#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; } raw_spinlock_t; #define __RAW_SPIN_LOCK_UNLOCKED { 1 } #else /* * All gcc 2.95 versions and early versions of 2.96 have a nasty bug * with empty initializers. */ #if (__GNUC__ > 2) typedef struct { } raw_spinlock_t; #define __RAW_SPIN_LOCK_UNLOCKED { } #else typedef struct { int gcc_is_buggy; } raw_spinlock_t; #define __RAW_SPIN_LOCK_UNLOCKED (raw_spinlock_t) { 0 } #endif #endif #if (__GNUC__ > 2) typedef struct { /* no debug version on UP */ } raw_rwlock_t; #define __RAW_RW_LOCK_UNLOCKED { } #else typedef struct { int gcc_is_buggy; } raw_rwlock_t; #define __RAW_RW_LOCK_UNLOCKED (raw_rwlock_t) { 0 } #endif #endif /* __LINUX_SPINLOCK_TYPES_UP_H */