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-rw-r--r--include/sys/mman.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/sys/mman.h b/include/sys/mman.h
index 6aede8bd..4f871634 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -25,8 +25,10 @@ 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, ...);
+int madvise (void *, size_t, int);
+#endif
int shm_open (const char *, int, mode_t);
int shm_unlink (const char *);