diff options
Diffstat (limited to 'arch/sparc/include/asm/rwsem-const.h')
-rw-r--r-- | arch/sparc/include/asm/rwsem-const.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/rwsem-const.h b/arch/sparc/include/asm/rwsem-const.h new file mode 100644 index 000000000000..a303c9d64d84 --- /dev/null +++ b/arch/sparc/include/asm/rwsem-const.h | |||
@@ -0,0 +1,12 @@ | |||
1 | /* rwsem-const.h: RW semaphore counter constants. */ | ||
2 | #ifndef _SPARC64_RWSEM_CONST_H | ||
3 | #define _SPARC64_RWSEM_CONST_H | ||
4 | |||
5 | #define RWSEM_UNLOCKED_VALUE 0x00000000 | ||
6 | #define RWSEM_ACTIVE_BIAS 0x00000001 | ||
7 | #define RWSEM_ACTIVE_MASK 0x0000ffff | ||
8 | #define RWSEM_WAITING_BIAS 0xffff0000 | ||
9 | #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS | ||
10 | #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) | ||
11 | |||
12 | #endif /* _SPARC64_RWSEM_CONST_H */ | ||