diff options
Diffstat (limited to 'include/atomic/rwlock.h')
| -rw-r--r-- | include/atomic/rwlock.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/atomic/rwlock.h b/include/atomic/rwlock.h index 18b77e93d80..0ff4d16c545 100644 --- a/include/atomic/rwlock.h +++ b/include/atomic/rwlock.h @@ -1,3 +1,6 @@ +#ifndef ATOMIC_RWLOCK_INCLUDED +#define ATOMIC_RWLOCK_INCLUDED + /* Copyright (C) 2006 MySQL AB This program is free software; you can redistribute it and/or modify @@ -46,3 +49,4 @@ typedef struct {pthread_rwlock_t rw;} my_atomic_rwlock_t; #define make_atomic_load_body(S) ret= *a; #define make_atomic_store_body(S) *a= v; +#endif /* ATOMIC_RWLOCK_INCLUDED */ |