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#ifndef _I386_SEMAPHORE_H
#define _I386_SEMAPHORE_H

#include <linux/linkage.h>

#ifdef __KERNEL__

#include <asm/system.h>
#include <asm/atomic.h>
#include <linux/wait.h>
#include <linux/rwsem.h>

typedef int sem_t;  /* sem.h */
int sem_wait(sem_t *sem);
int sem_init(sem_t *sem, int pshared, unsigned int value);
int sem_post(sem_t *sem);
int sem_trywait(sem_t *s);

struct semaphore {
        int init;
        int start_value;
        sem_t shark_sem;
};

#define DECLARE_MUTEX(name) struct semaphore name = { .init=0, .start_value=1}
#define DECLARE_MUTEX_LOCKED(name) struct semaphore name= { .init=0, .start_value=0}

static inline void down(struct semaphore * sem)
{
/*        if (sem->init == 0)
        {
                sem_init(&sem->shark_sem, 0, sem->start_value);
                sem->init = 1;
        }
        sem_wait(&sem->shark_sem);
*/

}

static inline void up(struct semaphore * sem)
{
/*
        sem_post(&sem->shark_sem);
*/

}

static inline void init_MUTEX (struct semaphore *sem)
{
/*
        sem_init(&sem->shark_sem, 0, 1);
*/

}

static inline void init_MUTEX_LOCKED (struct semaphore *sem)
{      
/*
        sem_init(&sem->shark_sem, 0, 0);
*/

}

static inline int down_trylock(struct semaphore * sem)
{      
        return 0;
/*
        return ( sem_trywait(&sem->shark_sem) );
*/

}

#endif
#endif