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   1 #ifndef _ASM_SPINLOCK_TYPES_H
   2 #define _ASM_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         /*
  10          * bits  0..13: serving_now
  11          * bits 14    : junk data
  12          * bits 15..28: ticket
  13          */
  14         unsigned int lock;
  15 } arch_spinlock_t;
  16
  17 #define __RAW_SPIN_LOCK_UNLOCKED        { 0 }
  18
  19 typedef struct {
  20         volatile unsigned int lock;
  21 } raw_rwlock_t;
  22
  23 #define __RAW_RW_LOCK_UNLOCKED          { 0 }
  24
  25 #endif