gcc/libstdc++-v3/include/bits/functexcept.h
Jonathan Wakely 484e936e88 PR libstdc++/85343 overload __throw_ios_failure to take errno
[ios::failure] p2: "When throwing ios_base::failure exceptions,
implementations should provide values of ec that identify the specific
reason for the failure."

This adds a new overload of __throw_ios_failure that can be passed
errno, to store error_code(errno, system_category()) in the exception
object.

	PR libstdc++/85343
	* acinclude.m4 (libtool_VERSION): Bump version.
	* config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add new symbol version.
	Export new symbol.
	* configure: Regenerate.
	* doc/xml/manual/abi.xml: Document new versions.
	* include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
	(basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
	* include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
	Declare new overload.
	* src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
	and static member function.
	(__throw_ios_failure(const char*, int)): Define.
	* src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
	(__throw_ios_failure(const char*, int)): Define.
	* testsuite/util/testsuite_abi.cc: Update known and latest versions.

From-SVN: r263535
2018-08-14 13:09:57 +01:00

116 lines
3.4 KiB
C++

// Function-Based Exception Support -*- C++ -*-
// Copyright (C) 2001-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/functexcept.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{exception}
*
* This header provides support for -fno-exceptions.
*/
//
// ISO C++ 14882: 19.1 Exception classes
//
#ifndef _FUNCTEXCEPT_H
#define _FUNCTEXCEPT_H 1
#include <bits/c++config.h>
#include <bits/exception_defines.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
// Helper for exception objects in <except>
void
__throw_bad_exception(void) __attribute__((__noreturn__));
// Helper for exception objects in <new>
void
__throw_bad_alloc(void) __attribute__((__noreturn__));
// Helper for exception objects in <typeinfo>
void
__throw_bad_cast(void) __attribute__((__noreturn__));
void
__throw_bad_typeid(void) __attribute__((__noreturn__));
// Helpers for exception objects in <stdexcept>
void
__throw_logic_error(const char*) __attribute__((__noreturn__));
void
__throw_domain_error(const char*) __attribute__((__noreturn__));
void
__throw_invalid_argument(const char*) __attribute__((__noreturn__));
void
__throw_length_error(const char*) __attribute__((__noreturn__));
void
__throw_out_of_range(const char*) __attribute__((__noreturn__));
void
__throw_out_of_range_fmt(const char*, ...) __attribute__((__noreturn__))
__attribute__((__format__(__gnu_printf__, 1, 2)));
void
__throw_runtime_error(const char*) __attribute__((__noreturn__));
void
__throw_range_error(const char*) __attribute__((__noreturn__));
void
__throw_overflow_error(const char*) __attribute__((__noreturn__));
void
__throw_underflow_error(const char*) __attribute__((__noreturn__));
// Helpers for exception objects in <ios>
void
__throw_ios_failure(const char*) __attribute__((__noreturn__));
void
__throw_ios_failure(const char*, int) __attribute__((__noreturn__));
// Helpers for exception objects in <system_error>
void
__throw_system_error(int) __attribute__((__noreturn__));
// Helpers for exception objects in <future>
void
__throw_future_error(int) __attribute__((__noreturn__));
// Helpers for exception objects in <functional>
void
__throw_bad_function_call() __attribute__((__noreturn__));
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif