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cd52a7a381
Apparently, the style needs to be agreed upon first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8
69 lines
2.7 KiB
C++
69 lines
2.7 KiB
C++
//===- llvm/Support/Signals.h - Signal Handling support ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines some helpful functions for dealing with the possibility of
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// unix signals occurring while your program is running.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_SUPPORT_SIGNALS_H
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#define LLVM_SUPPORT_SIGNALS_H
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#include <string>
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namespace llvm {
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class StringRef;
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class raw_ostream;
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namespace sys {
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/// This function runs all the registered interrupt handlers, including the
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/// removal of files registered by RemoveFileOnSignal.
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void RunInterruptHandlers();
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/// This function registers signal handlers to ensure that if a signal gets
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/// delivered that the named file is removed.
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/// @brief Remove a file if a fatal signal occurs.
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bool RemoveFileOnSignal(StringRef Filename, std::string* ErrMsg = nullptr);
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/// This function removes a file from the list of files to be removed on
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/// signal delivery.
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void DontRemoveFileOnSignal(StringRef Filename);
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/// When an error signal (such as SIBABRT or SIGSEGV) is delivered to the
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/// process, print a stack trace and then exit.
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/// @brief Print a stack trace if a fatal signal occurs.
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void PrintStackTraceOnErrorSignal(bool DisableCrashReporting = false);
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/// Disable all system dialog boxes that appear when the process crashes.
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void DisableSystemDialogsOnCrash();
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/// \brief Print the stack trace using the given \c raw_ostream object.
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void PrintStackTrace(raw_ostream &OS);
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/// AddSignalHandler - Add a function to be called when an abort/kill signal
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/// is delivered to the process. The handler can have a cookie passed to it
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/// to identify what instance of the handler it is.
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void AddSignalHandler(void (*FnPtr)(void *), void *Cookie);
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/// This function registers a function to be called when the user "interrupts"
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/// the program (typically by pressing ctrl-c). When the user interrupts the
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/// program, the specified interrupt function is called instead of the program
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/// being killed, and the interrupt function automatically disabled. Note
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/// that interrupt functions are not allowed to call any non-reentrant
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/// functions. An null interrupt function pointer disables the current
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/// installed function. Note also that the handler may be executed on a
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/// different thread on some platforms.
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/// @brief Register a function to be called when ctrl-c is pressed.
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void SetInterruptFunction(void (*IF)());
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} // End sys namespace
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} // End llvm namespace
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#endif
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