LXR linux/kernel/mutex.h

   1/*
   2 * Mutexes: blocking mutual exclusion locks
   3 *
   4 * started by Ingo Molnar:
   5 *
   6 *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
   7 *
   8 * This file contains mutex debugging related internal prototypes, for the
   9 * !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
  10 */
  11
  12#define spin_lock_mutex(lock, flags) \
  13                do { spin_lock(lock); (void)(flags); } while (0)
  14#define spin_unlock_mutex(lock, flags) \
  15                do { spin_unlock(lock); (void)(flags); } while (0)
  16#define mutex_remove_waiter(lock, waiter, ti) \
  17                __list_del((waiter)->list.prev, (waiter)->list.next)
  18
  19#define debug_mutex_set_owner(lock, new_owner)          do { } while (0)
  20#define debug_mutex_clear_owner(lock)                   do { } while (0)
  21#define debug_mutex_wake_waiter(lock, waiter)           do { } while (0)
  22#define debug_mutex_free_waiter(waiter)                 do { } while (0)
  23#define debug_mutex_add_waiter(lock, waiter, ti)        do { } while (0)
  24#define debug_mutex_unlock(lock)                        do { } while (0)
  25#define debug_mutex_init(lock, name, key)               do { } while (0)
  26
  27static inline void
  28debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
  29{
  30}
  31