100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
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/****************************** Module Header ******************************\
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* Module Name: clinit.c
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*
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* Copyright (c) 1985-1992 Microsoft Corporation
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*
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* This module contains all the client/server init code for MMSNDSRVL.
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*
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* History:
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* 1 May 92 SteveDav Pinched from USER
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\***************************************************************************/
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#ifndef DOSWIN32
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <ntcsrdll.h>
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#include "winmmi.h"
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#include "mci.h"
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#include <mmsndcs.h>
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#include <winss.h>
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#include <ntcsrmsg.h>
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#endif
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/***************************************************************************\
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* ServerInit
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*
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* When WINMM is loaded by an EXE (either at EXE load or at LoadModule
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* time) this routine is called by the loader. Its purpose is to initialize
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* everything that will be needed for future API calls by the app.
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*
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* History:
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* 1 May 92 SteveDav Pinched from USER
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\***************************************************************************/
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UINT fServer; // Server Process id
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BOOL ServerInit(VOID)
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{
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#ifndef DOSWIN32
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NTSTATUS status = 0;
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MMSNDCONNECT sndconnect;
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CSR_CALLBACK_INFO cbiCallBack;
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ULONG ulConnect = sizeof(MMSNDCONNECT);
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sndconnect.ulVersion = MMSNDCURRENTVERSION;
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sndconnect.hFileMapping = 0;
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cbiCallBack.ApiNumberBase = 0;
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cbiCallBack.MaxApiNumber = 0;
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cbiCallBack.CallbackDispatchTable = 0;
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dprintf3((" BEFORE %8x >> hFileMapping",sndconnect.hFileMapping));
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dprintf4((" %8x >> hEvent",sndconnect.hEvent));
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dprintf4((" %8x >> hMutex",sndconnect.hMutex));
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status = CsrClientConnectToServer(WINSS_OBJECT_DIRECTORY_NAME,
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MMSNDSRV_SERVERDLL_INDEX, &cbiCallBack, &sndconnect,
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&ulConnect, (PBOOLEAN)&fServer);
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if (!NT_SUCCESS(status)) {
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dprintf2(("could not connect to sound server, status is %8x", status));
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return FALSE;
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}
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dprintf3(("AFTER %8x = version, status is %x",sndconnect.ulCurrentVersion, status));
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dprintf3((" %8x >> hFileMapping",sndconnect.hFileMapping));
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dprintf4((" %8x >> hEvent",sndconnect.hEvent));
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dprintf4((" %8x >> hMutex",sndconnect.hMutex));
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if (sndconnect.hFileMapping) {
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base = MapViewOfFile( sndconnect.hFileMapping, FILE_MAP_ALL_ACCESS,
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0, 0, 0); // from beginning for total length
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if (!base) {
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DWORD n;
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n = GetLastError();
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dprintf1(("Error %d mapping file view with server handle %x", n, sndconnect.hFileMapping));
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} else {
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dprintf2(("Address %x mapping file view with server handle", base));
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hEvent = sndconnect.hEvent;
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hMutex = sndconnect.hMutex;
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hFileMapping = sndconnect.hFileMapping;
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tidNotify = base->dwGlobalThreadId;
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}
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} else {
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dprintf1(("Server did not return a valid file mapping handle"));
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}
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#endif
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return TRUE;
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}
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