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 __ASM_ARM_SEMAPHORE_H
13#define __ASM_ARM_SEMAPHORE_H
14
15#include <linux/linkage.h>
16#include <linux/spinlock.h>
17#include <linux/wait.h>
18#include <linux/rwsem.h>
19
20#include <asm/atomic.h>
21#include <asm/locks.h>
22
23struct semaphore {
24 atomic_t count;
25 int sleepers;
26 wait_queue_head_t wait;
27};
28
29#define __SEMAPHORE_INIT(name, cnt)  {   .count = ATOMIC_INIT(cnt),   .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait),  }
30
31#define __DECLARE_SEMAPHORE_GENERIC(name,count)   struct semaphore name = __SEMAPHORE_INIT(name,count)
32
33#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
34#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
35
36#endif
37