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//===- llvm/System/Signals.h - Signal Handling support ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines some helpful functions for dealing with the possibility of
// unix signals occuring while your program is running.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SYSTEM_SIGNALS_H
#define LLVM_SYSTEM_SIGNALS_H
#include "llvm/System/Path.h"
#include "llvm/System/IncludeFile.h"
namespace llvm {
namespace sys {
/// This function registers signal handlers to ensure that if a signal gets
/// delivered that the named file is removed.
/// @brief Remove a file if a fatal signal occurs.
bool RemoveFileOnSignal(const Path &Filename, std::string* ErrMsg = 0);
/// This function registers a signal handler to ensure that if a fatal signal
/// gets delivered to the process that the named directory and all its
/// contents are removed.
/// @brief Remove a directory if a fatal signal occurs.
bool RemoveDirectoryOnSignal(const Path& path, std::string* ErrMsg = 0);
/// When an error signal (such as SIBABRT or SIGSEGV) is delivered to the
/// process, print a stack trace and then exit.
/// @brief Print a stack trace if a fatal signal occurs.
void PrintStackTraceOnErrorSignal();
/// 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.
/// @brief Register a function to be called when ctrl-c is pressed.
void SetInterruptFunction(void (*IF)());
} // End sys namespace
} // End llvm namespace
FORCE_DEFINING_FILE_TO_BE_LINKED(SystemSignals)
#endif
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