Linux-2.6.12-rc2
[linux-2.6/kvm.git] / include / asm-sparc64 / rwsem-const.h
bloba303c9d64d845989e313a326f4c5e92f283148a5
1 /* rwsem-const.h: RW semaphore counter constants. */
2 #ifndef _SPARC64_RWSEM_CONST_H
3 #define _SPARC64_RWSEM_CONST_H
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)
12 #endif /* _SPARC64_RWSEM_CONST_H */