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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Kernel support for NT synchronization primitive emulation
*
* Copyright (C) 2021-2022 Elizabeth Figura <zfigura@codeweavers.com>
*/
#ifndef __LINUX_NTSYNC_H
#define __LINUX_NTSYNC_H
#include <linux/types.h>
struct ntsync_sem_args {
__u32 count;
__u32 max;
};
struct ntsync_mutex_args {
__u32 owner;
__u32 count;
};
#define NTSYNC_WAIT_REALTIME 0x1
struct ntsync_wait_args {
__u64 timeout;
__u64 objs;
__u32 count;
__u32 index;
__u32 flags;
__u32 owner;
__u32 pad[2];
};
#define NTSYNC_MAX_WAIT_COUNT 64
#define NTSYNC_IOC_CREATE_SEM _IOW ('N', 0x80, struct ntsync_sem_args)
#define NTSYNC_IOC_WAIT_ANY _IOWR('N', 0x82, struct ntsync_wait_args)
#define NTSYNC_IOC_WAIT_ALL _IOWR('N', 0x83, struct ntsync_wait_args)
#define NTSYNC_IOC_CREATE_MUTEX _IOW ('N', 0x84, struct ntsync_mutex_args)
#define NTSYNC_IOC_SEM_RELEASE _IOWR('N', 0x81, __u32)
#define NTSYNC_IOC_MUTEX_UNLOCK _IOWR('N', 0x85, struct ntsync_mutex_args)
#endif
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