Update prebuilt Clang to r353983e.HEADq10.0

clang 9.0.5 (based on r353983e) from build 5696680.

Bug: http://b/135931688
Bug: http://b/136008926
Test: N/A
Change-Id: I922d17410047d2e2df4625615352c588ee71b203

1 files changed, 78 insertions, 0 deletions

diff --git a/clang-r353983e/include/llvm/Support/Signals.h b/clang-r353983e/include/llvm/Support/Signals.h
new file mode 100644
index 00000000..9f2cb850
--- /dev/null
+++ b/clang-r353983e/include/llvm/Support/Signals.h
@@ -0,0 +1,78 @@
+//===- llvm/Support/Signals.h - Signal Handling support ----------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines some helpful functions for dealing with the possibility of
+// unix signals occurring while your program is running.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_SIGNALS_H
+#define LLVM_SUPPORT_SIGNALS_H
+
+#include <string>
+
+namespace llvm {
+class StringRef;
+class raw_ostream;
+
+namespace sys {
+
+  /// This function runs all the registered interrupt handlers, including the
+  /// removal of files registered by RemoveFileOnSignal.
+  void RunInterruptHandlers();
+
+  /// This function registers signal handlers to ensure that if a signal gets
+  /// delivered that the named file is removed.
+  /// Remove a file if a fatal signal occurs.
+  bool RemoveFileOnSignal(StringRef Filename, std::string* ErrMsg = nullptr);
+
+  /// This function removes a file from the list of files to be removed on
+  /// signal delivery.
+  void DontRemoveFileOnSignal(StringRef Filename);
+
+  /// When an error signal (such as SIGABRT or SIGSEGV) is delivered to the
+  /// process, print a stack trace and then exit.
+  /// Print a stack trace if a fatal signal occurs.
+  /// \param Argv0 the current binary name, used to find the symbolizer
+  ///        relative to the current binary before searching $PATH; can be
+  ///        StringRef(), in which case we will only search $PATH.
+  /// \param DisableCrashReporting if \c true, disable the normal crash
+  ///        reporting mechanisms on the underlying operating system.
+  void PrintStackTraceOnErrorSignal(StringRef Argv0,
+                                    bool DisableCrashReporting = false);
+
+  /// Disable all system dialog boxes that appear when the process crashes.
+  void DisableSystemDialogsOnCrash();
+
+  /// Print the stack trace using the given \c raw_ostream object.
+  void PrintStackTrace(raw_ostream &OS);
+
+  // Run all registered signal handlers.
+  void RunSignalHandlers();
+
+  using SignalHandlerCallback = void (*)(void *);
+
+  /// Add a function to be called when an abort/kill signal is delivered to the
+  /// process. The handler can have a cookie passed to it to identify what
+  /// instance of the handler it is.
+  void AddSignalHandler(SignalHandlerCallback FnPtr, void *Cookie);
+
+  /// 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
+  /// 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)());
+} // End sys namespace
+} // End llvm namespace
+
+#endif