fallback to non-exclusive lock if needed

Cryptkeeper · Aug 6, 2024 · d79aef3 · d79aef3
1 parent 145387d
commit d79aef3
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/main.c b/src/main.c
@@ -50,10 +50,12 @@ static struct {
   int fd;
 } lfh; /* lock file handle */
 
-#if defined(__linux__)
-#define EXFILELOCKFLAG F_EXLCK
-#elif defined(__APPLE__)
+#if defined(O_EXLOCK)
 #define EXFILELOCKFLAG O_EXLOCK
+#elif defined(F_EXLCK)
+#define EXFILELOCKFLAG F_EXLCK
+#else
+#define EXFILELOCKFLAG 0
 #endif
 
 /// @brief Creates and locks a lock file in the search directory.