int mono_vfree (void *addr, size_t length);
void* mono_file_map (size_t length, int flags, int fd, guint64 offset, void **ret_handle);
int mono_file_unmap (void *addr, void *handle);
+#ifndef HOST_WIN32
+void* mono_file_map_fileio (size_t length, int flags, int fd, guint64 offset, void **ret_handle);
+int mono_file_unmap_fileio (void *addr, void *handle);
+#endif
int mono_mprotect (void *addr, size_t length, int flags);
void* mono_shared_area (void);