https://github.com/torvalds/linux
Raw File
Tip revision: 1001354ca34179f3db924eb66672442a173147dc authored by Linus Torvalds on 15 October 2016, 19:17:50 UTC
Linux 4.9-rc1
Tip revision: 1001354
spinlock_types_up.h
#ifndef __LINUX_SPINLOCK_TYPES_UP_H
#define __LINUX_SPINLOCK_TYPES_UP_H

#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif

/*
 * include/linux/spinlock_types_up.h - spinlock type definitions for UP
 *
 * portions Copyright 2005, Red Hat, Inc., Ingo Molnar
 * Released under the General Public License (GPL).
 */

#ifdef CONFIG_DEBUG_SPINLOCK

typedef struct {
	volatile unsigned int slock;
} arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED { 1 }

#else

typedef struct { } arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED { }

#endif

typedef struct {
	/* no debug version on UP */
} arch_rwlock_t;

#define __ARCH_RW_LOCK_UNLOCKED { }

#endif /* __LINUX_SPINLOCK_TYPES_UP_H */
back to top