Flush CValidationInterface callbacks prior to destruction

Note that the CScheduler thread cant be running at this point,
it has already been stopped with the rest of the init threadgroup.
Thus, just calling any remaining loose callbacks during Shutdown()
is sane.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/validationinterface.cpp b/src/validationinterface.cpp
index 8edc7c398d..bf20d606f8 100644
--- a/src/validationinterface.cpp
+++ b/src/validationinterface.cpp
@@ -44,6 +44,10 @@ void CMainSignals::UnregisterBackgroundSignalScheduler() {
     m_internals.reset(nullptr);
 }
 
+void CMainSignals::FlushBackgroundCallbacks() {
+    m_internals->m_schedulerClient.EmptyQueue();
+}
+
 CMainSignals& GetMainSignals()
 {
     return g_signals;