#ifndef _NT_MSQ_H_
#define _NT_MSQ_H_

#include "nt_abi.h"
#include "nt_object.h"

/* semaphore command flags */
#define NT_MSQ_FLAG_NOWAIT		(0x0800)
#define NT_MSQ_FLAG_NOERROR		(0x1000)


/* msgqueue info */
typedef struct __attr_ptr_size_aligned__ _nt_msq_info {
	void *		hport;
	void *		section;
	void *		section_addr;
	size_t		section_size;
	void *		hevent;
	void *		apc_routine;
	void *		apc_context;
	int32_t		msqkey;
	int32_t		msqid;
	int32_t		msqspid;
	int32_t		msqrpid;
	intptr_t	msqrank;
	uintptr_t	msqslots;
	uintptr_t	msqcbytes;
	uintptr_t	msqqbytes;
	uint32_t	msqscnt;
	uint32_t	msqrcnt;
	nt_filetime	msqstime;
	nt_filetime	msqrtime;
	nt_filetime	msqctime;
	uint32_t	ipcuid;
	uint32_t	ipcgid;
	uint32_t	ipccuid;
	uint32_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_msq_info;


/* msgqueue client interfaces */
typedef int32_t	__stdcall ntapi_msq_create(
	__in	void *			hport,
	__out	nt_msq_info *		msq,
	__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_msq_open(
	__in	void *			hport,
	__out	nt_msq_info *		msq,
	__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_msq_send(
	__in	nt_msq_info *		msq,
	__in 	void *			hevent		__optional,
	__in	nt_io_apc_routine *	apc_routine	__optional,
	__in	void * 			apc_context	__optional,
	__in	const void *		buffer,
	__in	size_t			len,
	__in	intptr_t		rank,
	__in	uint32_t		options,
	__out	nt_io_status_block *	iosb);


typedef int32_t __stdcall ntapi_msq_recv(
	__in	nt_msq_info *		msq,
	__in 	void *			hevent		__optional,
	__in	nt_io_apc_routine *	apc_routine	__optional,
	__in	void * 			apc_context	__optional,
	__out	void *			buffer,
	__in	size_t			len,
	__in	intptr_t		rank,
	__in	uint32_t		options,
	__out	nt_io_status_block *	iosb);


typedef int32_t	__stdcall ntapi_msq_fcntl(
	__in	nt_msq_info *		msq,
	__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_msq_ioctl(
	__in	nt_msq_info *		msq,
	__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_msq_query(
	__in	nt_msq_info *		msq,
	__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_msq_set(
	__in	nt_msq_info *		msq,
	__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_msq_cancel(
	__in	nt_msq_info *		msq,
	__out	nt_iosb *		iosb);


typedef int32_t	__stdcall ntapi_msq_free(
	__in	nt_msq_info *		msq,
	__out	nt_iosb *		iosb);


#endif