//===- 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 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
namespace llvm {
namespace sys {
- /// This function registers signal handlers to ensure that if a signal gets
+ /// 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.
- void RemoveFileOnSignal(const Path &Filename);
-
- /// 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.
- void RemoveDirectoryOnSignal(const Path& path);
+ bool RemoveFileOnSignal(const Path &Filename, std::string* ErrMsg = 0);
- /// When an error signal (such as SIBABRT or SIGSEGV) is delivered to the
+ /// 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();
+ /// AddSignalHandler - 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(void (*FnPtr)(void *), 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.
+ /// @brief Register a function to be called when ctrl-c is pressed.
+ void SetInterruptFunction(void (*IF)());
} // End sys namespace
} // End llvm namespace