b/tools/libxl/libxl_xshelp.c
index 6ca1afe632..c5b5364c56 100644
--- a/tools/libxl/libxl_xshelp.c
+++ b/tools/libxl/libxl_xshelp.c
@@ -135,6 +135,44 @@ char *libxl__xs_libxl_path(libxl__gc *gc, uint32_t domid)
return s;
}
+int libxl__xs_path_cleanup(libxl__gc *gc, xs_transaction_t t, char *user_path)
+{
+ unsigned int nb = 0;
+ char *path, *last, *val;
+ int rc;
+
+ /* A path and transaction must be provided by the caller */
+ assert(user_path && t);
+
+ path = libxl__strdup(gc, user_path);
+ if (!xs_rm(CTX->xsh, t, path)) {
+ LOGE(DEBUG, "unable to remove path %s", path);
+ rc = ERROR_FAIL;
+ goto out;
+ }
+
+ for (last = strrchr(path, '/'); last != NULL; last = strrchr(path, '/')) {
+ *last = '\0';
+
+ if (!strlen(path)) break;
+
+ val = libxl__xs_read(gc, t, path);
+ if (!val || strlen(val) != 0) break;
+
+ if (!libxl__xs_directory(gc, t, path, &nb) || nb != 0) break;
+
+ if (!xs_rm(CTX->xsh, t, path)) {
+ LOGE(DEBUG, "unable to remove path %s", path);
+ rc = ERROR_FAIL;
+ goto out;
+ }
+ }
+ rc = 0;
+
+out:
+ return rc;
+}
+
/*
* Local variables:
* mode: C