#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 *		hprocess;
	void *		hthread;
	void *		section;
	void *		section_addr;
	size_t		section_size;
	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;
	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 *	riosb;
	void *		hevent[2];
} nt_sem_info;


/* semaphore operation */
typedef struct _nt_sem_op {
        uint16_t	semnum;
        int16_t		semop;
        int16_t		semflag;
} nt_sem_op;

#endif