give main thread on Windows a name

to make it easier to find in profilers and debuggers

Change-Id: I8ce3ee0b89ca8498683367c2b39176edc571137b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142415
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 9 insertions, 0 deletions

diff --git a/vcl/win/app/salinst.cxx b/vcl/win/app/salinst.cxx
index b903247d2d85..5ba2f9cd50e6 100644
--- a/vcl/win/app/salinst.cxx
+++ b/vcl/win/app/salinst.cxx
@@ -458,6 +458,15 @@ WinSalInstance::~WinSalInstance()
 #endif
 }
 
+void WinSalInstance::AfterAppInit()
+{
+// (1) Ideally this would be done at the place that creates the thread, but since this thread is normally
+// just the default/main thread, that is not possible.
+// (2) Don't do this on unix, where it causes tools like pstree on Linux to
+// confusingly report soffice.bin as VCL Main instead.
+    osl_setThreadName("VCL Main");
+}
+
 static LRESULT ImplSalDispatchMessage( const MSG* pMsg )
 {
     SalData* pSalData = GetSalData();