vbox: support shutdown of VMM

- send exit signal to parent
- avoid assertion in vbox posix backend

Fixes #1687

repos/ports/ports/virtualbox.hash

@@ -1 +1 @@
-7d0320bac1d65391cd0f548126df7399b8fb7f18
+2fc156a977246088b14dc9acad72ea3013c9e596

repos/ports/run/vbox_win.inc

@@ -149,7 +149,7 @@ append config_of_app {
 		<binary name="virtualbox" />
 		<resource name="RAM" quantum="1280M"/>}
 append config_of_app "
-			<config vbox_file=\"${vbox_file}\" vm_name=\"${flavor}\">"
+			<config ld_verbose=\"yes\" vbox_file=\"${vbox_file}\" vm_name=\"${flavor}\">"
 append config_of_app {
 			<libc stdout="/dev/log" stderr="/dev/log" rtc="/dev/rtc">
 				<vfs>

repos/ports/src/virtualbox/frontend/console.cc

@@ -24,20 +24,29 @@ HRESULT Console::updateMachineState(MachineState_T aMachineState)
 
 HRESULT Console::attachToTapInterface(INetworkAdapter *networkAdapter)
 {
-	HRESULT rc = S_OK;
-
 	ULONG slot = 0;
-	rc = networkAdapter->COMGETTER(Slot)(&slot);
+	HRESULT rc = networkAdapter->COMGETTER(Slot)(&slot);
 	AssertComRC(rc);
 
 	maTapFD[slot] = (RTFILE)1;
 
-	TRACE(S_OK)
+	TRACE(rc)
+}
+
+HRESULT Console::detachFromTapInterface(INetworkAdapter *networkAdapter)
+{
+	ULONG slot = 0;
+	HRESULT rc = networkAdapter->COMGETTER(Slot)(&slot);
+	AssertComRC(rc);
+
+	if (maTapFD[slot] != NIL_RTFILE)
+		maTapFD[slot] = NIL_RTFILE;
+
+	TRACE(rc)
 }
 
 HRESULT Console::teleporterTrg(PUVM, IMachine*, com::Utf8Str*, bool, Progress*,
                                bool*)                                           DUMMY(E_FAIL)
-HRESULT Console::detachFromTapInterface(INetworkAdapter *networkAdapter)        DUMMY(E_FAIL)
 HRESULT Console::saveState(Reason_T aReason, IProgress **aProgress)             DUMMY(E_FAIL)
 
 STDMETHODIMP Console::COMGETTER(Debugger)(IMachineDebugger **aDebugger)                                    DUMMY(E_FAIL)
@@ -103,7 +112,13 @@ HRESULT Console::onlineMergeMedium(IMediumAttachment *aMediumAttachment,
                                    IProgress *aProgress)                        DUMMY(E_FAIL)
 
 void fireStateChangedEvent(IEventSource* aSource,
-                           MachineState_T a_state)                              TRACE()
+                           MachineState_T a_state)
+{
+	if (a_state != MachineState_PoweredOff)
+		return;
+
+	Genode::env()->parent()->exit(0);
+}
 
 void fireRuntimeErrorEvent(IEventSource* aSource, BOOL a_fatal,
                            CBSTR a_id, CBSTR a_message)

repos/ports/src/virtualbox/patches/posix.patch

@@ -0,0 +1,11 @@
+--- a/src/app/virtualbox/src/VBox/Runtime/r3/posix/path-posix.cpp
++++ b/src/app/virtualbox/src/VBox/Runtime/r3/posix/path-posix.cpp
+@@ -401,8 +401,6 @@
+                     rc = errno == ENOENT ? VINF_SUCCESS : RTErrConvertFromErrno(errno);
+                 else
+                 {
+-                    Assert(SrcStat.st_dev && DstStat.st_dev);
+-                    Assert(SrcStat.st_ino && DstStat.st_ino);
+                     if (    SrcStat.st_dev == DstStat.st_dev
+                         &&  SrcStat.st_ino == DstStat.st_ino
+                         &&  (SrcStat.st_mode & S_IFMT) == (DstStat.st_mode & S_IFMT))

repos/ports/src/virtualbox/patches/series

@@ -21,3 +21,4 @@ serial.patch
 rem_irq.patch
 usb.patch
 tm_smp.patch
+posix.patch