arch/ia64/include/asm/spinlock_types.h

   1 #ifndef _ASM_IA64_SPINLOCK_TYPES_H
   2 #define _ASM_IA64_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 int lock;
  10 } arch_spinlock_t;
  11
  12 #define __ARCH_SPIN_LOCK_UNLOCKED       { 0 }
  13
  14 typedef struct {
  15         volatile unsigned int read_counter      : 31;
  16         volatile unsigned int write_lock        :  1;
  17 } arch_rwlock_t;
  18
  19 #define __ARCH_RW_LOCK_UNLOCKED         { 0, 0 }
  20
  21 #endif