linux/include/linux/spinlock_types_up.h
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   1#ifndef __LINUX_SPINLOCK_TYPES_UP_H
   2#define __LINUX_SPINLOCK_TYPES_UP_H
   3
   4#ifndef __LINUX_SPINLOCK_TYPES_H
   5# error "please don't include this file directly"
   6#endif
   7
   8/*
   9 * include/linux/spinlock_types_up.h - spinlock type definitions for UP
  10 *
  11 * portions Copyright 2005, Red Hat, Inc., Ingo Molnar
  12 * Released under the General Public License (GPL).
  13 */
  14
  15#ifdef CONFIG_DEBUG_SPINLOCK
  16
  17typedef struct {
  18        volatile unsigned int slock;
  19} arch_spinlock_t;
  20
  21#define __ARCH_SPIN_LOCK_UNLOCKED { 1 }
  22
  23#else
  24
  25typedef struct { } arch_spinlock_t;
  26
  27#define __ARCH_SPIN_LOCK_UNLOCKED { }
  28
  29#endif
  30
  31typedef struct {
  32        /* no debug version on UP */
  33} arch_rwlock_t;
  34
  35#define __ARCH_RW_LOCK_UNLOCKED { }
  36
  37#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
  38
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