[linux-2.6-block.git] / kernel / locking / mutex.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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 mutex_remove_waiter(lock, waiter, task) \
		__list_del((waiter)->list.prev, (waiter)->list.next)

#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)	do { } while (0)
#define debug_mutex_unlock(lock)			do { } while (0)
#define debug_mutex_init(lock, name, key)		do { } while (0)

static inline void
debug_mutex_lock_common(struct mutex *lock, struct mutex_waiter *waiter)
{
}
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
6053ee3b IM	2	/*
	3	* Mutexes: blocking mutual exclusion locks
	4	*
	5	* started by Ingo Molnar:
	6	*
	7	* Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
	8	*
	9	* This file contains mutex debugging related internal prototypes, for the
	10	* !CONFIG_DEBUG_MUTEXES case. Most of them are NOPs:
	11	*/
	12
6720a305	13	#define mutex_remove_waiter(lock, waiter, task) \
6053ee3b IM	14	__list_del((waiter)->list.prev, (waiter)->list.next)
6053ee3b IM	15
6053ee3b IM	16	#define debug_mutex_wake_waiter(lock, waiter) do { } while (0)
6053ee3b IM	17	#define debug_mutex_free_waiter(waiter) do { } while (0)
9a11b49a	18	#define debug_mutex_add_waiter(lock, waiter, ti) do { } while (0)
6053ee3b	19	#define debug_mutex_unlock(lock) do { } while (0)
ef5d4707	20	#define debug_mutex_init(lock, name, key) do { } while (0)
6053ee3b	21
9a11b49a IM	22	static inline void
	23	debug_mutex_lock_common(struct mutex lock, struct mutex_waiter waiter)
	24	{
	25	}