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bf36adeed4
The current crash reporting on Mac OS is only disabled via an environment variable. This adds a boolean (default false) which can also disable crash reporting. The only client right now is the unittests which don't ever want crash reporting, but do want to detect killed programs. Reduces the time to run the APFloat unittests on my machine from [----------] 47 tests from APFloatTest (51250 ms total) to [----------] 47 tests from APFloatTest (765 ms total) Reviewed by Reid Kleckner and Justin Bogner git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234353 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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