/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** **************************************************************************** ****************************************************************************/ #ifndef __LINUX_MUTEX_H #define __LINUX_MUTEX_H #include <linux/list.h> #include <linux/spinlock_types.h> #include <linux/linkage.h> #include <linux/lockdep.h> #include <asm/atomic.h> struct mutex { atomic_t count; spinlock_t wait_lock; struct list_head wait_list; }; struct mutex_waiter { struct list_head list; struct task_struct *task; }; #define __DEBUG_MUTEX_INITIALIZER(lockname) #define mutex_init(mutex) do { static struct lock_class_key __key; __mutex_init((mutex), #mutex, &__key); } while (0) #define mutex_destroy(mutex) do { } while (0) #define __DEP_MAP_MUTEX_INITIALIZER(lockname) #define __MUTEX_INITIALIZER(lockname) { .count = ATOMIC_INIT(1) , .wait_lock = SPIN_LOCK_UNLOCKED , .wait_list = LIST_HEAD_INIT(lockname.wait_list) __DEBUG_MUTEX_INITIALIZER(lockname) __DEP_MAP_MUTEX_INITIALIZER(lockname) } #define DEFINE_MUTEX(mutexname) struct mutex mutexname = __MUTEX_INITIALIZER(mutexname) #define mutex_lock_nested(lock, subclass) mutex_lock(lock) #endif