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/********************************************************/
/*  ntapi: Native API core library                      */
/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
/********************************************************/

#include <psxtypes/psxtypes.h>
#include <ntapi/nt_file.h>
#include <ntapi/nt_string.h>
#include <ntapi/nt_atomic.h>
#include <ntapi/nt_port.h>
#include <ntapi/nt_ipc.h>
#include <ntapi/nt_afl.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"

static int32_t __afl_fdio(
	nt_afl_info *		afl,
	nt_iosb *		iosb,
	uint32_t		opcode)
{
	int32_t			status;
	nt_afl_info_msg		msg;

	/* validate */
	if (!iosb)
		return NT_STATUS_INVALID_PARAMETER;

	/* msg */
	__ntapi->tt_aligned_block_memset(
		&msg,0,sizeof(msg));

	msg.header.msg_type		= NT_LPC_NEW_MESSAGE;
	msg.header.data_size		= sizeof(msg.data);
	msg.header.msg_size		= sizeof(msg);
	msg.data.ttyinfo.opcode		= opcode;

	if ((status = __ntapi->zw_request_wait_reply_port(afl->hport,&msg,&msg)))
		return status;
	else if (msg.data.ttyinfo.status)
		return msg.data.ttyinfo.status;

	iosb->status = NT_STATUS_SUCCESS;
	iosb->info   = 0;

	return NT_STATUS_SUCCESS;
}

int32_t	__stdcall __ntapi_afl_cancel(
	__in	nt_afl_info *		afl,
	__out	nt_iosb *		iosb)
{
	return __afl_fdio(afl,iosb,NT_TTY_AFL_CANCEL);
}

int32_t	__stdcall __ntapi_afl_free(
	__in	nt_afl_info *		afl,
	__out	nt_iosb *		iosb)
{
	return __afl_fdio(afl,iosb,NT_TTY_AFL_FREE);
}