6053ee3b32
mutex implementation, core files: just the basic subsystem, no users of it. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@infradead.org>
35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/*
|
|
* Mutexes: blocking mutual exclusion locks
|
|
*
|
|
* started by Ingo Molnar:
|
|
*
|
|
* Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
|
|
*
|
|
* This file contains mutex debugging related internal prototypes, for the
|
|
* !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
|
|
*/
|
|
|
|
#define spin_lock_mutex(lock) spin_lock(lock)
|
|
#define spin_unlock_mutex(lock) spin_unlock(lock)
|
|
#define mutex_remove_waiter(lock, waiter, ti) \
|
|
__list_del((waiter)->list.prev, (waiter)->list.next)
|
|
|
|
#define DEBUG_WARN_ON(c) do { } while (0)
|
|
#define debug_mutex_set_owner(lock, new_owner) do { } while (0)
|
|
#define debug_mutex_clear_owner(lock) do { } while (0)
|
|
#define debug_mutex_init_waiter(waiter) do { } while (0)
|
|
#define debug_mutex_wake_waiter(lock, waiter) do { } while (0)
|
|
#define debug_mutex_free_waiter(waiter) do { } while (0)
|
|
#define debug_mutex_add_waiter(lock, waiter, ti, ip) do { } while (0)
|
|
#define debug_mutex_unlock(lock) do { } while (0)
|
|
#define debug_mutex_init(lock, name) do { } while (0)
|
|
|
|
/*
|
|
* Return-address parameters/declarations. They are very useful for
|
|
* debugging, but add overhead in the !DEBUG case - so we go the
|
|
* trouble of using this not too elegant but zero-cost solution:
|
|
*/
|
|
#define __IP_DECL__
|
|
#define __IP__
|
|
#define __RET_IP__
|
|
|