diff options
Diffstat (limited to 'include/lib/spinlock.h')
-rw-r--r-- | include/lib/spinlock.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/lib/spinlock.h b/include/lib/spinlock.h new file mode 100644 index 000000000..27ea7305e --- /dev/null +++ b/include/lib/spinlock.h @@ -0,0 +1,18 @@ +/* + * Copyright (c) 2018, Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef __SPINLOCK_H__ +#define __SPINLOCK_H__ + +typedef struct spinlock { + volatile unsigned int lock; +} spinlock_t; + +void init_spinlock(spinlock_t *lock); +void spin_lock(spinlock_t *lock); +void spin_unlock(spinlock_t *lock); + +#endif /* __SPINLOCK_H__ */ |