diff options
Diffstat (limited to 'include/atomic/gcc_builtins.h')
| -rw-r--r-- | include/atomic/gcc_builtins.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/atomic/gcc_builtins.h b/include/atomic/gcc_builtins.h index 509701b30a5..100ff80cacd 100644 --- a/include/atomic/gcc_builtins.h +++ b/include/atomic/gcc_builtins.h @@ -1,3 +1,6 @@ +#ifndef ATOMIC_GCC_BUILTINS_INCLUDED +#define ATOMIC_GCC_BUILTINS_INCLUDED + /* Copyright (C) 2008 MySQL AB This program is free software; you can redistribute it and/or modify @@ -15,7 +18,7 @@ #define make_atomic_add_body(S) \ v= __sync_fetch_and_add(a, v); -#define make_atomic_swap_body(S) \ +#define make_atomic_fas_body(S) \ v= __sync_lock_test_and_set(a, v); #define make_atomic_cas_body(S) \ int ## S sav; \ @@ -25,9 +28,14 @@ #ifdef MY_ATOMIC_MODE_DUMMY #define make_atomic_load_body(S) ret= *a #define make_atomic_store_body(S) *a= v +#define MY_ATOMIC_MODE "gcc-builtins-up" + #else +#define MY_ATOMIC_MODE "gcc-builtins-smp" #define make_atomic_load_body(S) \ ret= __sync_fetch_and_or(a, 0); #define make_atomic_store_body(S) \ (void) __sync_lock_test_and_set(a, v); #endif + +#endif /* ATOMIC_GCC_BUILTINS_INCLUDED */ |