process-util: move namespace_get_leader() to namespace-util

This allows us to drop the hack for recursive includes.
2025-01-04 17:08:00 +01:00
parent 0577339d7d
commit a33f691374
4 changed files with 32 additions and 34 deletions
@@ -395,33 +395,6 @@ int container_get_leader(const char *machine, pid_t *pid) {
        return 0;
 }

-int namespace_get_leader(pid_t pid, NamespaceType type, pid_t *ret) {
-        int r;
-
-        assert(ret);
-
-        for (;;) {
-                pid_t ppid;
-
-                r = get_process_ppid(pid, &ppid);
-                if (r < 0)
-                        return r;
-
-                r = in_same_namespace(pid, ppid, type);
-                if (r < 0)
-                        return r;
-                if (r == 0) {
-                        /* If the parent and the child are not in the same
-                         * namespace, then the child is the leader we are
-                         * looking for. */
-                        *ret = pid;
-                        return 0;
-                }
-
-                pid = ppid;
-        }
-}
-
 int pid_is_kernel_thread(pid_t pid) {
        _cleanup_free_ char *line = NULL;
        unsigned long long flags;