Changeset 98343 in vbox

Timestamp:

Jan 30, 2023 11:11:47 AM (2 years ago)

Author:

vboxsync

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

155571

Message:

FE/SDL: Attach or allocate a console, now that we're running on the WINDOWS subsystem. Also re-route the standard output handles to the parent handles, if available. ​bugref:9449

File:

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

trunk/src/VBox/Frontends/VBoxSDL/VBoxSDL.cpp

@@ -32 +32 @@
 *********************************************************************************************************************************/
 #define LOG_GROUP LOG_GROUP_GUI
+
+#include <iprt/stream.h>
 
 #include <VBox/com/com.h>
@@ -2792 +2794 @@
     if (RT_FAILURE(rc))
         return RTMsgInitFailure(rc);
-    return TrustedMain(argc, argv, NULL);
+
+#ifdef RT_OS_WINDOWS
+    /* As we run with the WINDOWS subsystem, we need to either attach to or create an own console
+     * to get any stdout / stderr output. */
+    bool fAllocConsole = ::IsDebuggerPresent();
+    if (!fAllocConsole)
+    {
+        if (!AttachConsole(ATTACH_PARENT_PROCESS))
+            fAllocConsole = true;
+    }
+
+    if (fAllocConsole)
+    {
+        if (!AllocConsole())
+            MessageBox(GetDesktopWindow(), L"Unable to attach to or allocate a console!", L"VBoxSDL", MB_OK | MB_ICONERROR);
+        /* Continue running. */
+    }
+
+    RTFILE hStdOut;
+    RTFileFromNative(&hStdOut,  (RTHCINTPTR)GetStdHandle(STD_OUTPUT_HANDLE));
+    /** @todo Closing of standard handles not support via IPRT (yet). */
+    RTStrmOpenFileHandle(hStdOut, "wt", 0, &g_pStdOut);
+
+    RTFILE hStdErr;
+    RTFileFromNative(&hStdErr,  (RTHCINTPTR)GetStdHandle(STD_ERROR_HANDLE));
+    RTStrmOpenFileHandle(hStdErr, "wt", 0, &g_pStdErr);
+
+    if (!fAllocConsole) /* When attaching to the parent console, make sure we start on a fresh line. */
+        RTPrintf("\n");
+#endif /* RT_OS_WINDOWS */
+
+    int rcExit = TrustedMain(argc, argv, NULL);
+
+#ifdef RT_OS_WINDOWS
+    FreeConsole(); /* Detach or destroy (from) console. */
+#endif
+
+    return rcExit;
 }
 #endif /* !VBOX_WITH_HARDENING */