vendor/llvm/llvm-trunk-r366426

1 files changed, 18 insertions, 7 deletions

diff --git a/include/llvm/Support/Signals.h b/include/llvm/Support/Signals.h
index f25a04969904..a6b215a24311 100644
--- a/include/llvm/Support/Signals.h
+++ b/include/llvm/Support/Signals.h
@@ -1,9 +1,8 @@
 //===- llvm/Support/Signals.h - Signal Handling support ----------*- 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -66,13 +65,25 @@ namespace sys {
   /// This function registers a function to be called when the user "interrupts"
   /// the program (typically by pressing ctrl-c).  When the user interrupts the
   /// program, the specified interrupt function is called instead of the program
-  /// being killed, and the interrupt function automatically disabled.  Note
-  /// that interrupt functions are not allowed to call any non-reentrant
+  /// being killed, and the interrupt function automatically disabled.
+  ///
+  /// Note that interrupt functions are not allowed to call any non-reentrant
   /// functions.  An null interrupt function pointer disables the current
   /// installed function.  Note also that the handler may be executed on a
   /// different thread on some platforms.
-  /// Register a function to be called when ctrl-c is pressed.
   void SetInterruptFunction(void (*IF)());
+
+  /// Registers a function to be called when an "info" signal is delivered to
+  /// the process.
+  ///
+  /// On POSIX systems, this will be SIGUSR1; on systems that have it, SIGINFO
+  /// will also be used (typically ctrl-t).
+  ///
+  /// Note that signal handlers are not allowed to call any non-reentrant
+  /// functions.  An null function pointer disables the current installed
+  /// function.  Note also that the handler may be executed on a different
+  /// thread on some platforms.
+  void SetInfoSignalFunction(void (*Handler)());
 } // End sys namespace
 } // End llvm namespace