X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flogin%2Fsd-login.c;h=1d4368187f5f430de16a692f69279714aeccef84;hb=9847946e12479b27d3ebfd024f00a6ac33ce73d3;hp=a0a56c49526ebdf2fb85a83137418b2e8c77d679;hpb=b72491a2fd8c237299055c636d4f748bca2b4b1f;p=elogind.git

diff --git a/src/login/sd-login.c b/src/login/sd-login.c
index a0a56c495..1d4368187 100644
--- a/src/login/sd-login.c
+++ b/src/login/sd-login.c
@@ -121,6 +121,33 @@ _public_ int sd_pid_get_session(pid_t pid, char **session) {
         return 0;
 }
 
+_public_ int sd_pid_get_service(pid_t pid, char **service) {
+        int r;
+        char *cgroup, *p;
+
+        if (!service)
+                return -EINVAL;
+
+        r = pid_get_cgroup(pid, NULL, &cgroup);
+        if (r < 0)
+                return r;
+
+        if (!startswith(cgroup, "/system/")) {
+                free(cgroup);
+                return -ENOENT;
+        }
+
+        p = cgroup + 8;
+        p = strndup(p, strcspn(p, "/"));
+        free(cgroup);
+
+        if (!p)
+                return -ENOMEM;
+
+        *service = p;
+        return 0;
+}
+
 _public_ int sd_pid_get_owner_uid(pid_t pid, uid_t *uid) {
         int r;
         char *root, *cgroup, *p, *cc;