Blame src/msq/ntapi_msq_set.c

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/********************************************************/
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/*  ntapi: Native API core library                      */
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/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
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/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
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/********************************************************/
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#include <psxtypes/psxtypes.h>
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#include <ntapi/nt_file.h>
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#include <ntapi/nt_string.h>
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#include <ntapi/nt_atomic.h>
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#include <ntapi/nt_port.h>
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#include <ntapi/nt_ipc.h>
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#include <ntapi/nt_msq.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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int32_t	__stdcall __ntapi_msq_set(
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	__in	nt_msq_info *		msq,
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	__out	nt_io_status_block *	iosb,
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	__in	void *			msq_info,
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	__in	uint32_t		msq_info_length,
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	__in	int32_t			msq_info_class)
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{
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	int32_t			status;
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	nt_msq_info_msg		msg;
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	/* validate */
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	if (!iosb)
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		return NT_STATUS_INVALID_PARAMETER;
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	else if (!msq_info)
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		return NT_STATUS_INVALID_PARAMETER;
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	else if (msq_info_length != sizeof(msg.data.msqinfo))
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		return NT_STATUS_INFO_LENGTH_MISMATCH;
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	else if (msq_info_class)
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		return NT_STATUS_INVALID_INFO_CLASS;
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	/* msg */
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	__ntapi->tt_aligned_block_memset(
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		&msg,0,sizeof(msg));
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	msg.header.msg_type		= NT_LPC_NEW_MESSAGE;
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	msg.header.data_size		= sizeof(msg.data);
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	msg.header.msg_size		= sizeof(msg);
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	msg.data.ttyinfo.opcode		= NT_TTY_MSQ_SET;
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	__ntapi->tt_generic_memcpy(
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		&msg.data.msqinfo,
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		msq_info,
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		sizeof(msg.data.msqinfo));
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	msg.data.msqinfo.msqkey		= msq->msqkey;
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	msg.data.msqinfo.msqid		= msq->msqid;
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	msg.data.msqinfo.section_size	= msq_info_length;
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	if ((status = __ntapi->zw_request_wait_reply_port(msq->hport,&msg,&msg)))
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		return status;
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	else if (msg.data.ttyinfo.status)
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		return msg.data.ttyinfo.status;
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	/* reply */
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	iosb->status = NT_STATUS_SUCCESS;
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	iosb->info   = 0;
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	return NT_STATUS_SUCCESS;
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}