#ifndef _NT_SEM_H_

#define _NT_SEM_H_

#include "nt_abi.h"

#include "nt_object.h"

/* semaphore commands */

#define NT_SEM_CMD_GETPID		(11)

#define NT_SEM_CMD_GETVAL		(12)

#define NT_SEM_CMD_GETALL		(13)

#define NT_SEM_CMD_GETNCNT		(14)

#define NT_SEM_CMD_GETZCNT		(15)

#define NT_SEM_CMD_SETVAL		(16)

#define NT_SEM_CMD_SETALL		(17)

/* semaphore command flags */

#define NT_SEM_FLAG_NOWAIT		(0x0800)

#define NT_SEM_FLAG_UNDO		(0x1000)

/* semaphore info */

typedef struct __attr_ptr_size_aligned__ _nt_sem_info {

	void *		hport;

	void *		section;

	void *		section_addr;

	size_t		section_size;

	void *		hevent;

	void *		apc_routine;

	void *		apc_context;

	int32_t		semkey;

	int32_t		semslots;

	int32_t		semid;

	int32_t		semnum;

	int32_t		semcmd;

	int32_t		sempid;

	int32_t		semncnt;

	int32_t		semzcnt;

	int32_t		semval;

	int32_t		semadj;

	nt_filetime	semotime;

	nt_filetime	semctime;

	uint64_t	ipcuid;

	uint64_t	ipcgid;

	uint64_t	ipccuid;

	uint64_t	ipccgid;

	uint32_t	ipcmode;

	int32_t		ipcseq;

	uint32_t	ntaccess;

	uint32_t	ntattr;

	uint32_t	ntshare;

	uint32_t	ntoptions;

	nt_iosb		ntiosb;

	nt_iosb *	riosb;

} nt_sem_info;

/* semaphore operation */

typedef struct _nt_sem_op {

        uint16_t	semnum;

        int16_t		semop;

        int16_t		semflag;

} nt_sem_op;

/* semaphore client interfaces */

typedef int32_t	__stdcall ntapi_sem_create(

	__in	void *			hport,

	__out	nt_sem_info *		sem,

	__in	uint32_t		access,

	__in	nt_object_attributes *	oa,

	__out	nt_iosb *		iosb,

	__in	uint32_t		share,

	__in	uint32_t		nslots);

typedef int32_t	__stdcall ntapi_sem_open(

	__in	void *			hport,

	__out	nt_sem_info *		sem,

	__in	uint32_t		access,

	__in	nt_object_attributes *	oa,

	__out	nt_iosb *		iosb,

	__in	uint32_t		share,

	__in	uint32_t		nslots);

typedef int32_t	__stdcall ntapi_sem_fcntl(

	__in	nt_sem_info *		sem,

	__in	void *			hevent			__optional,

	__in	nt_io_apc_routine *	apc_routine		__optional,

	__in	void *			apc_context		__optional,

	__out	nt_iosb *		iosb,

	__in	uint32_t		tty_control_code,

	__in	void *			input_buffer		__optional,

	__in	uint32_t		input_buffer_length,

	__out	void *			output_buffer		__optional,

	__in	uint32_t		output_buffer_length);

typedef int32_t	__stdcall ntapi_sem_ioctl(

	__in	nt_sem_info *		sem,

	__in	void *			hevent			__optional,

	__in	nt_io_apc_routine *	apc_routine		__optional,

	__in	void *			apc_context		__optional,

	__out	nt_iosb *		iosb,

	__in	uint32_t		ipc_control_code,

	__in	void *			input_buffer		__optional,

	__in	uint32_t		input_buffer_length,

	__out	void *			output_buffer		__optional,

	__in	uint32_t		output_buffer_length);

typedef int32_t	__stdcall ntapi_sem_query(

	__in	nt_sem_info *		sem,

	__out	nt_io_status_block *	iosb,

	__out	void *			sem_info,

	__in	uint32_t		sem_info_length,

	__in	int32_t			sem_ipc_cmd);

typedef int32_t	__stdcall ntapi_sem_set(

	__in	nt_sem_info *		sem,

	__out	nt_io_status_block *	iosb,

	__in	void *			sem_info,

	__in	uint32_t		sem_info_length,

	__in	int32_t			sem_ipc_cmd);

typedef int32_t	__stdcall ntapi_sem_cancel(

	__in	nt_sem_info *		sem,

	__out	nt_iosb *		iosb);

typedef int32_t	__stdcall ntapi_sem_free(

	__in	nt_sem_info *		sem,

	__out	nt_iosb *		iosb);

#endif