diff options
Diffstat (limited to 'include/apos/lock.h')
| -rw-r--r-- | include/apos/lock.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/apos/lock.h b/include/apos/lock.h index b8983fa..178140b 100644 --- a/include/apos/lock.h +++ b/include/apos/lock.h @@ -2,12 +2,14 @@ #define LOCK_H #include <apos/atomic.h> +#include <apos/irq.h> typedef atomic_int spinlock_t; #include <lock.h> static inline void spin_lock(spinlock_t *lck) { + disable_irq(); do { while (atomic_load_explicit(lck, memory_order_acquire)) optional_pause(); @@ -18,6 +20,7 @@ static inline void spin_lock(spinlock_t *lck) static inline void spin_unlock(spinlock_t *lck) { atomic_store_explicit(lck, 0, memory_order_release); + enable_irq(); } #endif /* LOCK_H */ |