diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-02-24 00:12:35 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-02-24 00:12:35 +0000 |
| commit | 482368b1a8e45430672c58c9a42e7d2004367126 (patch) | |
| tree | ce2a1a567d4d62dee7c2e71a46a99cf72cf1d606 /include/asm-ppc/spinlock.h | |
| parent | e4d0251c6f56ab2e191afb70f80f382793e23f74 (diff) | |
Merge with 2.3.47. Guys, this is buggy as shit. You've been warned.
Diffstat (limited to 'include/asm-ppc/spinlock.h')
| -rw-r--r-- | include/asm-ppc/spinlock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ppc/spinlock.h b/include/asm-ppc/spinlock.h index ad1fdda17..5e7e2a19e 100644 --- a/include/asm-ppc/spinlock.h +++ b/include/asm-ppc/spinlock.h @@ -14,6 +14,7 @@ typedef struct { #define SPIN_LOCK_UNLOCKED (spinlock_t) { 0, 0, 0 } #define spin_lock_init(lp) do { (lp)->lock = 0; } while(0) #define spin_unlock_wait(lp) do { barrier(); } while((lp)->lock) +#define spin_is_locked(x) ((x)->lock != 0) extern void _spin_lock(spinlock_t *lock); extern void _spin_unlock(spinlock_t *lock); |