DECLVBGL(int) VbglHGCMConnect (VBGLHGCMHANDLE *pHandle, VBoxGuestHGCMConnectInfo *pData)
{
int rc;
struct VBGLHGCMHANDLEDATA *pHandleData;
if (!pHandle || !pData)
return VERR_INVALID_PARAMETER;
pHandleData = vbglHGCMHandleAlloc();
if (!pHandleData)
rc = VERR_NO_MEMORY;
else
{
rc = vbglDriverOpen (&pHandleData->driver);
if (RT_SUCCESS(rc))
{
rc = vbglDriverIOCtl (&pHandleData->driver, VBOXGUEST_IOCTL_HGCM_CONNECT, pData, sizeof (*pData));
if (RT_SUCCESS(rc))
rc = pData->result;
if (RT_SUCCESS(rc))
{
*pHandle = pHandleData;
return rc;
}
vbglDriverClose (&pHandleData->driver);
}
vbglHGCMHandleFree (pHandleData);
}
return rc;
}
DECLVBGL(int) VbglR0CrCtlDestroy(VBGLCRCTLHANDLE hCtl)
{
vbglDriverClose(&hCtl->driver);
vbglHGCMHandleFree(hCtl);
return VINF_SUCCESS;
}
DECLVBGL(int) vboxCrCtlDestroy(HVBOXCRCTL hCtl)
{
vbglDriverClose(&hCtl->driver);
vbglHGCMHandleFree(hCtl);
return VINF_SUCCESS;
}
DECLVBGL(int) VbglHGCMDisconnect (VBGLHGCMHANDLE handle, VBoxGuestHGCMDisconnectInfo *pData)
{
int rc = VINF_SUCCESS;
rc = vbglDriverIOCtl (&handle->driver, VBOXGUEST_IOCTL_HGCM_DISCONNECT, pData, sizeof (*pData));
vbglDriverClose (&handle->driver);
vbglHGCMHandleFree (handle);
return rc;
}
DECLVBGL(void) VbglTerminate (void)
{
# ifdef VBOX_WITH_HGCM
vbglR0HGCMTerminate ();
# endif
/* driver open could fail, which does not prevent VbglInit from succeeding,
* close the driver only if it is opened */
if (vbglDriverIsOpened(&g_vbgldata.driver))
vbglDriverClose(&g_vbgldata.driver);
RTSemMutexDestroy(g_vbgldata.mutexDriverInit);
g_vbgldata.mutexDriverInit = NIL_RTSEMMUTEX;
/* note: do vbglTerminateCommon as a last step since it zeroez up the g_vbgldata
* conceptually, doing vbglTerminateCommon last is correct
* since this is the reverse order to how init is done */
vbglTerminateCommon ();
return;
}
