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Use more C++11 features:

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* Remove beast::static_initializer
* Remove noexcept VS2013 workaround
* Use [[noreturn]] attribute
This commit is contained in:
Nik Bougalis
2015-10-06 12:38:26 -07:00
parent d4c4a03e42
commit 7373a26333
33 changed files with 33 additions and 646 deletions
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54
beast/module/core/diagnostic/FatalError.cpp
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@@ -20,6 +20,7 @@
#include <beast/module/core/diagnostic/FatalError.h>
#include <atomic>
#include <cstdlib>
#include <exception>
#include <iostream>
#include <mutex>
@@ -27,49 +28,38 @@
namespace beast {
//------------------------------------------------------------------------------
[[noreturn]]
void
FatalError (char const* message, char const* file, int line)
FatalError (
char const* message,
char const* file,
int line) noexcept
{
static std::atomic <int> error_count (0);
static std::recursive_mutex gate;
static std::mutex gate;
// We only allow one thread to report a fatal error. Other threads that
// encounter fatal errors while we are reporting get blocked here.
std::lock_guard<std::recursive_mutex> lock(gate);
std::lock_guard<std::mutex> lock(gate);
// If we encounter a recursive fatal error, then we want to terminate
// unconditionally.
if (error_count++ != 0)
return std::terminate ();
std::cerr << "An error has occurred. The application will terminate.\n";
// We protect this entire block of code since writing to cerr might trigger
// exceptions.
try
if (message != nullptr && message [0] != 0)
std::cerr << "Message: " << message << '\n';
if (file != nullptr && file [0] != 0)
std::cerr << " File: " << file << ":" << line << '\n';
auto const backtrace = getStackBacktrace ();
if (!backtrace.empty ())
{
std::cerr << "An error has occurred. The application will terminate.\n";
std::cerr << " Stack:" << std::endl;
if (message != nullptr && message [0] != 0)
std::cerr << "Message: " << message << '\n';
if (file != nullptr && file [0] != 0)
std::cerr << " File: " << file << ":" << line << '\n';
auto const backtrace = getStackBacktrace ();
if (!backtrace.empty ())
{
std::cerr << " Stack:" << std::endl;
for (auto const& frame : backtrace)
std::cerr << " " << frame << '\n';
}
}
catch (...)
{
// nothing we can do - just fall through and terminate
for (auto const& frame : backtrace)
std::cerr << " " << frame << '\n';
}
return std::terminate ();
std::abort ();
}
} // beast