From 4dc8053c65fff9073a12afc65b78dcb1a51fbd6a Mon Sep 17 00:00:00 2001
From: Axel Naumann <Axel.Naumann@cern.ch>
Date: Wed, 2 May 2018 12:56:03 +0200
Subject: [PATCH] Print USR2 context before generating the stack trace.

---
 core/unix/src/TUnixSystem.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/unix/src/TUnixSystem.cxx b/core/unix/src/TUnixSystem.cxx
index 4db566f5b0e..65d1cb0b623 100644
--- a/core/unix/src/TUnixSystem.cxx
+++ b/core/unix/src/TUnixSystem.cxx
@@ -3658,6 +3658,7 @@ void TUnixSystem::DispatchSignals(ESignals sig)
       Gl_windowchanged();
       break;
    case kSigUser2:
+      Break("TUnixSystem::DispatchSignals", "%s: printing stacktrace", UnixSigname(sig));
       StackTrace();
       // Intentional fall-through; pass the signal to handlers (or terminate):
    default:
-- 
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