diff options
Diffstat (limited to 'include/asm-sh/spinlock_types.h')
-rw-r--r-- | include/asm-sh/spinlock_types.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-sh/spinlock_types.h b/include/asm-sh/spinlock_types.h new file mode 100644 index 0000000..8c41b6c --- /dev/null +++ b/include/asm-sh/spinlock_types.h @@ -0,0 +1,22 @@ +#ifndef __ASM_SH_SPINLOCK_TYPES_H +#define __ASM_SH_SPINLOCK_TYPES_H + +#ifndef __LINUX_SPINLOCK_TYPES_H +# error "please don't include this file directly" +#endif + +typedef struct { + volatile unsigned long lock; +} raw_spinlock_t; + +#define __SPIN_LOCK_UNLOCKED { 0 } + +typedef struct { + raw_spinlock_t lock; + atomic_t counter; +} raw_rwlock_t; + +#define RW_LOCK_BIAS 0x01000000 +#define __RAW_RW_LOCK_UNLOCKED { { 0 }, { RW_LOCK_BIAS } } + +#endif |