#ifndef __LINUX_SPINLOCK_TYPES_H #define __LINUX_SPINLOCK_TYPES_H /* * include/linux/spinlock_types.h - generic spinlock type definitions * and initializers * * portions Copyright 2005, Red Hat, Inc., Ingo Molnar * Released under the General Public License (GPL). */ #include typedef struct spinlock { union { struct raw_spinlock rlock; #ifdef CONFIG_DEBUG_LOCK_ALLOC # define LOCK_PADSIZE (offsetof(struct raw_spinlock, dep_map)) struct { u8 __padding[LOCK_PADSIZE]; struct lockdep_map dep_map; }; #endif }; } spinlock_t; #define ___SPIN_LOCK_INITIALIZER(lockname) \ { \ .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ SPIN_DEBUG_INIT(lockname) \ SPIN_DEP_MAP_INIT(lockname) } #define __SPIN_LOCK_INITIALIZER(lockname) \ { { .rlock = ___SPIN_LOCK_INITIALIZER(lockname) } } #define __SPIN_LOCK_UNLOCKED(lockname) \ (spinlock_t) __SPIN_LOCK_INITIALIZER(lockname) #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) #include #endif /* __LINUX_SPINLOCK_TYPES_H */