diff options
Diffstat (limited to 'freebsd/sys/sys/sx.h')
| -rw-r--r-- | freebsd/sys/sys/sx.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/freebsd/sys/sys/sx.h b/freebsd/sys/sys/sx.h index 33143057..566137bd 100644 --- a/freebsd/sys/sys/sx.h +++ b/freebsd/sys/sys/sx.h @@ -77,12 +77,14 @@ #define SX_LOCK_SHARED_WAITERS 0x02 #define SX_LOCK_EXCLUSIVE_WAITERS 0x04 #define SX_LOCK_RECURSED 0x08 +#define SX_LOCK_WRITE_SPINNER 0x10 #define SX_LOCK_FLAGMASK \ (SX_LOCK_SHARED | SX_LOCK_SHARED_WAITERS | \ - SX_LOCK_EXCLUSIVE_WAITERS | SX_LOCK_RECURSED) + SX_LOCK_EXCLUSIVE_WAITERS | SX_LOCK_RECURSED | SX_LOCK_WRITE_SPINNER) +#define SX_LOCK_WAITERS (SX_LOCK_SHARED_WAITERS | SX_LOCK_EXCLUSIVE_WAITERS) #define SX_OWNER(x) ((x) & ~SX_LOCK_FLAGMASK) -#define SX_SHARERS_SHIFT 4 +#define SX_SHARERS_SHIFT 5 #define SX_SHARERS(x) (SX_OWNER(x) >> SX_SHARERS_SHIFT) #define SX_SHARERS_LOCK(x) \ ((x) << SX_SHARERS_SHIFT | SX_LOCK_SHARED) |