projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| fb1c8f93 IM |
1 | #ifndef __LINUX_SPINLOCK_TYPES_UP_H |
| 2 | #define __LINUX_SPINLOCK_TYPES_UP_H | |
| 3 | ||
| 4 | #ifndef __LINUX_SPINLOCK_TYPES_H | |
| 5 | # error "please don't include this file directly" | |
| 6 | #endif | |
| 7 | ||
| 8 | /* | |
| 9 | * include/linux/spinlock_types_up.h - spinlock type definitions for UP | |
| 10 | * | |
| 11 | * portions Copyright 2005, Red Hat, Inc., Ingo Molnar | |
| 12 | * Released under the General Public License (GPL). | |
| 13 | */ | |
| 14 | ||
| 15 | #ifdef CONFIG_DEBUG_SPINLOCK | |
| 16 | ||
| 17 | typedef struct { | |
| 18 | volatile unsigned int slock; | |
| 19 | } raw_spinlock_t; | |
| 20 | ||
| 21 | #define __RAW_SPIN_LOCK_UNLOCKED { 1 } | |
| 22 | ||
| 23 | #else | |
| 24 | ||
| 25 | /* | |
| 26 | * All gcc 2.95 versions and early versions of 2.96 have a nasty bug | |
| 27 | * with empty initializers. | |
| 28 | */ | |
| 29 | #if (__GNUC__ > 2) | |
| 30 | typedef struct { } raw_spinlock_t; | |
| 31 | ||
| 32 | #define __RAW_SPIN_LOCK_UNLOCKED { } | |
| 33 | #else | |
| 34 | typedef struct { int gcc_is_buggy; } raw_spinlock_t; | |
| 35 | #define __RAW_SPIN_LOCK_UNLOCKED (raw_spinlock_t) { 0 } | |
| 36 | #endif | |
| 37 | ||
| 38 | #endif | |
| 39 | ||
| 40 | #if (__GNUC__ > 2) | |
| 41 | typedef struct { | |
| 42 | /* no debug version on UP */ | |
| 43 | } raw_rwlock_t; | |
| 44 | ||
| 45 | #define __RAW_RW_LOCK_UNLOCKED { } | |
| 46 | #else | |
| 47 | typedef struct { int gcc_is_buggy; } raw_rwlock_t; | |
| 48 | #define __RAW_RW_LOCK_UNLOCKED (raw_rwlock_t) { 0 } | |
| 49 | #endif | |
| 50 | ||
| 51 | #endif /* __LINUX_SPINLOCK_TYPES_UP_H */ |