1 files changed, 5 insertions, 4 deletions
diff --git a/include/lldb/API/SBUnixSignals.h b/include/lldb/API/SBUnixSignals.h
index d44a508fbb42..c7e99d1f63d1 100644
--- a/include/lldb/API/SBUnixSignals.h
+++ b/include/lldb/API/SBUnixSignals.h
@@ -1,10 +1,9 @@
 //===-- SBUnixSignals.h -----------------------------------------------*- C++
 //-*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
@@ -27,6 +26,8 @@ public:
 
   void Clear();
 
+  explicit operator bool() const;
+
   bool IsValid() const;
 
   const char *GetSignalAsCString(int32_t signo) const;