***/
#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
+# define _GNU_SOURCE
#endif
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#ifdef __BIONIC__
-#include <linux/fcntl.h>
+# include <linux/fcntl.h>
#else
-#include <sys/fcntl.h>
+# include <sys/fcntl.h>
#endif
#include <netinet/in.h>
#include <stdlib.h>
#include <limits.h>
#if defined(__linux__)
-#include <mqueue.h>
+# include <mqueue.h>
#endif
#include "sd-daemon.h"
#if (__GNUC__ >= 4)
-#ifdef SD_EXPORT_SYMBOLS
+# ifdef SD_EXPORT_SYMBOLS
/* Export symbols */
-#define _sd_export_ __attribute__ ((visibility("default")))
-#else
+# define _sd_export_ __attribute__ ((visibility("default")))
+# else
/* Don't export the symbols */
-#define _sd_export_ __attribute__ ((visibility("hidden")))
-#endif
+# define _sd_export_ __attribute__ ((visibility("hidden")))
+# endif
#else
-#define _sd_export_
+# define _sd_export_
#endif
_sd_export_ int sd_listen_fds(int unset_environment) {
#if defined(DISABLE_SYSTEMD) || !defined(__linux__)
return 0;
#else
+ struct stat st;
- struct stat a, b;
-
- /* We simply test whether the systemd cgroup hierarchy is
- * mounted */
-
- if (lstat("/sys/fs/cgroup", &a) < 0)
- return 0;
+ /* We test whether the runtime unit file directory has been
+ * created. This takes place in mount-setup.c, so is
+ * guaranteed to happen very early during boot. */
- if (lstat("/sys/fs/cgroup/systemd", &b) < 0)
+ if (lstat("/run/systemd/system/", &st) < 0)
return 0;
- return a.st_dev != b.st_dev;
+ return !!S_ISDIR(st.st_mode);
#endif
}