Changeset 1711

Timestamp:

03/27/07 10:35:21 (2 years ago)

Author:

vboxsync

Message:

HGCM cleanup.

Files:

• trunk/include/VBox/err.h (modified) (1 diff)
• trunk/include/VBox/hgcmsvc.h (modified) (2 diffs)
• trunk/src/VBox/Main/Makefile (modified) (1 diff)
• trunk/src/VBox/Main/VMMDevInterface.cpp (modified) (12 diffs)
• trunk/src/VBox/Main/hgcm/HGCM.cpp (modified) (35 diffs)
• trunk/src/VBox/Main/hgcm/HGCMThread.cpp (modified) (6 diffs)
• trunk/src/VBox/Main/include/VMMDev.h (modified) (3 diffs)
• trunk/src/VBox/Main/include/hgcm/HGCM.h (modified) (1 diff)
• trunk/src/VBox/Main/include/hgcm/HGCMThread.h (modified) (1 diff)

trunk/include/VBox/err.h

@@ -914 +914 @@
-/** The HGCM is saving state. */
-#define VINF_HGCM_SAVE_STATE                        (2906)
+/** Requested service already exists. */
+#define VERR_HGCM_SERVICE_EXISTS                    (-2907)
-
-/** @} */

trunk/include/VBox/hgcmsvc.h

@@ -45 +45 @@
- * 1.1->2.1 Because the pfnConnect now also has the pvClient parameter.
- * 2.1->2.2 Because pfnSaveState and pfnLoadState were added
+ * 2.2->3.1 Because pfnHostCall is now synchronous, returns rc, and parameters were changed
- */
-#define VBOX_HGCM_SVC_VERSION_MINOR (0x0001)
-2
+3
-#define VBOX_HGCM_SVC_VERSION ((VBOX_HGCM_SVC_VERSION_MAJOR << 16) + VBOX_HGCM_SVC_VERSION_MINOR)
-
@@ -139 +140 @@
-     *  Return code is passed to pfnCallComplete callback.
-     */
-void, pfnHostCall) (VBOXHGCMCALLHANDLE callHandle, uint32_t u32ClientID, void *pvClient, 
+int, pfnHostCall) (
- 
-    /** Inform the service about a VM save operation. */

trunk/src/VBox/Main/Makefile

@@ -21 +21 @@
-DEPTH = ../../..
-include $(PATH_KBUILD)/header.kmk
-
-DEFS       += HGCMSS
-
-ifdef VRDP_MC

trunk/src/VBox/Main/VMMDevInterface.cpp

@@ -87 +87 @@
-    AssertRC(rc);
-#ifdef VBOX_HGCM
-hgcm
+HGCMHost
-    AssertRC(rc);
-#endif /* VBOX_HGCM */
@@ -95 +95 @@
-VMMDev::~VMMDev()
-{
+#ifdef VBOX_HGCM
+    HGCMHostShutdown ();
+#endif /* VBOX_HGCM */
-    RTSemEventDestroy (mCredentialsEvent);
-    if (mpDrv)
@@ -301 +304 @@
-
-    PDRVMAINVMMDEV pDrv = PDMIHGCMCONNECTOR_2_MAINVMMDEV(pInterface);
-
-
+
+
+
+
+
+
+
+
+
-}
-
@@ -311 +321 @@
-    PDRVMAINVMMDEV pDrv = PDMIHGCMCONNECTOR_2_MAINVMMDEV(pInterface);
-
-hgcmDisconnectInternal (pDrv->pHGCMPort, pCmd, u32ClientID, false
+HGCMGuestDisconnect (pDrv->pHGCMPort, pCmd, u32ClientID
-}
-
@@ -321 +331 @@
-    PDRVMAINVMMDEV pDrv = PDMIHGCMCONNECTOR_2_MAINVMMDEV(pInterface);
-
-hgcmGuestCallInternal (pDrv->pHGCMPort, pCmd, u32ClientID, u32Function, cParms, paParms, false
+HGCMGuestCall (pDrv->pHGCMPort, pCmd, u32ClientID, u32Function, cParms, paParms
-}
-
@@ -334 +344 @@
-{
-    LogFlowFunc(("Enter\n"));
-
-
-
-
-
-
-
-
-
-
-
-
+
-}
-
@@ -361 +360 @@
-    LogFlowFunc(("Enter\n"));
-
-#ifdef HGCMSS
-    if (u32Version != HGCM_SSM_VERSION)
-        return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
-
-
-
-
-
-
-
-
-
-
-
-
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-
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-
-
-
-
-
-
-
-
-
+
-}
-
-int VMMDev::hgcmLoadService (const char *pszServiceName, const char *pszServiceLibrary)
-{
-
-
-
-
-
-
-
-
-
-
-
+
-}
-
@@ -426 +374 @@
-                          uint32_t cParms, PVBOXHGCMSVCPARM paParms)
-{
-
-
-
-
+
+
+
-
-
@@ -471 +418 @@
-    LogFlow(("VMMDev::drvDestruct: iInstance=%d\n", pDrvIns->iInstance));
-#ifdef VBOX_HGCM
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
-    if (pData->pVMMDev)
-    {
@@ -498 +434 @@
-DECLCALLBACK(void) VMMDev::drvReset(PPDMDRVINS pDrvIns)
-{
-#if defined(VBOX_HGCM) && !defined(HGCMSS)
-    PDRVMAINVMMDEV pData = PDMINS2DATA(pDrvIns, PDRVMAINVMMDEV);
-#endif
-    LogFlow(("VMMDev::drvReset: iInstance=%d\n", pDrvIns->iInstance));
-#ifdef VBOX_HGCM
-
-
-
-
-
-
-
-
-
-
-
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-
-
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-
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-
-
-
-
-
-
+
+
-}
-
@@ -620 +522 @@
-
-#ifdef VBOX_HGCM
-
-#ifdef HGCMSS
-    rc = pData->pVMMDev->hgcmLoadService ("VBoxSharedFolders", "VBoxSharedFolders");
-    pData->pVMMDev->fSharedFolderActive = VBOX_SUCCESS(rc);
@@ -632 +532 @@
-        LogRel(("Failed to load Shared Folders service %Vrc\n", rc));
-    }
-#else
-    /* Load Shared Folder HGCM service */
-    HGCMSERVICELOCATION loc;
-    uint64_t            dummy = 0;
-    PVBOXHGCMCMD        pCmd = (PVBOXHGCMCMD)&dummy;
-
-    Log(("Connect to Shared Folders service\n"));
-    pData->pVMMDev->mSharedFolderClientId = 0;
-    
-    rc = pData->pVMMDev->hgcmLoadService ("VBoxSharedFolders", "VBoxSharedFolders");
-    
-    if (rc == VINF_SUCCESS)
-    {
-        loc.type = VMMDevHGCMLoc_LocalHost;
-        strcpy(loc.u.host.achName, "VBoxSharedFolders");
-        rc = pData->pVMMDev->hgcmConnect(pCmd, &loc, &pData->pVMMDev->mSharedFolderClientId);
-    }
-    
-    if (rc != VINF_SUCCESS)
-    {
-        Log(("hgcmConnect returned %Vrc, shared folders are unavailable!!!\n", rc));
-        
-        /* This is not a fatal error; the shared folder dll can e.g. be missing */
-        rc = VINF_SUCCESS;
-        pData->pVMMDev->mSharedFolderClientId = 0;
-    }
-#endif /* HGCMSS */
-    pDrvIns->pDrvHlp->pfnSSMRegister(pDrvIns, "HGCM", 0, HGCM_SSM_VERSION, 4096/* bad guess */, NULL, iface_hgcmSave, NULL, NULL, iface_hgcmLoad, NULL);
-
+ /* VBOX_HGCM */
-
-    return VINF_SUCCESS;

trunk/src/VBox/Main/hgcm/HGCM.cpp

@@ -18 +18 @@
- * distribution, then only the terms of your commercial VirtualBox
- * license agreement apply instead of the previous paragraph.
- */
-
-
-/*
- * NOT FOR REVIEWING YET. A LOT OF TODO/MISSED/INCOMPLETE/SKETCH CODE INSIDE!
- */
-
@@ -52 +47 @@
-
-/**
- *
- * Service location types:
- *
- *  LOCAL SERVICE
- *      service DLL is loaded by the VM process,
- *      and directly called by the VM HGCM instance.
- */
-
-/**
- * A service gets one thread, which synchronously delivers messages to
- * the service. This is good for serialization.
@@ -78 +64 @@
- *
- * This message completion callback is only valid for Call requests.
-
-
-
-
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-
-
-
-
-
-
-
-
-
+
+
+
-
-/* The maximum allowed size of a service name in bytes. */
@@ -109 +75 @@
- *  The HGCMService is an (in future) abstract class that implements
- *  common functionality. There will be derived classes for specific
-
-
-
-
+
+
+
-class HGCMService
-{
@@ -121 +86 @@
-        static HGCMService *sm_pSvcListTail;
-
-
-
-
+
-
-        HGCMTHREADHANDLE m_thread;
@@ -136 +99 @@
-        char *m_pszSvcLibrary;
-        
-        PPDMIHGCMPORT m_pHGCMPort;
-
-        RTLDRMOD m_hLdrMod;
-        PFNVBOXHGCMSVCLOAD m_pfnLoad;
@@ -151 +112 @@
-        void unloadServiceDLL (void);
-
-
-
+
+
+
+
+
+
+
+
-
-        HGCMService ();
-        ~HGCMService () {};
-
-        bool EqualToLoc (HGCMServiceLocation *loc);
-
-        static DECLCALLBACK(void) svcHlpCallComplete (VBOXHGCMCALLHANDLE callHandle, int32_t rc);
@@ -163 +128 @@
-    public:
-
+        /*
+         * Main HGCM thread methods.
+         */
+        static int LoadService (const char *pszServiceLibrary, const char *pszServiceName);
+        void UnloadService ();
+
+        static void UnloadAll (void);
+
+        static int ResolveService (HGCMService **ppsvc, const char *pszServiceName);
+        void ReferenceService (void);
+        void ReleaseService (void);
+
-        static void Reset (void);
-
-#ifdef HGCMSS
-        static int SaveState (PSSMHANDLE pSSM);
-        static int LoadState (PSSMHANDLE pSSM);
-
-
-
-
-
-
+
+
+
+
+
-
-        uint32_t SizeOfClient (void) { return m_fntable.cbClient; };
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
-};
-
@@ -234 +201 @@
-
-
-/*
- * Messages processed by worker threads.
- */
-
-#define HGCMMSGID_SVC_LOAD       (0)
-#define HGCMMSGID_SVC_UNLOAD     (1)
-#define HGCMMSGID_SVC_CONNECT    (2)
-#define HGCMMSGID_SVC_DISCONNECT (3)
-#define HGCMMSGID_GUESTCALL      (4)
-
-class HGCMMsgSvcLoad: public HGCMMsgCore
-{
-};
-
-class HGCMMsgSvcUnload: public HGCMMsgCore
-{
-};
-
-class HGCMMsgSvcConnect: public HGCMMsgCore
-{
-    public:
-        /* client identifier */
-        uint32_t u32ClientID;
-};
-
-class HGCMMsgSvcDisconnect: public HGCMMsgCore
-{
-    public:
-        /* client identifier */
-        uint32_t u32ClientID;
-};
-
-class HGCMMsgHeader: public HGCMMsgCore
-{
-    public:
-        HGCMMsgHeader () : pCmd (NULL), pHGCMPort (NULL) {};
-        
-        /* Command pointer/identifier. */
-        PVBOXHGCMCMD pCmd;
-
-        /* Port to be informed on message completion. */
-        PPDMIHGCMPORT pHGCMPort;
-};
-
-
-class HGCMMsgCall: public HGCMMsgHeader
-{
-    public:
-        /* client identifier */
-        uint32_t u32ClientID;
-
-        /* function number */
-        uint32_t u32Function;
-
-        /* number of parameters */
-        uint32_t cParms;
-
-        VBOXHGCMSVCPARM *paParms;
-};
-
-
-/*
- * Messages processed by main HGCM thread.
- */
-
-#define HGCMMSGID_CONNECT    (10)
-#define HGCMMSGID_DISCONNECT (11)
-#define HGCMMSGID_LOAD       (12)
-#define HGCMMSGID_HOSTCALL   (13)
-#define HGCMMSGID_LOADSTATE  (14)
-#define HGCMMSGID_SAVESTATE  (15)
-#define HGCMMSGID_RESET      (16)
-
-class HGCMMsgConnect: public HGCMMsgHeader
-{
-    public:
-        /* service location */
-        HGCMSERVICELOCATION *pLoc;
-
-        /* client identifier */
-        uint32_t *pu32ClientID;
-
-};
-
-class HGCMMsgDisconnect: public HGCMMsgHeader
-{
-    public:
-        /* client identifier */
-        uint32_t u32ClientID;
-};
-
-class HGCMMsgLoadSaveState: public HGCMMsgHeader
-{
-    public:
-        /* client identifier */
-        uint32_t    u32ClientID;
-        PSSMHANDLE  pSSM;
-};
-
-class HGCMMsgLoad: public HGCMMsgHeader
-{
-    public:
-        virtual ~HGCMMsgLoad ()
-        {
-            RTStrFree (pszServiceLibrary);
-            RTStrFree (pszServiceName);
-        }
-        
-        int Init (const char *pszName, const char *pszLibrary)
-        {
-            pszServiceName = RTStrDup (pszName);
-            pszServiceLibrary = RTStrDup (pszLibrary);
-            
-            if (!pszServiceName || !pszServiceLibrary)
-            {
-                RTStrFree (pszServiceLibrary);
-                RTStrFree (pszServiceName);
-                pszServiceLibrary = NULL;
-                pszServiceName = NULL;
-                return VERR_NO_MEMORY;
-            }
-            
-            return VINF_SUCCESS;
-        }
-        
-        char *pszServiceName;
-        char *pszServiceLibrary;
-};
-
-class HGCMMsgHostCall: public HGCMMsgHeader
-{
-    public:
-        char *pszServiceName;
-        
-        /* function number */
-        uint32_t u32Function;
-
-        /* number of parameters */
-        uint32_t cParms;
-
-        VBOXHGCMSVCPARM *paParms;
-};
-
-class HGCMMsgReset: public HGCMMsgHeader
-{
-};
-
-/* static */ DECLCALLBACK(void) HGCMService::svcHlpCallComplete (VBOXHGCMCALLHANDLE callHandle, int32_t rc)
-{
-   HGCMMsgCore *pMsgCore = (HGCMMsgCore *)callHandle;
-
-   if (   pMsgCore->MsgId () == HGCMMSGID_GUESTCALL
-       || pMsgCore->MsgId () == HGCMMSGID_HOSTCALL)
-   {
-       /* Only call the completion for these messages. The helper 
-        * is called by the service, and the service does not get
-        * any other messages.
-        */
-       hgcmMsgComplete (pMsgCore, rc);
-   }
-   else
-   {
-       AssertFailed ();
-   }
-}
-
-HGCMService *HGCMService::sm_pSvcListHead = NULL;
-HGCMService *HGCMService::sm_pSvcListTail = NULL;
-#ifdef HGCMSS
-int HGCMService::sm_cServices = 0;
-#endif /* HGCMSS */
-
-HGCMService::HGCMService ()
@@ -424 +224 @@
-
-
-HGCMMsgCore *hgcmMessageAlloc (uint32_t u32MsgId)
-{
-    switch (u32MsgId)
-    {
-        case HGCMMSGID_SVC_LOAD:        return new HGCMMsgSvcLoad ();
-        case HGCMMSGID_SVC_UNLOAD:      return new HGCMMsgSvcUnload ();
-        case HGCMMSGID_SVC_CONNECT:     return new HGCMMsgSvcConnect ();
-        case HGCMMSGID_SVC_DISCONNECT:  return new HGCMMsgSvcDisconnect ();
-        case HGCMMSGID_GUESTCALL:       return new HGCMMsgCall ();
-
-        case HGCMMSGID_CONNECT:         return new HGCMMsgConnect ();
-        case HGCMMSGID_DISCONNECT:      return new HGCMMsgDisconnect ();
-        case HGCMMSGID_LOAD:            return new HGCMMsgLoad ();
-        case HGCMMSGID_HOSTCALL:        return new HGCMMsgHostCall ();
-        case HGCMMSGID_LOADSTATE:      
-        case HGCMMSGID_SAVESTATE:       return new HGCMMsgLoadSaveState ();
-        case HGCMMSGID_RESET:           return new HGCMMsgReset ();
-        default:
-            Log(("hgcmMessageAlloc::Unsupported message number %08X\n", u32MsgId));
-            AssertReleaseMsgFailed(("Msg id = %08X\n", u32MsgId));
-    }
-
-    return NULL;
-}
-
-static bool g_fResetting = false;
-static bool g_fSaveState = false;
-
-
-
-
-
-
-
-
-
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+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-    int rc = VINF_SUCCESS;
-
+    rc = RTLdrLoad (m_pszSvcLibrary, &m_hLdrMod);
+
+    if (VBOX_SUCCESS(rc))
+    {
+        LogFlow(("HGCMService::loadServiceDLL: successfully loaded the library.\n"));
+
+        m_pfnLoad = NULL;
+
+        rc = RTLdrGetSymbol (m_hLdrMod, VBOX_HGCM_SVCLOAD_NAME, (void**)&m_pfnLoad);
+
+        if (VBOX_FAILURE (rc) || !m_pfnLoad)
+        {
+            Log(("HGCMService::loadServiceDLL: Error resolving the service entry point %s, rc = %d, m_pfnLoad = %p\n", VBOX_HGCM_SVCLOAD_NAME, rc, m_pfnLoad));
+
+            if (VBOX_SUCCESS(rc))
+            {
+                /* m_pfnLoad was NULL */
+                rc = VERR_SYMBOL_NOT_FOUND;
+            }
+        }
+
+        if (VBOX_SUCCESS(rc))
+        {
+            memset (&m_fntable, 0, sizeof (m_fntable));
+
+            m_fntable.cbSize     = sizeof (m_fntable);
+            m_fntable.u32Version = VBOX_HGCM_SVC_VERSION;
+            m_fntable.pHelpers   = &m_svcHelpers;
+
+            rc = m_pfnLoad (&m_fntable);
+
+            LogFlow(("HGCMService::loadServiceDLL: m_pfnLoad rc = %Vrc\n", rc));
+
+            if (VBOX_SUCCESS (rc))
+            {
+                if (   m_fntable.pfnUnload == NULL
+                    || m_fntable.pfnConnect == NULL
+                    || m_fntable.pfnDisconnect == NULL
+                    || m_fntable.pfnCall == NULL
+                   )
+                {
+                    Log(("HGCMService::loadServiceDLL: at least one of function pointers is NULL\n"));
+
+                    rc = VERR_INVALID_PARAMETER;
+
+                    if (m_fntable.pfnUnload)
+                    {
+                        m_fntable.pfnUnload ();
+                    }
+                }
+            }
+        }
+    }
+    else
+    {
+        LogFlow(("HGCMService::loadServiceDLL: failed to load service library. The service is not available.\n"));
+        m_hLdrMod = NIL_RTLDRMOD;
+    }
+
+    if (VBOX_FAILURE(rc))
+    {
+        unloadServiceDLL ();
+    }
+
+    return rc;
+}
+
+/** Helper function to free a local service DLL.
+ *
+ *  @return VBox code
+ */
+void HGCMService::unloadServiceDLL (void)
+{
+    if (m_hLdrMod)
+    {
+        RTLdrClose (m_hLdrMod);
+    }
+
+    memset (&m_fntable, 0, sizeof (m_fntable));
+    m_pfnLoad = NULL;
+    m_hLdrMod = NIL_RTLDRMOD;
+}
+
+/*
+ * Messages processed by service threads. These threads only call the service entry points.
+ */
+
+#define SVC_MSG_LOAD       (0)  /* Load the service library and call VBOX_HGCM_SVCLOAD_NAME entry point. */
+#define SVC_MSG_UNLOAD     (1)  /* call pfnUnload and unload the service library. */
+#define SVC_MSG_CONNECT    (2)  /* pfnConnect */
+#define SVC_MSG_DISCONNECT (3)  /* pfnDisconnect */
+#define SVC_MSG_GUESTCALL  (4)  /* pfnGuestCall */
+#define SVC_MSG_HOSTCALL   (5)  /* pfnHostCall */
+#define SVC_MSG_LOADSTATE  (6)  /* pfnLoadState. */
+#define SVC_MSG_SAVESTATE  (7)  /* pfnSaveState. */
+#define SVC_MSG_QUIT       (8)  /* Terminate the thread. */
+
+class HGCMMsgSvcLoad: public HGCMMsgCore
+{
+};
+
+class HGCMMsgSvcUnload: public HGCMMsgCore
+{
+};
+
+class HGCMMsgSvcConnect: public HGCMMsgCore
+{
+    public:
+        /* client identifier */
+        uint32_t u32ClientId;
+};
+
+class HGCMMsgSvcDisconnect: public HGCMMsgCore
+{
+    public:
+        /* client identifier */
+        uint32_t u32ClientId;
+};
+
+class HGCMMsgHeader: public HGCMMsgCore
+{
+    public:
+        HGCMMsgHeader () : pCmd (NULL), pHGCMPort (NULL) {};
+        
+        /* Command pointer/identifier. */
+        PVBOXHGCMCMD pCmd;
+
+        /* Port to be informed on message completion. */
+        PPDMIHGCMPORT pHGCMPort;
+};
+
+
+class HGCMMsgCall: public HGCMMsgHeader
+{
+    public:
+        /* client identifier */
+        uint32_t u32ClientId;
+
+        /* function number */
+        uint32_t u32Function;
+
+        /* number of parameters */
+        uint32_t cParms;
+
+        VBOXHGCMSVCPARM *paParms;
+};
+
+class HGCMMsgLoadSaveStateClient: public HGCMMsgCore
+{
+    public:
+        uint32_t    u32ClientId;
+        PSSMHANDLE  pSSM;
+};
+
+class HGCMMsgHostCallSvc: public HGCMMsgCore
+{
+    public:
+        /* function number */
+        uint32_t u32Function;
+
+        /* number of parameters */
+        uint32_t cParms;
+
+        VBOXHGCMSVCPARM *paParms;
+};
+
+static HGCMMsgCore *hgcmMessageAllocSvc (uint32_t u32MsgId)
+{
+    switch (u32MsgId)
+    {
+        case SVC_MSG_LOAD:        return new HGCMMsgSvcLoad ();
+        case SVC_MSG_UNLOAD:      return new HGCMMsgSvcUnload ();
+        case SVC_MSG_CONNECT:     return new HGCMMsgSvcConnect ();
+        case SVC_MSG_DISCONNECT:  return new HGCMMsgSvcDisconnect ();
+        case SVC_MSG_HOSTCALL:    return new HGCMMsgHostCallSvc ();
+        case SVC_MSG_GUESTCALL:   return new HGCMMsgCall ();
+        case SVC_MSG_LOADSTATE:      
+        case SVC_MSG_SAVESTATE:   return new HGCMMsgLoadSaveStateClient ();
+        default:
+            AssertReleaseMsgFailed(("Msg id = %08X\n", u32MsgId));
+    }
+
+    return NULL;
+}
+
+/*
+ * The service thread. Loads the service library and calls the service entry points.
+ */
+static DECLCALLBACK(void) hgcmServiceThread (HGCMTHREADHANDLE ThreadHandle, void *pvUser)
+{
-    HGCMService *pSvc = (HGCMService *)pvUser;
-
-    AssertRelease(pSvc != NULL);
-
-
-
-
-
-
-
-
+
+
+
+
+
+
-
-        if (VBOX_FAILURE (rc))
-        {
-
-
-
-
-
+
+
+
-        }
-
@@ -498 +456 @@
-        switch (u32MsgId)
-        {
-HGCMMSGID_SVC
-
-(("HGCMMSGID_SVC
+SVC_MSG
+
+Func(("SVC_MSG
-                rc = pSvc->loadServiceDLL ();
-            } break;
-
-HGCMMSGID_SVC
-
-(("HGCMMSGID_SVC
+SVC_MSG
+
+Func(("SVC_MSG
-                pSvc->unloadServiceDLL ();
-bUnloaded
+fQuit
-            } break;
-
-
-
-
-
+
+
-                HGCMMsgSvcConnect *pMsg = (HGCMMsgSvcConnect *)pMsgCore;
-
-rc = VINF_SUCCESS
-
-D
+LogFlowFunc(("SVC_MSG_CONNECT u32ClientId = %d\n", pMsg->u32ClientId))
+
+d
-
-                if (pClient)
-                {
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
-
-                    hgcmObjDereference (pClient);
@@ -569 +489 @@
-            } break;
-
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-            } break;
-
-
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+