/**************************************************************************
* DRIVER_RemoveFromList [internal]
*
* Generates all the logic to handle driver closure / deletion
* Removes a driver struct to the list of open drivers.
*/
static BOOL DRIVER_RemoveFromList(LPWINE_DRIVER lpDrv)
{
/* last of this driver in list ? */
if (DRIVER_GetNumberOfModuleRefs(lpDrv->hModule, NULL) == 1) {
DRIVER_SendMessage(lpDrv, DRV_DISABLE, 0L, 0L);
DRIVER_SendMessage(lpDrv, DRV_FREE, 0L, 0L);
}
EnterCriticalSection( &mmdriver_lock );
if (lpDrv->lpPrevItem)
lpDrv->lpPrevItem->lpNextItem = lpDrv->lpNextItem;
else
lpDrvItemList = lpDrv->lpNextItem;
if (lpDrv->lpNextItem)
lpDrv->lpNextItem->lpPrevItem = lpDrv->lpPrevItem;
/* trash magic number */
lpDrv->dwMagic ^= 0xa5a5a5a5;
lpDrv->lpDrvProc = NULL;
lpDrv->dwDriverID = 0;
LeaveCriticalSection( &mmdriver_lock );
return TRUE;
}
/**************************************************************************
* DRIVER_AddToList [internal]
*
* Adds a driver struct to the list of open drivers.
* Generates all the logic to handle driver creation / open.
*/
static BOOL DRIVER_AddToList(LPWINE_DRIVER lpNewDrv, LPARAM lParam1, LPARAM lParam2)
{
/* First driver to be loaded for this module, need to load correctly the module */
if (DRIVER_GetNumberOfModuleRefs(lpNewDrv) == 0) {
if (DRIVER_SendMessage(lpNewDrv, DRV_LOAD, 0L, 0L) != DRV_SUCCESS) {
TRACE("DRV_LOAD failed on driver %p\n", lpNewDrv);
return FALSE;
}
/* returned value is not checked */
DRIVER_SendMessage(lpNewDrv, DRV_ENABLE, 0L, 0L);
}
lpNewDrv->lpNextItem = NULL;
if (lpDrvItemList == NULL) {
lpDrvItemList = lpNewDrv;
lpNewDrv->lpPrevItem = NULL;
} else {
LPWINE_DRIVER lpDrv = lpDrvItemList; /* find end of list */
while (lpDrv->lpNextItem != NULL)
lpDrv = lpDrv->lpNextItem;
lpDrv->lpNextItem = lpNewDrv;
lpNewDrv->lpPrevItem = lpDrv;
}
/* Now just open a new instance of a driver on this module */
lpNewDrv->dwDriverID = DRIVER_SendMessage(lpNewDrv, DRV_OPEN, lParam1, lParam2);
if (lpNewDrv->dwDriverID == 0) {
TRACE("DRV_OPEN failed on driver %p\n", lpNewDrv);
DRIVER_RemoveFromList(lpNewDrv);
return FALSE;
}
return TRUE;
}
/**************************************************************************
* DRIVER_RemoveFromList [internal]
*
* Generates all the logic to handle driver closure / deletion
* Removes a driver struct to the list of open drivers.
*/
static BOOL DRIVER_RemoveFromList(LPWINE_DRIVER lpDrv)
{
lpDrv->dwDriverID = 0;
if (DRIVER_GetNumberOfModuleRefs(lpDrv) == 1) {
DRIVER_SendMessage(lpDrv, DRV_DISABLE, 0L, 0L);
DRIVER_SendMessage(lpDrv, DRV_FREE, 0L, 0L);
}
if (lpDrv->lpPrevItem)
lpDrv->lpPrevItem->lpNextItem = lpDrv->lpNextItem;
else
lpDrvItemList = lpDrv->lpNextItem;
if (lpDrv->lpNextItem)
lpDrv->lpNextItem->lpPrevItem = lpDrv->lpPrevItem;
return TRUE;
}
/**************************************************************************
* CloseDriver [WINMM.@]
* DrvClose [WINMM.@]
*/
LRESULT WINAPI CloseDriver(HDRVR hDrvr, LPARAM lParam1, LPARAM lParam2)
{
BOOL ret;
LPWINE_DRIVER lpDrv;
TRACE("(%p, %08lX, %08lX);\n", hDrvr, lParam1, lParam2);
DRIVER_Dump("BEFORE:");
if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL)
{
LPWINE_DRIVER lpDrv0;
DRIVER_SendMessage(lpDrv, DRV_CLOSE, lParam1, lParam2);
DRIVER_RemoveFromList(lpDrv);
if (lpDrv->dwFlags & WINE_GDF_SESSION)
FIXME("WINE_GDF_SESSION: Shouldn't happen (%p)\n", lpDrv);
/* if driver has an opened session instance, we have to close it too */
if (DRIVER_GetNumberOfModuleRefs(lpDrv->hModule, &lpDrv0) == 1 &&
(lpDrv0->dwFlags & WINE_GDF_SESSION))
{
DRIVER_SendMessage(lpDrv0, DRV_CLOSE, 0, 0);
DRIVER_RemoveFromList(lpDrv0);
FreeLibrary(lpDrv0->hModule);
HeapFree(GetProcessHeap(), 0, lpDrv0);
}
FreeLibrary(lpDrv->hModule);
HeapFree(GetProcessHeap(), 0, lpDrv);
ret = TRUE;
}
else
{
WARN("Failed to close driver\n");
ret = FALSE;
}
DRIVER_Dump("AFTER:");
return ret;
}
/**************************************************************************
* DrvSendMessage (MMSYSTEM.1102)
*/
LRESULT WINAPI DrvSendMessage16(HDRVR16 hDriver, UINT16 msg, LPARAM lParam1, LPARAM lParam2)
{
LPWINE_DRIVER lpDrv;
LRESULT retval = 0;
TRACE("(%04x, %04X, %08lX, %08lX)\n", hDriver, msg, lParam1, lParam2);
if ((lpDrv = DRIVER_FindFromHDrvr16(hDriver)) != NULL) {
retval = DRIVER_SendMessage(lpDrv, msg, lParam1, lParam2);
} else {
WARN("Bad driver handle %u\n", hDriver);
}
TRACE("retval = %ld\n", retval);
return retval;
}
/**************************************************************************
* CloseDriver (USER.253)
*/
LRESULT WINAPI CloseDriver16(HDRVR16 hDrvr, LPARAM lParam1, LPARAM lParam2)
{
LPWINE_DRIVER lpDrv;
TRACE("(%04x, %08lX, %08lX);\n", hDrvr, lParam1, lParam2);
if ((lpDrv = DRIVER_FindFromHDrvr16(hDrvr)) != NULL) {
DRIVER_SendMessage(lpDrv, DRV_CLOSE, lParam1, lParam2);
if (DRIVER_RemoveFromList(lpDrv)) {
HeapFree(GetProcessHeap(), 0, lpDrv);
return TRUE;
}
}
WARN("Failed to close driver\n");
return FALSE;
}