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/* Public domain. */
#ifndef _LINUX_MUTEX_H
#define _LINUX_MUTEX_H
#include <sys/stdint.h>
#include <sys/rwlock.h>
#include <linux/list.h>
#include <linux/spinlock_types.h>
#define DEFINE_MUTEX(x) struct rwlock x
#define mutex_lock_interruptible(rwl) -rw_enter(rwl, RW_WRITE | RW_INTR)
#define mutex_lock(rwl) rw_enter_write(rwl)
#define mutex_lock_nest_lock(rwl, sub) rw_enter_write(rwl)
#define mutex_lock_nested(rwl, sub) rw_enter_write(rwl)
#define mutex_trylock(rwl) (rw_enter(rwl, RW_WRITE | RW_NOSLEEP) == 0)
#define mutex_unlock(rwl) rw_exit_write(rwl)
#define mutex_is_locked(rwl) (rw_status(rwl) == RW_WRITE)
#define mutex_destroy(rwl)
#endif
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