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/********************************************************/
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/* ntapi: Native API core library */
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/* Copyright (C) 2013--2017 Z. Gilboa */
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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_query(
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__in nt_msq_info * msq,
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__out nt_io_status_block * iosb,
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__out 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_BUFFER_TOO_SMALL;
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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_QUERY;
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msg.data.msqinfo.msqkey = msq->msqkey;
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msg.data.msqinfo.msqid = msq->msqid;
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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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if (msg.header.data_size != sizeof(msg.data))
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return NT_STATUS_UNEXPECTED_IO_ERROR;
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__ntapi->tt_generic_memcpy(
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msq_info,
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&msg.data.msqinfo,
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sizeof(msg.data.msqinfo));
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iosb->status = NT_STATUS_SUCCESS;
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iosb->info = sizeof(msg.data.msqinfo);
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return NT_STATUS_SUCCESS;
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}
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