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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2017 Z. Gilboa */
/* 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_msq.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
int32_t __stdcall __ntapi_msq_query(
__in nt_msq_info * msq,
__out nt_io_status_block * iosb,
__out void * msq_info,
__in uint32_t msq_info_length,
__in int32_t msq_info_class)
{
int32_t status;
nt_msq_info_msg msg;
/* validate */
if (!iosb)
return NT_STATUS_INVALID_PARAMETER;
else if (!msq_info)
return NT_STATUS_INVALID_PARAMETER;
else if (msq_info_length < sizeof(msg.data.msqinfo))
return NT_STATUS_BUFFER_TOO_SMALL;
else if (msq_info_class)
return NT_STATUS_INVALID_INFO_CLASS;
/* 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 = NT_TTY_MSQ_QUERY;
msg.data.msqinfo.msqkey = msq->msqkey;
msg.data.msqinfo.msqid = msq->msqid;
if ((status = __ntapi->zw_request_wait_reply_port(msq->hport,&msg,&msg)))
return status;
else if (msg.data.ttyinfo.status)
return msg.data.ttyinfo.status;
/* reply */
if (msg.header.data_size != sizeof(msg.data))
return NT_STATUS_UNEXPECTED_IO_ERROR;
__ntapi->tt_generic_memcpy(
msq_info,
&msg.data.msqinfo,
sizeof(msg.data.msqinfo));
iosb->status = NT_STATUS_SUCCESS;
iosb->info = sizeof(msg.data.msqinfo);
return NT_STATUS_SUCCESS;
}
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