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-rw-r--r--winsup/cygwin/include/sys/mman.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/winsup/cygwin/include/sys/mman.h b/winsup/cygwin/include/sys/mman.h
index 21bf6976d..5290a62d9 100644
--- a/winsup/cygwin/include/sys/mman.h
+++ b/winsup/cygwin/include/sys/mman.h
@@ -49,6 +49,8 @@ extern void *mmap (void *__addr, size_t __len, int __prot, int __flags, int __fd
extern int munmap (void *__addr, size_t __len);
extern int mprotect (void *__addr, size_t __len, int __prot);
extern int msync (void *__addr, size_t __len, int __flags);
+extern int mlock (const void *__addr, size_t __len);
+extern int munlock (const void *__addr, size_t __len);
#ifdef __cplusplus
};