diff options
Diffstat (limited to 'include/asm-i386/spinlock.h')
| -rw-r--r-- | include/asm-i386/spinlock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h index 44a2e59e5..4ce58066c 100644 --- a/include/asm-i386/spinlock.h +++ b/include/asm-i386/spinlock.h @@ -44,6 +44,7 @@ typedef struct { */ #define spin_unlock_wait(x) do { barrier(); } while(((volatile spinlock_t *)(x))->lock) +#define spin_is_locked(x) ((x)->lock != 0) #define spin_lock_string \ "\n1:\t" \ |