include/asm-sh/spinlock_types.h

   1 #ifndef __ASM_SH_SPINLOCK_TYPES_H
   2 #define __ASM_SH_SPINLOCK_TYPES_H
   3
   4 #ifndef __LINUX_SPINLOCK_TYPES_H
   5 # error "please don't include this file directly"
   6 #endif
   7
   8 typedef struct {
   9         volatile unsigned long lock;
  10 } raw_spinlock_t;
  11
  12 #define __SPIN_LOCK_UNLOCKED            { 0 }
  13
  14 typedef struct {
  15         raw_spinlock_t lock;
  16         atomic_t counter;
  17 } raw_rwlock_t;
  18
  19 #define RW_LOCK_BIAS                    0x01000000
  20 #define __RAW_RW_LOCK_UNLOCKED          { { 0 }, { RW_LOCK_BIAS } }
  21
  22 #endif