diff options
| author | Ian Moffett <ian@osmora.org> | 2025-08-20 04:12:00 +0000 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-08-20 04:12:00 +0000 |
| commit | d751219f038d85bb3826b36fb5b87270433e2178 (patch) | |
| tree | 07955425252af8c1f855221a08b2b3e430b5103d | |
| parent | 74101c4128d8a4fc0e71be329865ca5d21c96ace (diff) | |
kernel: Do not spin in spinlock_try_acquire()
The spinlock_try_acquire() function should *not* block as it is meant to
simply attempt to acquire the lock and return its status.
Signed-off-by: Ian Moffett <ian@osmora.org>
| -rw-r--r-- | sys/kern/kern_synch.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index 497aff7..2ac39c8 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -110,8 +110,7 @@ spinlock_try_acquire(struct spinlock *lock) return 1; } - while (__atomic_test_and_set(&lock->lock, __ATOMIC_ACQUIRE)); - return 0; + return __atomic_test_and_set(&lock->lock, __ATOMIC_ACQUIRE); } void |