| #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 */ |