include/linux/spinlock_types_up.h

   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 #if defined(CONFIG_DEBUG_SPINLOCK) || \
  16         defined(CONFIG_DEBUG_LOCK_ALLOC)
  17
  18 typedef struct {
  19         volatile unsigned int slock;
  20 #ifdef CONFIG_DEBUG_LOCK_ALLOC
  21         struct lockdep_map dep_map;
  22 #endif
  23 } raw_spinlock_t;
  24
  25 #define __RAW_SPIN_LOCK_UNLOCKED { 1 }
  26
  27 #else
  28
  29 typedef struct { } raw_spinlock_t;
  30
  31 #define __RAW_SPIN_LOCK_UNLOCKED { }
  32
  33 #endif
  34
  35 typedef struct {
  36         /* no debug version on UP */
  37 #ifdef CONFIG_DEBUG_LOCK_ALLOC
  38         struct lockdep_map dep_map;
  39 #endif
  40 } raw_rwlock_t;
  41
  42 #define __RAW_RW_LOCK_UNLOCKED { }
  43
  44 #endif /* __LINUX_SPINLOCK_TYPES_UP_H */