OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	01/31/2023 12:38:15 PM	rwxr-xr-x
📄 algorithmfwd.h	21.23 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 alloc_traits.h	19.13 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 allocated_ptr.h	3.43 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 allocator.h	6.73 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 atomic_base.h	23.28 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 atomic_futex.h	9.35 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 atomic_lockfree_defines.h	2.2 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 basic_ios.h	15.7 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 basic_ios.tcc	5.94 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 basic_string.h	235.15 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 basic_string.tcc	52.5 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 boost_concept_check.h	26.41 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 c++0x_warning.h	1.44 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 char_traits.h	20.26 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 codecvt.h	20.8 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 concept_check.h	3.34 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 cpp_type_traits.h	9.37 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 cxxabi_forced.h	1.77 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 cxxabi_init_exception.h	2.17 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 deque.tcc	33.26 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 enable_special_members.h	12.1 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 exception.h	2.23 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 exception_defines.h	1.61 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 exception_ptr.h	6.31 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 forward_list.h	47.5 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 forward_list.tcc	14.68 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 fstream.tcc	32.14 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 functexcept.h	3.18 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 functional_hash.h	8 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 gslice.h	5.39 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 gslice_array.h	7.59 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 hash_bytes.h	2.1 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 hashtable.h	71.56 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 hashtable_policy.h	65.47 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 indirect_array.h	7.68 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 invoke.h	3.57 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 ios_base.h	30.22 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 istream.tcc	30.36 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 list.tcc	15.54 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_classes.h	24.31 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_classes.tcc	8.18 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_conv.h	15.7 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_facets.h	89.98 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_facets.tcc	38.64 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_facets_nonio.h	67.33 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 locale_facets_nonio.tcc	44.46 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 localefwd.h	5.51 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 mask_array.h	7.42 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 memoryfwd.h	2.36 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 move.h	6.5 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 nested_exception.h	4.66 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 node_handle.h	7.97 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 ostream.tcc	12.03 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 ostream_insert.h	3.91 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 parse_numbers.h	7.84 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 postypes.h	8.02 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 predefined_ops.h	8.87 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 ptr_traits.h	4.75 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 quoted_string.h	4.47 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 random.h	171.19 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 random.tcc	103.08 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 range_access.h	9.75 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 refwrap.h	13.48 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex.h	95.9 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex.tcc	16.1 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_automaton.h	10.47 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_automaton.tcc	7.65 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_compiler.h	16.79 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_compiler.tcc	18.46 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_constants.h	14.36 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_error.h	4.85 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_executor.h	7.31 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_executor.tcc	16.91 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_scanner.h	6.92 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 regex_scanner.tcc	14.66 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 shared_ptr.h	22.37 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 shared_ptr_atomic.h	9.54 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 shared_ptr_base.h	52.54 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 slice_array.h	9.13 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 specfun.h	44.03 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 sstream.tcc	9.88 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 std_abs.h	3.21 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 std_function.h	23.41 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 std_mutex.h	9.08 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_algo.h	208.85 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_algobase.h	49.22 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_bvector.h	33.03 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_construct.h	7.22 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_deque.h	75.95 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_function.h	32.5 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_heap.h	19.73 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_iterator.h	40.77 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_iterator_base_funcs.h	7.88 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_iterator_base_types.h	8.48 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_list.h	63.65 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_map.h	50.02 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_multimap.h	39 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_multiset.h	33.26 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_numeric.h	13.51 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_pair.h	18.21 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_queue.h	21.61 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_raw_storage_iter.h	3.74 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_relops.h	4.49 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_set.h	33.63 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_stack.h	11.18 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_tempbuf.h	8.15 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_tree.h	73.07 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_uninitialized.h	27 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stl_vector.h	54.33 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stream_iterator.h	6.5 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 streambuf.tcc	4.81 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 streambuf_iterator.h	12.33 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 string_view.tcc	6.48 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 stringfwd.h	2.55 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 uniform_int_dist.h	9.91 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 unique_ptr.h	24.88 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 unordered_map.h	67.04 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 unordered_set.h	52.56 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 uses_allocator.h	6.23 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 valarray_after.h	22.12 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 valarray_array.h	21.3 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 valarray_array.tcc	7.08 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 valarray_before.h	18.08 KB	12/04/2019 02:25:41 PM	rw-r--r--
📄 vector.tcc	26.95 KB	12/04/2019 02:25:41 PM	rw-r--r--

Editing: atomic_futex.h

// -*- C++ -*- header.

// Copyright (C) 2015-2017 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/atomic_futex.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly.
 */

#ifndef _GLIBCXX_ATOMIC_FUTEX_H
#define _GLIBCXX_ATOMIC_FUTEX_H 1

#pragma GCC system_header

#include <bits/c++config.h>
#include <atomic>
#include <chrono>
#if ! (defined(_GLIBCXX_HAVE_LINUX_FUTEX) && ATOMIC_INT_LOCK_FREE > 1)
#include <mutex>
#include <condition_variable>
#endif

#ifndef _GLIBCXX_ALWAYS_INLINE
#define _GLIBCXX_ALWAYS_INLINE inline __attribute__((__always_inline__))
#endif

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
#if defined(_GLIBCXX_HAVE_LINUX_FUTEX) && ATOMIC_INT_LOCK_FREE > 1
  struct __atomic_futex_unsigned_base
  {
    // Returns false iff a timeout occurred.
    bool
    _M_futex_wait_until(unsigned *__addr, unsigned __val, bool __has_timeout,
	chrono::seconds __s, chrono::nanoseconds __ns);

// This can be executed after the object has been destroyed.
    static void _M_futex_notify_all(unsigned* __addr);
  };

template <unsigned _Waiter_bit = 0x80000000>
  class __atomic_futex_unsigned : __atomic_futex_unsigned_base
  {
    typedef chrono::system_clock __clock_t;

// This must be lock-free and at offset 0.
    atomic<unsigned> _M_data;

public:
    explicit
    __atomic_futex_unsigned(unsigned __data) : _M_data(__data)
    { }

_GLIBCXX_ALWAYS_INLINE unsigned
    _M_load(memory_order __mo)
    {
      return _M_data.load(__mo) & ~_Waiter_bit;
    }

private:
    // If a timeout occurs, returns a current value after the timeout;
    // otherwise, returns the operand's value if equal is true or a different
    // value if equal is false.
    // The assumed value is the caller's assumption about the current value
    // when making the call.
    unsigned
    _M_load_and_test_until(unsigned __assumed, unsigned __operand,
	bool __equal, memory_order __mo, bool __has_timeout,
	chrono::seconds __s, chrono::nanoseconds __ns)
    {
      for (;;)
	{
	  // Don't bother checking the value again because we expect the caller
	  // to have done it recently.
	  // memory_order_relaxed is sufficient because we can rely on just the
	  // modification order (store_notify uses an atomic RMW operation too),
	  // and the futex syscalls synchronize between themselves.
	  _M_data.fetch_or(_Waiter_bit, memory_order_relaxed);
	  bool __ret = _M_futex_wait_until((unsigned*)(void*)&_M_data,
					   __assumed | _Waiter_bit,
					   __has_timeout, __s, __ns);
	  // Fetch the current value after waiting (clears _Waiter_bit).
	  __assumed = _M_load(__mo);
	  if (!__ret || ((__operand == __assumed) == __equal))
	    return __assumed;
	  // TODO adapt wait time
	}
    }

// Returns the operand's value if equal is true or a different value if
    // equal is false.
    // The assumed value is the caller's assumption about the current value
    // when making the call.
    unsigned
    _M_load_and_test(unsigned __assumed, unsigned __operand,
	bool __equal, memory_order __mo)
    {
      return _M_load_and_test_until(__assumed, __operand, __equal, __mo,
				    false, {}, {});
    }

// If a timeout occurs, returns a current value after the timeout;
    // otherwise, returns the operand's value if equal is true or a different
    // value if equal is false.
    // The assumed value is the caller's assumption about the current value
    // when making the call.
    template<typename _Dur>
    unsigned
    _M_load_and_test_until_impl(unsigned __assumed, unsigned __operand,
	bool __equal, memory_order __mo,
	const chrono::time_point<__clock_t, _Dur>& __atime)
    {
      auto __s = chrono::time_point_cast<chrono::seconds>(__atime);
      auto __ns = chrono::duration_cast<chrono::nanoseconds>(__atime - __s);
      // XXX correct?
      return _M_load_and_test_until(__assumed, __operand, __equal, __mo,
	  true, __s.time_since_epoch(), __ns);
    }

public:

_GLIBCXX_ALWAYS_INLINE unsigned
    _M_load_when_not_equal(unsigned __val, memory_order __mo)
    {
      unsigned __i = _M_load(__mo);
      if ((__i & ~_Waiter_bit) != __val)
	return (__i & ~_Waiter_bit);
      // TODO Spin-wait first.
      return _M_load_and_test(__i, __val, false, __mo);
    }

_GLIBCXX_ALWAYS_INLINE void
    _M_load_when_equal(unsigned __val, memory_order __mo)
    {
      unsigned __i = _M_load(__mo);
      if ((__i & ~_Waiter_bit) == __val)
	return;
      // TODO Spin-wait first.
      _M_load_and_test(__i, __val, true, __mo);
    }

// Returns false iff a timeout occurred.
    template<typename _Rep, typename _Period>
      _GLIBCXX_ALWAYS_INLINE bool
      _M_load_when_equal_for(unsigned __val, memory_order __mo,
	  const chrono::duration<_Rep, _Period>& __rtime)
      {
	return _M_load_when_equal_until(__val, __mo,
					__clock_t::now() + __rtime);
      }

// Returns false iff a timeout occurred.
    template<typename _Clock, typename _Duration>
      _GLIBCXX_ALWAYS_INLINE bool
      _M_load_when_equal_until(unsigned __val, memory_order __mo,
	  const chrono::time_point<_Clock, _Duration>& __atime)
      {
	// DR 887 - Sync unknown clock to known clock.
	const typename _Clock::time_point __c_entry = _Clock::now();
	const __clock_t::time_point __s_entry = __clock_t::now();
	const auto __delta = __atime - __c_entry;
	const auto __s_atime = __s_entry + __delta;
	return _M_load_when_equal_until(__val, __mo, __s_atime);
      }

// Returns false iff a timeout occurred.
    template<typename _Duration>
    _GLIBCXX_ALWAYS_INLINE bool
    _M_load_when_equal_until(unsigned __val, memory_order __mo,
	const chrono::time_point<__clock_t, _Duration>& __atime)
    {
      unsigned __i = _M_load(__mo);
      if ((__i & ~_Waiter_bit) == __val)
	return true;
      // TODO Spin-wait first.  Ignore effect on timeout.
      __i = _M_load_and_test_until_impl(__i, __val, true, __mo, __atime);
      return (__i & ~_Waiter_bit) == __val;
    }

_GLIBCXX_ALWAYS_INLINE void
    _M_store_notify_all(unsigned __val, memory_order __mo)
    {
      unsigned* __futex = (unsigned *)(void *)&_M_data;
      if (_M_data.exchange(__val, __mo) & _Waiter_bit)
	_M_futex_notify_all(__futex);
    }
  };

#else // ! (_GLIBCXX_HAVE_LINUX_FUTEX && ATOMIC_INT_LOCK_FREE > 1)

// If futexes are not available, use a mutex and a condvar to wait.
  // Because we access the data only within critical sections, all accesses
  // are sequentially consistent; thus, we satisfy any provided memory_order.
  template <unsigned _Waiter_bit = 0x80000000>
  class __atomic_futex_unsigned
  {
    typedef chrono::system_clock __clock_t;

unsigned _M_data;
    mutex _M_mutex;
    condition_variable _M_condvar;

public:
    explicit
    __atomic_futex_unsigned(unsigned __data) : _M_data(__data)
    { }

_GLIBCXX_ALWAYS_INLINE unsigned
    _M_load(memory_order __mo)
    {
      unique_lock<mutex> __lock(_M_mutex);
      return _M_data;
    }

_GLIBCXX_ALWAYS_INLINE unsigned
    _M_load_when_not_equal(unsigned __val, memory_order __mo)
    {
      unique_lock<mutex> __lock(_M_mutex);
      while (_M_data == __val)
	_M_condvar.wait(__lock);
      return _M_data;
    }

_GLIBCXX_ALWAYS_INLINE void
    _M_load_when_equal(unsigned __val, memory_order __mo)
    {
      unique_lock<mutex> __lock(_M_mutex);
      while (_M_data != __val)
	_M_condvar.wait(__lock);
    }

template<typename _Rep, typename _Period>
      _GLIBCXX_ALWAYS_INLINE bool
      _M_load_when_equal_for(unsigned __val, memory_order __mo,
	  const chrono::duration<_Rep, _Period>& __rtime)
      {
	unique_lock<mutex> __lock(_M_mutex);
	return _M_condvar.wait_for(__lock, __rtime,
				   [&] { return _M_data == __val;});
      }

template<typename _Clock, typename _Duration>
      _GLIBCXX_ALWAYS_INLINE bool
      _M_load_when_equal_until(unsigned __val, memory_order __mo,
	  const chrono::time_point<_Clock, _Duration>& __atime)
      {
	unique_lock<mutex> __lock(_M_mutex);
	return _M_condvar.wait_until(__lock, __atime,
				     [&] { return _M_data == __val;});
      }

_GLIBCXX_ALWAYS_INLINE void
    _M_store_notify_all(unsigned __val, memory_order __mo)
    {
      unique_lock<mutex> __lock(_M_mutex);
      _M_data = __val;
      _M_condvar.notify_all();
    }
  };

#endif // _GLIBCXX_HAVE_LINUX_FUTEX && ATOMIC_INT_LOCK_FREE > 1
#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif