include/asm-s390/spinlock_types.h

   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         volatile unsigned int lock;
  10 } __attribute__ ((aligned (4))) raw_spinlock_t;
  11
  12 #define __RAW_SPIN_LOCK_UNLOCKED        { 0 }
  13
  14 typedef struct {
  15         volatile unsigned int lock;
  16         volatile unsigned int owner_pc;
  17 } raw_rwlock_t;
  18
  19 #define __RAW_RW_LOCK_UNLOCKED          { 0, 0 }
  20
  21 #endif