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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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static int32_t __msq_send_return(
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intptr_t * hlock,
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int32_t status)
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{
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at_store(hlock,0);
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return status;
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}
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int32_t __stdcall __ntapi_msq_send(
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__in nt_msq_info * msq,
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__in void * hevent __optional,
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__in nt_io_apc_routine * apc_routine __optional,
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__in void * apc_context __optional,
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__in const void * buffer,
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__in size_t len,
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__in intptr_t rank,
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__in uint32_t options,
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__out nt_io_status_block * iosb)
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{
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int32_t status;
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void * hsection;
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void * secaddr;
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size_t secsize;
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nt_msq_info_msg msg;
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intptr_t * hlock;
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/* validate */
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if (!iosb)
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return NT_STATUS_INVALID_PARAMETER;
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/* section */
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if (msq->section_addr) {
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hsection = msq->section;
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secaddr = msq->section_addr;
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secsize = msq->section_size;
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} else if ((status = __ntapi->ipc_init_section_by_port(
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msq->hport,&hsection,
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&secaddr,&secsize)))
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return status;
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if (len > secsize)
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return NT_STATUS_INFO_LENGTH_MISMATCH;
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/* lock */
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hlock = &(__ntapi_internals()->hlock);
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if (at_locked_cas(hlock,0,1))
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return NT_STATUS_RESOURCE_NOT_OWNED;
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/* msq data to section */
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__ntapi->tt_generic_memcpy(
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secaddr,buffer,len);
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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_SEND;
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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.msqspid = msq->msqspid;
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msg.data.msqinfo.msqrank = rank;
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msg.data.msqinfo.section_addr = secaddr;
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msg.data.msqinfo.section_size = len;
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msg.data.msqinfo.ntoptions = options;
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msg.data.msqinfo.hevent = hevent;
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msg.data.msqinfo.apc_routine = apc_routine;
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msg.data.msqinfo.apc_context = apc_context;
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msg.data.msqinfo.riosb = iosb;
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if ((status = __ntapi->zw_request_wait_reply_port(msq->hport,&msg,&msg)))
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return __msq_send_return(hlock,status);
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else if (msg.data.ttyinfo.status)
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return __msq_send_return(hlock,msg.data.ttyinfo.status);
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iosb->status = msg.data.msqinfo.ntiosb.status;
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iosb->info = msg.data.msqinfo.ntiosb.info;
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return __msq_send_return(hlock,NT_STATUS_SUCCESS);
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}
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