Changeset 92143 in vbox

Timestamp:

Oct 29, 2021 12:52:44 PM (3 years ago)

Author:

vboxsync

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

147964

Message:

VBoxManage/setproperty/language: Added 32 ms kludge waiting for the main notification about the language change to avoid trouble if we receive it during XPCOM/COM shutdown. bugref:1909

File:

• trunk/src/VBox/Frontends/VBoxManage/VBoxManageMisc.cpp (modified) (2 diffs)

trunk/src/VBox/Frontends/VBoxManage/VBoxManageMisc.cpp

@@ -28 +28 @@
 # include <VBox/com/errorprint.h>
 # include <VBox/com/VirtualBox.h>
+# include <VBox/com/NativeEventQueue.h>
 #endif /* !VBOX_ONLY_DOCS */
 
@@ -1052 +1053 @@
         Bstr bstrLanguage(a->argv[1]);
         CHECK_ERROR(systemProperties, COMSETTER(LanguageId)(bstrLanguage.raw()));
+
+        /* Kudge alert! Make sure the language change notification is processed,
+                        otherwise it may arrive as (XP)COM shuts down and cause
+                        trouble in debug builds. */
+# ifdef DEBUG
+        uint64_t const tsStart = RTTimeNanoTS();
+# endif
+        unsigned cMsgs = 0;
+        int vrc;
+        while (   RT_SUCCESS(vrc = NativeEventQueue::getMainEventQueue()->processEventQueue(32 /*ms*/))
+               || vrc == VERR_INTERRUPTED)
+            cMsgs++;
+# ifdef DEBUG
+        RTPrintf("vrc=%Rrc cMsgs=%u nsElapsed=%'RU64\n", vrc, cMsgs, RTTimeNanoTS() - tsStart);
+# endif
     }
 #endif