arch/s390/include/asm/spinlock_types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_SPINLOCK_TYPES_H
   3 #define __ASM_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         int lock;
  11 } __attribute__ ((aligned (4))) arch_spinlock_t;
  12
  13 #define __ARCH_SPIN_LOCK_UNLOCKED { .lock = 0, }
  14
  15 typedef struct {
  16         int cnts;
  17         arch_spinlock_t wait;
  18 } arch_rwlock_t;
  19
  20 #define __ARCH_RW_LOCK_UNLOCKED         { 0 }
  21
  22 #endif