#ifndef _NT_IPC_H_
#define _NT_IPC_H_

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

/* friendly ipc guids */
#define NT_IPC_GUID_SEMCTL		{0xe47c05df,0x5f5c,0x4762,{0xa2,0x79,0xd2,0x82,0xf5,0x39,0xea,0xdf}}
#define NT_IPC_GUID_SEMKEY		{0xc6e442c3,0x2ac5,0x4d1d,{0x92,0xf3,0x6e,0x10,0xc6,0x1f,0x53,0x79}}
#define NT_IPC_GUID_SEMPID		{0x571ac9bb,0x22eb,0x43f2,{0x8d,0xd6,0x64,0x39,0x49,0xa6,0xe9,0x1f}}

/* friendly ipc object directory prefixes */
#define NT_IPC_OBJDIR_PREFIX_SEMCTL	{'s','e','m','c','t','l'}
#define NT_IPC_OBJDIR_PREFIX_SEMKEY	{'s','e','m','k','e','y'}
#define NT_IPC_OBJDIR_PREFIX_SEMPID	{'s','e','m','p','i','d'}


/* ipc commands */
#define NT_IPC_CMD_RMID			(0)
#define NT_IPC_CMD_SET 			(1)
#define NT_IPC_CMD_STAT			(2)
#define NT_IPC_CMD_INFO			(3)


/* ipc special keys */
#define NT_IPC_KEY_PRIVATE		(0)


/* ipc extension interfaces */
typedef int32_t __stdcall	ntapi_ipc_create_pipe(
	__out		void **		hpipe_read,
	__out		void **		hpipe_write,
	__in		uint32_t	advisory_buffer_size);


typedef int32_t __stdcall	ntapi_ipc_connect_by_attr(
	__out	void **			hport,
	__in	nt_port_attr *		attr);


typedef int32_t __stdcall	ntapi_ipc_connect_by_name(
	__out	void **			hport,
	__in	nt_port_name *		name);


typedef int32_t __stdcall	ntapi_ipc_connect_by_symlink(
	__out	void **			hport,
	__in	void *			hsymlink);


typedef int32_t __stdcall	ntapi_ipc_connect_by_port(
	__in	void *			hconn,
	__in	nt_port_attr *		attr);


typedef int32_t __stdcall	ntapi_ipc_connect_section_by_attr(
	__out	void **			hport,
	__in	nt_port_attr *		attr,
	__out	void **			hsection,
	__out	void **			section_addr,
	__out	size_t *		section_size);


typedef int32_t __stdcall	ntapi_ipc_connect_section_by_name(
	__out	void **			hport,
	__in	nt_port_name *		name,
	__out	void **			hsection,
	__out	void **			section_addr,
	__out	size_t *		section_size);


typedef int32_t __stdcall	ntapi_ipc_connect_section_by_symlink(
	__out	void **			hport,
	__in	void *			hsymlink,
	__out	void **			hsection,
	__out	void **			section_addr,
	__out	size_t *		section_size);


typedef int32_t __stdcall	ntapi_ipc_connect_section_by_port(
	__in	void *			hconn,
	__in	nt_port_attr *		attr,
	__out	void **			hsection,
	__out	void **			section_addr,
	__out	size_t *		section_size);


typedef int32_t __stdcall	ntapi_ipc_get_port_by_attr(
	__out	void **			hport,
	__in	nt_port_attr *		attr);


typedef int32_t __stdcall	ntapi_ipc_get_port_section_by_attr(
	__out	void **			hport,
	__in	nt_port_attr *		attr,
	__out	void **			hsection,
	__out	void **			section_addr,
	__out	size_t *		section_size);


typedef int32_t __stdcall	ntapi_ipc_init_section_by_port(
	__in	void *			hconn,
	__out	void **			hsection,
	__out	void **			section_addr,
	__out	size_t *		section_size);


typedef int32_t __stdcall	ntapi_ipc_disconnect_unmap_section_by_port(
	__in	void *			hconn);

#endif