arch/ia64/include/asm/spinlock_types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_IA64_SPINLOCK_TYPES_H
   3 #define _ASM_IA64_SPINLOCK_TYPES_H
   4
   5 #ifndef __LINUX_SPINLOCK_TYPES_H
   6 # error "please don't include this file directly"
   7 #endif
   8
   9 typedef struct {
  10         volatile unsigned int lock;
  11 } arch_spinlock_t;
  12
  13 #define __ARCH_SPIN_LOCK_UNLOCKED       { 0 }
  14
  15 typedef struct {
  16         volatile unsigned int read_counter      : 31;
  17         volatile unsigned int write_lock        :  1;
  18 } arch_rwlock_t;
  19
  20 #define __ARCH_RW_LOCK_UNLOCKED         { 0, 0 }
  21
  22 #endif