1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef __LINUX_MUTEX_H
13#define __LINUX_MUTEX_H
14
15#include <linux/list.h>
16#include <linux/spinlock_types.h>
17#include <linux/linkage.h>
18#include <linux/lockdep.h>
19
20#include <asm/atomic.h>
21
22struct mutex {
23
24 atomic_t count;
25 spinlock_t wait_lock;
26 struct list_head wait_list;
27};
28
29struct mutex_waiter {
30 struct list_head list;
31 struct task_struct *task;
32};
33
34#define __DEBUG_MUTEX_INITIALIZER(lockname)
35#define mutex_init(mutex)  do {   static struct lock_class_key __key;     __mutex_init((mutex), #mutex, &__key);  } while (0)
36#define mutex_destroy(mutex) do { } while (0)
37
38#define __DEP_MAP_MUTEX_INITIALIZER(lockname)
39
40#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) }
41
42#define DEFINE_MUTEX(mutexname)   struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)
43
44#define mutex_lock_nested(lock, subclass) mutex_lock(lock)
45
46#endif
47