37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/****************************************************************************
|
|
****************************************************************************
|
|
***
|
|
*** 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 __ASM_ARM_SEMAPHORE_H
|
|
#define __ASM_ARM_SEMAPHORE_H
|
|
|
|
#include <linux/linkage.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/rwsem.h>
|
|
|
|
#include <asm/atomic.h>
|
|
#include <asm/locks.h>
|
|
|
|
struct semaphore {
|
|
atomic_t count;
|
|
int sleepers;
|
|
wait_queue_head_t wait;
|
|
};
|
|
|
|
#define __SEMAPHORE_INIT(name, cnt) { .count = ATOMIC_INIT(cnt), .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), }
|
|
|
|
#define __DECLARE_SEMAPHORE_GENERIC(name,count) struct semaphore name = __SEMAPHORE_INIT(name,count)
|
|
|
|
#define DECLARE_MUTEX(name) __DECLARE_SEMAPHORE_GENERIC(name,1)
|
|
#define DECLARE_MUTEX_LOCKED(name) __DECLARE_SEMAPHORE_GENERIC(name,0)
|
|
|
|
#endif
|