golden hour

/usr/include/c++/4.8.2/bits

File/Folder	Size	Actions
algorithmfwd.h	20.66 KB
alloc_traits.h	17.66 KB
allocator.h	6.1 KB
atomic_base.h	24.99 KB
atomic_lockfree_defines.h	2.2 KB
basic_ios.h	14.76 KB
basic_ios.tcc	5.89 KB
basic_string.h	109.49 KB
basic_string.tcc	38.43 KB
boost_concept_check.h	26.41 KB
c++0x_warning.h	1.47 KB
char_traits.h	16.95 KB
codecvt.h	16.23 KB
concept_check.h	3.26 KB
cpp_type_traits.h	9.56 KB
cxxabi_forced.h	1.77 KB
deque.tcc	31.91 KB
exception_defines.h	1.6 KB
exception_ptr.h	5.29 KB
forward_list.h	46.72 KB
forward_list.tcc	15.17 KB
fstream.tcc	28.3 KB
functexcept.h	3.04 KB
functional_hash.h	6.05 KB
gslice.h	5.39 KB
gslice_array.h	7.59 KB
hash_bytes.h	2.1 KB
hashtable.h	61.05 KB
hashtable_policy.h	52.72 KB
indirect_array.h	7.68 KB
ios_base.h	27.85 KB
istream.tcc	30.36 KB
list.tcc	12.2 KB
locale_classes.h	22.45 KB
locale_classes.tcc	8.18 KB
locale_facets.h	88.84 KB
locale_facets.tcc	38.02 KB
locale_facets_nonio.h	63.51 KB
locale_facets_nonio.tcc	40.85 KB
localefwd.h	5.1 KB
mask_array.h	7.41 KB
memoryfwd.h	2.36 KB
move.h	5.67 KB
nested_exception.h	4.58 KB
ostream.tcc	12.03 KB
ostream_insert.h	3.91 KB
postypes.h	8.02 KB
ptr_traits.h	5.17 KB
random.h	173.19 KB
random.tcc	106.59 KB
range_access.h	3.06 KB
regex.h	83.49 KB
regex_compiler.h	27.68 KB
regex_constants.h	10.81 KB
regex_cursor.h	2.7 KB
regex_error.h	4.5 KB
regex_grep_matcher.h	4.23 KB
regex_grep_matcher.tcc	5.41 KB
regex_nfa.h	10.65 KB
regex_nfa.tcc	4.85 KB
shared_ptr.h	18.97 KB
shared_ptr_base.h	40.65 KB
slice_array.h	9.12 KB
sstream.tcc	9.27 KB
stl_algo.h	212.55 KB
stl_algobase.h	41.41 KB
stl_bvector.h	28.98 KB
stl_construct.h	5.05 KB
stl_deque.h	66.41 KB
stl_function.h	22.06 KB
stl_heap.h	19.99 KB
stl_iterator.h	35.77 KB
stl_iterator_base_funcs.h	6.8 KB
stl_iterator_base_types.h	8.19 KB
stl_list.h	52.83 KB
stl_map.h	36.78 KB
stl_multimap.h	33.94 KB
stl_multiset.h	28.37 KB
stl_numeric.h	13.5 KB
stl_pair.h	9.63 KB
stl_queue.h	18.21 KB
stl_raw_storage_iter.h	3.37 KB
stl_relops.h	4.49 KB
stl_set.h	28.61 KB
stl_stack.h	9.65 KB
stl_tempbuf.h	8.15 KB
stl_tree.h	53.56 KB
stl_uninitialized.h	19.95 KB
stl_vector.h	48.64 KB
stream_iterator.h	6.44 KB
streambuf.tcc	4.81 KB
streambuf_iterator.h	12.33 KB
stringfwd.h	2.37 KB
unique_ptr.h	17.19 KB
unordered_map.h	47.76 KB
unordered_set.h	43.25 KB
uses_allocator.h	3.49 KB
valarray_after.h	22.12 KB
valarray_array.h	21.23 KB
valarray_array.tcc	7.08 KB
valarray_before.h	18.08 KB
vector.tcc	25.55 KB

Edit: exception_ptr.h

// Exception Handling support header (exception_ptr class) for -*- C++ -*-

// Copyright (C) 2008-2013 Free Software Foundation, Inc.
//
// This file is part of GCC.
//
// GCC 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.
// 
// GCC 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/exception_ptr.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{exception}
 */

#ifndef _EXCEPTION_PTR_H
#define _EXCEPTION_PTR_H

#pragma GCC visibility push(default)

#include <bits/c++config.h>
#include <bits/exception_defines.h>

#if ATOMIC_INT_LOCK_FREE < 2
#  error This platform does not support exception propagation.
#endif

extern "C++" {

namespace std 
{
  class type_info;

/**
   * @addtogroup exceptions
   * @{
   */
  namespace __exception_ptr
  {
    class exception_ptr;
  }

using __exception_ptr::exception_ptr;

/** Obtain an exception_ptr to the currently handled exception. If there
   *  is none, or the currently handled exception is foreign, return the null
   *  value.
   */
  exception_ptr current_exception() _GLIBCXX_USE_NOEXCEPT;

/// Throw the object pointed to by the exception_ptr.
  void rethrow_exception(exception_ptr) __attribute__ ((__noreturn__));

namespace __exception_ptr
  {
    /**
     *  @brief An opaque pointer to an arbitrary exception.
     *  @ingroup exceptions
     */
    class exception_ptr
    {
      void* _M_exception_object;

explicit exception_ptr(void* __e) _GLIBCXX_USE_NOEXCEPT;

void _M_addref() _GLIBCXX_USE_NOEXCEPT;
      void _M_release() _GLIBCXX_USE_NOEXCEPT;

void *_M_get() const _GLIBCXX_NOEXCEPT __attribute__ ((__pure__));

friend exception_ptr std::current_exception() _GLIBCXX_USE_NOEXCEPT;
      friend void std::rethrow_exception(exception_ptr);

public:
      exception_ptr() _GLIBCXX_USE_NOEXCEPT;

exception_ptr(const exception_ptr&) _GLIBCXX_USE_NOEXCEPT;

#if __cplusplus >= 201103L
      exception_ptr(nullptr_t) noexcept
      : _M_exception_object(0)
      { }

exception_ptr(exception_ptr&& __o) noexcept
      : _M_exception_object(__o._M_exception_object)
      { __o._M_exception_object = 0; }
#endif

#if (__cplusplus < 201103L) || defined (_GLIBCXX_EH_PTR_COMPAT)
      typedef void (exception_ptr::*__safe_bool)();

// For construction from nullptr or 0.
      exception_ptr(__safe_bool) _GLIBCXX_USE_NOEXCEPT;
#endif

exception_ptr& 
      operator=(const exception_ptr&) _GLIBCXX_USE_NOEXCEPT;

#if __cplusplus >= 201103L
      exception_ptr& 
      operator=(exception_ptr&& __o) noexcept
      {
        exception_ptr(static_cast<exception_ptr&&>(__o)).swap(*this);
        return *this;
      }
#endif

~exception_ptr() _GLIBCXX_USE_NOEXCEPT;

void 
      swap(exception_ptr&) _GLIBCXX_USE_NOEXCEPT;

#ifdef _GLIBCXX_EH_PTR_COMPAT
      // Retained for compatibility with CXXABI_1.3.
      void _M_safe_bool_dummy() _GLIBCXX_USE_NOEXCEPT
	__attribute__ ((__const__));
      bool operator!() const _GLIBCXX_USE_NOEXCEPT
	__attribute__ ((__pure__));
      operator __safe_bool() const _GLIBCXX_USE_NOEXCEPT;
#endif

#if __cplusplus >= 201103L
      explicit operator bool() const
      { return _M_exception_object; }
#endif

friend bool 
      operator==(const exception_ptr&, const exception_ptr&)
	_GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));

const class std::type_info*
      __cxa_exception_type() const _GLIBCXX_USE_NOEXCEPT
	__attribute__ ((__pure__));
    };

bool 
    operator==(const exception_ptr&, const exception_ptr&)
      _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));

bool 
    operator!=(const exception_ptr&, const exception_ptr&)
      _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));

inline void
    swap(exception_ptr& __lhs, exception_ptr& __rhs)
    { __lhs.swap(__rhs); }

} // namespace __exception_ptr

/// Obtain an exception_ptr pointing to a copy of the supplied object.
  template<typename _Ex>
    exception_ptr 
    copy_exception(_Ex __ex) _GLIBCXX_USE_NOEXCEPT
    {
      __try
	{
#ifdef __EXCEPTIONS
	  throw __ex;
#endif
	}
      __catch(...)
	{
	  return current_exception();
	}
    }

// _GLIBCXX_RESOLVE_LIB_DEFECTS
  // 1130. copy_exception name misleading
  /// Obtain an exception_ptr pointing to a copy of the supplied object.
  template<typename _Ex>
    exception_ptr 
    make_exception_ptr(_Ex __ex) _GLIBCXX_USE_NOEXCEPT
    { return std::copy_exception<_Ex>(__ex); }

// @} group exceptions
} // namespace std

} // extern "C++"

#pragma GCC visibility pop

#endif