[thirdparty/kernel/linux.git] / include / asm-generic / qrwlock_types.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_GENERIC_QRWLOCK_TYPES_H
#define __ASM_GENERIC_QRWLOCK_TYPES_H

#include <linux/types.h>
#include <asm/spinlock_types.h>

/*
 * The queue read/write lock data structure
 */

typedef struct qrwlock {
	atomic_t		cnts;
	arch_spinlock_t		wait_lock;
} arch_rwlock_t;

#define	__ARCH_RW_LOCK_UNLOCKED {		\
	.cnts = ATOMIC_INIT(0),			\
	.wait_lock = __ARCH_SPIN_LOCK_UNLOCKED,	\
}

#endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
70af2f8a WL	2	#ifndef __ASM_GENERIC_QRWLOCK_TYPES_H
	3	#define __ASM_GENERIC_QRWLOCK_TYPES_H
	4
	5	#include <linux/types.h>
	6	#include <asm/spinlock_types.h>
	7
	8	/*
	9	* The queue read/write lock data structure
	10	*/
	11
	12	typedef struct qrwlock {
	13	atomic_t cnts;
6e1e5196	14	arch_spinlock_t wait_lock;
70af2f8a WL	15	} arch_rwlock_t;
	16
	17	#define __ARCH_RW_LOCK_UNLOCKED { \
	18	.cnts = ATOMIC_INIT(0), \
6e1e5196	19	.wait_lock = __ARCH_SPIN_LOCK_UNLOCKED, \
70af2f8a WL	20	}
	21
	22	#endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */