diff options
Diffstat (limited to 'include/my_atomic.h')
| -rw-r--r-- | include/my_atomic.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/include/my_atomic.h b/include/my_atomic.h index c2d514012d9..48bbe8c2946 100644 --- a/include/my_atomic.h +++ b/include/my_atomic.h @@ -1,6 +1,3 @@ -#ifndef MY_ATOMIC_INCLUDED -#define MY_ATOMIC_INCLUDED - /* Copyright (C) 2006 MySQL AB This program is free software; you can redistribute it and/or modify @@ -28,10 +25,9 @@ store 'what' in *var, and return the old value of *var my_atomic_cas#(&var, &old, new) - An odd variation of 'Compare And Set/Swap' + 'Compare And Swap' if *var is equal to *old, then store 'new' in *var, and return TRUE otherwise store *var in *old, and return FALSE - Usually, &old should not be accessed if the operation is successful. my_atomic_load#(&var) return *var |