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9930b12d9d
* Remove binding, dispatch handling and exit hooks in favor of std alternatives; remove crash-handling infrastructure, error message framework, system-specific process handling and Objective-C interop helpers. * Simplify Beast function profiling * Simplify beast::Time interface * Simplify beast::String interface * Simplify beast::File interface
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <beast/module/core/diagnostic/FatalError.h>
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#include <atomic>
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#include <exception>
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#include <iostream>
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#include <mutex>
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namespace beast {
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//------------------------------------------------------------------------------
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void
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FatalError (char const* message, char const* file, int line)
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{
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static std::atomic <int> error_count (0);
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static std::recursive_mutex gate;
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// We only allow one thread to report a fatal error. Other threads that
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// encounter fatal errors while we are reporting get blocked here.
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std::lock_guard<std::recursive_mutex> lock(gate);
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// If we encounter a recursive fatal error, then we want to terminate
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// unconditionally.
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if (error_count++ != 0)
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return std::terminate ();
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// We protect this entire block of code since writing to cerr might trigger
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// exceptions.
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try
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{
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std::cerr << "An error has occurred. The application will terminate.\n";
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if (message != nullptr && message [0] != 0)
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std::cerr << "Message: " << message << '\n';
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if (file != nullptr && file [0] != 0)
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std::cerr << " File: " << file << ":" << line << '\n';
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auto const backtrace = getStackBacktrace ();
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if (!backtrace.empty ())
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{
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std::cerr << " Stack:" << std::endl;
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for (auto const& frame : backtrace)
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std::cerr << " " << frame << '\n';
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}
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}
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catch (...)
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{
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// nothing we can do - just fall through and terminate
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}
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return std::terminate ();
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}
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} // beast
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