_GNU_SOURCE is supposed to imply _LARGEFILE64_SOURCE

[musl] / include / sys / mman.h

diff --git a/include/sys/mman.h b/include/sys/mman.h
index 6aede8b..5cfafbe 100644 (file)
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -25,12 +25,22 @@ int munlock (const void *, size_t);
 int mlockall (int);
 int munlockall (void);
 
-/* linux extension */
+#ifdef _GNU_SOURCE
 void *mremap (void *, size_t, size_t, int, ...);
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+int madvise (void *, size_t, int);
+#endif
 
 int shm_open (const char *, int, mode_t);
 int shm_unlink (const char *);
 
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define mmap64 mmap
+#define off64_t off_t
+#endif
+
 #ifdef __cplusplus
 }
 #endif