document the abort in ProcessTaskScheduling

Change-Id: I8a30e9abbf437cdf4f91a14755e5cc639dd172b5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/99937
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 6 insertions, 0 deletions

diff --git a/vcl/source/app/scheduler.cxx b/vcl/source/app/scheduler.cxx
index aa716f88b763..fa18087e9fd8 100644
--- a/vcl/source/app/scheduler.cxx
+++ b/vcl/source/app/scheduler.cxx
@@ -473,6 +473,12 @@ bool Scheduler::ProcessTaskScheduling()
 
         // invoke the task
         sal_uInt32 nLockCount = Unlock( true );
+        /*
+        * Current policy is that scheduler tasks aren't allowed to throw an exception.
+        * Because otherwise the exception is caught somewhere totally unrelated.
+        * TODO Ideally we could capture a proper backtrace and feed this into breakpad,
+        *   which is do-able, but requires writing some assembly.
+        */
         try
         {
             pTask->Invoke();