Changeset 28764 in vbox for trunk/src/VBox/Main/ConsoleImpl2.cpp

Timestamp:

Apr 26, 2010 4:12:49 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

60646

Message:

Main: Introduce a per controller setting to switch to the unbuffered async I/O interface (UseNewIo). Configurable through VBoxManage, default is still buffered

File:

• trunk/src/VBox/Main/ConsoleImpl2.cpp (modified) (6 diffs)

trunk/src/VBox/Main/ConsoleImpl2.cpp

@@ -1073 +1073 @@
         rc = ctrls[i]->COMGETTER(Instance)(&ulInstance);                                        H();
 
+        IoBackendType_T enmIoBackend;
+        rc = ctrls[i]->COMGETTER(IoBackend)(&enmIoBackend);                                     H();
+
         /* /Devices/<ctrldev>/ */
         const char *pszCtrlDev = pConsole->convertControllerTypeToDev(enmCtrlType);
@@ -1261 +1264 @@
         {
             rc = Console::configMediumAttachment(pCtlInst, pszCtrlDev,
-                                                 ulInstance, enmBus, atts[j],
+                                                 ulInstance, enmBus, enmIoBackend,
+                                                 atts[j],
                                                  pConsole->mMachineState,
                                                  NULL /* phrc */,
@@ -2270 +2274 @@
 int Console::configMediumAttachment(PCFGMNODE pCtlInst, const char *pcszDevice,
                                     unsigned uInstance, StorageBus_T enmBus,
+                                    IoBackendType_T enmIoBackend,
                                     IMediumAttachment *pMediumAtt,
                                     MachineState_T aMachineState,
@@ -2352 +2357 @@
     hrc = pMediumAtt->COMGETTER(Passthrough)(&fPassthrough);            H();
     rc = Console::configMedium(pLunL0, !!fPassthrough, lType,
+                               enmIoBackend,
                                pMedium, aMachineState, phrc);           RC_CHECK();
 
@@ -2378 +2384 @@
                           bool fPassthrough,
                           DeviceType_T enmType,
+                          IoBackendType_T enmIoBackend,
                           IMedium *pMedium,
                           MachineState_T aMachineState,
@@ -2475 +2482 @@
             {
                 rc = CFGMR3InsertInteger(pCfg, "TempReadOnly", 1);                      RC_CHECK();
+            }
+
+            if (enmIoBackend == IoBackendType_Unbuffered)
+            {
+                rc = CFGMR3InsertInteger(pCfg, "UseNewIo", 1);                          RC_CHECK();
             }