| // SPDX-License-Identifier: GPL-2.0 | |
| /* | |
| * Copyright (c) 2011 RedHat, Inc. | |
| * All Rights Reserved. | |
| */ | |
| #ifndef __ATOMIC_H__ | |
| #define __ATOMIC_H__ | |
| /* | |
| * Warning: These are not really atomic at all. They are wrappers around the | |
| * kernel atomic variable interface. If we do need these variables to be atomic | |
| * (due to multithreading of the code that uses them) we need to add some | |
| * pthreads magic here. | |
| */ | |
| typedef int32_t atomic_t; | |
| typedef int64_t atomic64_t; | |
| #define atomic_inc_return(x) (++(*(x))) | |
| #define atomic_dec_return(x) (--(*(x))) | |
| #define atomic64_read(x) *(x) | |
| #define atomic64_set(x, v) (*(x) = v) | |
| #endif /* __ATOMIC_H__ */ |