diff options
author | Ian Moffett <ian@osmora.org> | 2024-12-15 22:50:56 -0500 |
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committer | Ian Moffett <ian@osmora.org> | 2024-12-15 22:50:56 -0500 |
commit | 5504521882fc4f12dc0c25fea57d53c583789492 (patch) | |
tree | 583714eb8737d8f2f4dfaf54d712dd237153150a /sys/kern/kern_synch.c | |
parent | e0928e6ddf94c25f026d02643ddd0a2016ddd17b (diff) |
kernel: synch: kern_lock.c -> kern_synch.c
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/kern/kern_synch.c')
-rw-r--r-- | sys/kern/kern_synch.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index 1b78642..67ef617 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -71,3 +71,15 @@ spinlock_usleep(struct spinlock *lock, size_t usec_max) return 0; } + +void +spinlock_acquire(struct spinlock *lock) +{ + while (__atomic_test_and_set(&lock->lock, __ATOMIC_ACQUIRE)); +} + +void +spinlock_release(struct spinlock *lock) +{ + __atomic_clear(&lock->lock, __ATOMIC_RELEASE); +} |