libxl: rename dm_xenstore_record_pid to libxl_spawner_record_pid

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Ian Jackson <ian.jackson.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/tools/libxl/libxl_exec.c b/tools/libxl/libxl_exec.c
index d6199d42ea..a91366ab2c 100644
--- a/tools/libxl/libxl_exec.c
+++ b/tools/libxl/libxl_exec.c
@@ -144,6 +144,31 @@ void libxl_report_child_exitstatus(libxl_ctx *ctx,
     }
 }
 
+void libxl_spawner_record_pid(void *for_spawn, pid_t innerchild)
+{
+    libxl__spawner_starting *starting = for_spawn;
+    struct xs_handle *xsh;
+    char *path = NULL, *pid = NULL;
+    int len;
+
+    if (asprintf(&path, "%s/%s", starting->dom_path, "image/device-model-pid") < 0)
+        goto out;
+
+    len = asprintf(&pid, "%d", innerchild);
+    if (len < 0)
+        goto out;
+
+    /* we mustn't use the parent's handle in the child */
+    xsh = xs_daemon_open();
+
+    xs_write(xsh, XBT_NULL, path, pid, len);
+
+    xs_daemon_close(xsh);
+out:
+    free(path);
+    free(pid);
+}
+
 static int libxl__set_fd_flag(libxl__gc *gc, int fd, int flag)
 {
     int flags;