Add _cleanup_globfree_

[elogind.git] / src / shared / util.h

diff --git a/src/shared/util.h b/src/shared/util.h
index 69a47653aa4507023e45e5694b0a1b63c2589b4d..bea43fc4bcb5aba47da812ad4f1147666d5bb104 100644 (file)
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -36,8 +36,9 @@
 #include <dirent.h>
 #include <sys/resource.h>
 #include <stddef.h>
-#include <systemd/sd-journal.h>
+#include <unistd.h>
 
+#include <systemd/sd-journal.h>
 #include "macro.h"
 #include "time-util.h"
 
@@ -538,6 +539,8 @@ static inline void journal_closep(sd_journal **j) {
         sd_journal_close(*j);
 }
 
+#define _cleanup_globfree_ __attribute__((cleanup(globfree)))
+
 _malloc_  static inline void *malloc_multiply(size_t a, size_t b) {
         if (_unlikely_(b == 0 || a > ((size_t) -1) / b))
                 return NULL;
@@ -635,3 +638,11 @@ static inline void _reset_umask_(struct umask_struct *s) {
         for (__attribute__((cleanup(_reset_umask_))) struct umask_struct _saved_umask_ = { umask(mask), false }; \
              !_saved_umask_.quit ;                                      \
              _saved_umask_.quit = true)
+
+static inline unsigned u64log2(uint64_t n) {
+        return (n > 1) ? __builtin_clzll(n) ^ 63U : 0;
+}
+
+static inline bool logind_running(void) {
+        return access("/run/systemd/seats/", F_OK) >= 0;
+}