Detect running cgroup controller.

[elogind.git] / src / basic / util.c

diff --git a/src/basic/util.c b/src/basic/util.c
index 473165f24581fd134d7052891e1a67622522d6eb..fcea9ceadaba2d3a5cf47a251d543550e58e56c2 100644 (file)
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -79,7 +79,8 @@
 #include  "mkdir.h"
 #include  "path-util.h"
 // #include  "exit-status.h"
-// #include  "hashmap.h"
+#include  "hashmap.h"
+#include  "set.h"
 // #include  "env-util.h"
 #include  "fileio.h"
 // #include  "device-nodes.h"
@@ -403,7 +404,10 @@ int parse_uid(const char *s, uid_t* ret_uid) {
                 return -ERANGE;
 
         if (!uid_is_valid(uid))
-                return -ENXIO;
+                return -ENXIO; /* we return ENXIO instead of EINVAL
+                                * here, to make it easy to distuingish
+                                * invalid numeric uids invalid
+                                * strings. */
 
         if (ret_uid)
                 *ret_uid = uid;
@@ -2564,8 +2568,6 @@ int files_same(const char *filea, const char *fileb) {
                a.st_ino == b.st_ino;
 }
 
-/// UNNEEDED by elogind
-#if 0
 int running_in_chroot(void) {
         int ret;
 
@@ -2575,7 +2577,6 @@ int running_in_chroot(void) {
 
         return ret == 0;
 }
-#endif // 0
 
 static char *ascii_ellipsize_mem(const char *s, size_t old_length, size_t new_length, unsigned percent) {
         size_t x;
@@ -2887,8 +2888,6 @@ bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) {
         return endswith(de->d_name, suffix);
 }
 
-/// UNNEEDED by elogind
-#if 0
 static int do_execute(char **directories, usec_t timeout, char *argv[]) {
         _cleanup_hashmap_free_free_ Hashmap *pids = NULL;
         _cleanup_set_free_free_ Set *seen = NULL;
@@ -3028,7 +3027,6 @@ void execute_directories(const char* const* directories, usec_t timeout, char *a
 
         wait_for_terminate_and_warn(name, executor_pid, true);
 }
-#endif // 0
 
 bool nulstr_contains(const char*nulstr, const char *needle) {
         const char *i;
@@ -6198,6 +6196,9 @@ int openpt_in_namespace(pid_t pid, int flags) {
                 if (master < 0)
                         _exit(EXIT_FAILURE);
 
+                if (unlockpt(master) < 0)
+                        _exit(EXIT_FAILURE);
+
                 cmsg = CMSG_FIRSTHDR(&mh);
                 cmsg->cmsg_level = SOL_SOCKET;
                 cmsg->cmsg_type = SCM_RIGHTS;