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[OS/2] Bug 503744: do not unload MDM to fix MMOS2 destruction, r=dragtext

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This commit is contained in:
Peter Weilbacher 2009-08-02 14:08:02 +03:00
parent 859be8c297
commit 3fca4b9a87
1 changed files with 5 additions and 5 deletions
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10
widget/src/os2/nsSound.cpp
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@ -70,7 +70,6 @@ NS_IMPL_ISUPPORTS2(nsSound, nsISound, nsIStreamLoaderObserver)
static int sInitialized = 0;
static PRBool sMMPMInstalled = PR_FALSE;
static HMODULE sHModMMIO = NULLHANDLE;
static HMODULE sHModMDM = NULLHANDLE;
// function pointer definitions, include underscore (work around redef. warning)
HMMIO (*APIENTRY _mmioOpen)(PSZ, PMMIOINFO, ULONG);
@ -100,9 +99,10 @@ static void InitGlobals(void)
{
ULONG ulrc = 0;
char LoadError[CCHMAXPATH];
HMODULE hModMDM = NULLHANDLE;
ulrc = DosLoadModule(LoadError, CCHMAXPATH, "MMIO", &sHModMMIO);
ulrc += DosLoadModule(LoadError, CCHMAXPATH, "MDM", &sHModMDM);
ulrc += DosLoadModule(LoadError, CCHMAXPATH, "MDM", &hModMDM);
if (ulrc == NO_ERROR) {
#ifdef DEBUG
printf("InitGlobals: MMOS2 is installed, both DLLs loaded\n");
@ -114,12 +114,12 @@ static void InitGlobals(void)
ulrc += DosQueryProcAddr(sHModMMIO, 0L, "mmioClose", (PFN *)&_mmioClose);
ulrc += DosQueryProcAddr(sHModMMIO, 0L, "mmioGetFormats", (PFN *)&_mmioGetFormats);
// mci functions are in MDM.DLL
ulrc += DosQueryProcAddr(sHModMDM, 0L, "mciSendCommand", (PFN *)&_mciSendCommand);
ulrc += DosQueryProcAddr(hModMDM, 0L, "mciSendCommand", (PFN *)&_mciSendCommand);
#ifdef DEBUG
ulrc += DosQueryProcAddr(sHModMMIO, 0L, "mmioGetLastError", (PFN *)&_mmioGetLastError);
ulrc += DosQueryProcAddr(sHModMMIO, 0L, "mmioQueryFormatCount", (PFN *)&_mmioQueryFormatCount);
ulrc += DosQueryProcAddr(sHModMMIO, 0L, "mmioGetFormatName", (PFN *)&_mmioGetFormatName);
ulrc += DosQueryProcAddr(sHModMDM, 0L, "mciGetErrorString", (PFN *)&_mciGetErrorString);
ulrc += DosQueryProcAddr(hModMDM, 0L, "mciGetErrorString", (PFN *)&_mciGetErrorString);
#endif
ulrc += DosQueryProcAddr(sHModMMIO, 0L, "mmioIniFileHandler", (PFN *)&_mmioIniFileHandler);
@ -398,7 +398,7 @@ nsSound::~nsSound()
#endif
ULONG ulrc;
ulrc = DosFreeModule(sHModMMIO);
ulrc += DosFreeModule(sHModMDM);
// do not free MDM.DLL because it doesn't like to be unloaded repeatedly
if (ulrc != NO_ERROR) {
NS_WARNING("DosFreeModule did not work");
}