PNG  IHDR* pHYs+ IDATx]n#; cdLb Ǚ[at¤_:uP}>!Usă cag޿ ֵNu`ݼTâabO7uL&y^wFٝA"l[|ŲHLN밪4*sG3|Dv}?+y߉{OuOAt4Jj.u]Gz*҉sP'VQKbA1u\`& Af;HWj hsO;ogTu uj7S3/QzUr&wS`M$X_L7r2;aE+ώ%vikDA:dR+%KzƉo>eOth$z%: :{WwaQ:wz%4foɹE[9<]#ERINƻv溂E%P1i01 |Jvҗ&{b?9g=^wζXn/lK::90KwrюO\!ջ3uzuGv^;騢wq<Iatv09:tt~hEG`v;3@MNZD.1]L:{ծI3`L(÷ba")Y.iljCɄae#I"1 `3*Bdz>j<fU40⨬%O$3cGt]j%Fߠ_twJ;ABU8vP3uEԑwQ V:h%))LfraqX-ۿX]v-\9I gl8tzX ]ecm)-cgʒ#Uw=Wlێn(0hPP/ӨtQ“&J35 $=]r1{tLuǮ*i0_;NƝ8;-vݏr8+U-kruȕYr0RnC]*ެ(M:]gE;{]tg(#ZJ9y>utRDRMdr9㪩̞zֹb<ģ&wzJM"iI( .ꮅX)Qw:9,i좜\Ԛi7&N0:asϓc];=ΗOӣ APqz93 y $)A*kVHZwBƺnWNaby>XMN*45~ղM6Nvm;A=jֲ.~1}(9`KJ/V F9[=`~[;sRuk]rєT!)iQO)Y$V ی ۤmzWz5IM Zb )ˆC`6 rRa}qNmUfDsWuˤV{ Pݝ'=Kֳbg,UҘVz2ﴻnjNgBb{? ߮tcsͻQuxVCIY۠:(V뺕 ٥2;t`@Fo{Z9`;]wMzU~%UA蛚dI vGq\r82iu +St`cR.6U/M9IENDB` REDROOM
PHP 5.6.40
Preview: std_mutex.h Size: 9.08 KB
/usr/include/c++/8/bits/std_mutex.h

// std::mutex implementation -*- C++ -*-

// Copyright (C) 2003-2018 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/std_mutex.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{mutex}
 */

#ifndef _GLIBCXX_MUTEX_H
#define _GLIBCXX_MUTEX_H 1

#pragma GCC system_header

#if __cplusplus < 201103L
# include <bits/c++0x_warning.h>
#else

#include <system_error>
#include <bits/functexcept.h>
#include <bits/gthr.h>
#include <bits/move.h> // for std::swap

#ifdef _GLIBCXX_USE_C99_STDINT_TR1

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

  /**
   * @defgroup mutexes Mutexes
   * @ingroup concurrency
   *
   * Classes for mutex support.
   * @{
   */

#ifdef _GLIBCXX_HAS_GTHREADS
  // Common base class for std::mutex and std::timed_mutex
  class __mutex_base
  {
  protected:
    typedef __gthread_mutex_t			__native_type;

#ifdef __GTHREAD_MUTEX_INIT
    __native_type  _M_mutex = __GTHREAD_MUTEX_INIT;

    constexpr __mutex_base() noexcept = default;
#else
    __native_type  _M_mutex;

    __mutex_base() noexcept
    {
      // XXX EAGAIN, ENOMEM, EPERM, EBUSY(may), EINVAL(may)
      __GTHREAD_MUTEX_INIT_FUNCTION(&_M_mutex);
    }

    ~__mutex_base() noexcept { __gthread_mutex_destroy(&_M_mutex); }
#endif

    __mutex_base(const __mutex_base&) = delete;
    __mutex_base& operator=(const __mutex_base&) = delete;
  };

  /// The standard mutex type.
  class mutex : private __mutex_base
  {
  public:
    typedef __native_type* 			native_handle_type;

#ifdef __GTHREAD_MUTEX_INIT
    constexpr
#endif
    mutex() noexcept = default;
    ~mutex() = default;

    mutex(const mutex&) = delete;
    mutex& operator=(const mutex&) = delete;

    void
    lock()
    {
      int __e = __gthread_mutex_lock(&_M_mutex);

      // EINVAL, EAGAIN, EBUSY, EINVAL, EDEADLK(may)
      if (__e)
	__throw_system_error(__e);
    }

    bool
    try_lock() noexcept
    {
      // XXX EINVAL, EAGAIN, EBUSY
      return !__gthread_mutex_trylock(&_M_mutex);
    }

    void
    unlock()
    {
      // XXX EINVAL, EAGAIN, EPERM
      __gthread_mutex_unlock(&_M_mutex);
    }

    native_handle_type
    native_handle() noexcept
    { return &_M_mutex; }
  };

#endif // _GLIBCXX_HAS_GTHREADS

  /// Do not acquire ownership of the mutex.
  struct defer_lock_t { explicit defer_lock_t() = default; };

  /// Try to acquire ownership of the mutex without blocking.
  struct try_to_lock_t { explicit try_to_lock_t() = default; };

  /// Assume the calling thread has already obtained mutex ownership
  /// and manage it.
  struct adopt_lock_t { explicit adopt_lock_t() = default; };

  /// Tag used to prevent a scoped lock from acquiring ownership of a mutex.
  _GLIBCXX17_INLINE constexpr defer_lock_t	defer_lock { };

  /// Tag used to prevent a scoped lock from blocking if a mutex is locked.
  _GLIBCXX17_INLINE constexpr try_to_lock_t	try_to_lock { };

  /// Tag used to make a scoped lock take ownership of a locked mutex.
  _GLIBCXX17_INLINE constexpr adopt_lock_t	adopt_lock { };

  /** @brief A simple scoped lock type.
   *
   * A lock_guard controls mutex ownership within a scope, releasing
   * ownership in the destructor.
   */
  template<typename _Mutex>
    class lock_guard
    {
    public:
      typedef _Mutex mutex_type;

      explicit lock_guard(mutex_type& __m) : _M_device(__m)
      { _M_device.lock(); }

      lock_guard(mutex_type& __m, adopt_lock_t) noexcept : _M_device(__m)
      { } // calling thread owns mutex

      ~lock_guard()
      { _M_device.unlock(); }

      lock_guard(const lock_guard&) = delete;
      lock_guard& operator=(const lock_guard&) = delete;

    private:
      mutex_type&  _M_device;
    };

  /** @brief A movable scoped lock type.
   *
   * A unique_lock controls mutex ownership within a scope. Ownership of the
   * mutex can be delayed until after construction and can be transferred
   * to another unique_lock by move construction or move assignment. If a
   * mutex lock is owned when the destructor runs ownership will be released.
   */
  template<typename _Mutex>
    class unique_lock
    {
    public:
      typedef _Mutex mutex_type;

      unique_lock() noexcept
      : _M_device(0), _M_owns(false)
      { }

      explicit unique_lock(mutex_type& __m)
      : _M_device(std::__addressof(__m)), _M_owns(false)
      {
	lock();
	_M_owns = true;
      }

      unique_lock(mutex_type& __m, defer_lock_t) noexcept
      : _M_device(std::__addressof(__m)), _M_owns(false)
      { }

      unique_lock(mutex_type& __m, try_to_lock_t)
      : _M_device(std::__addressof(__m)), _M_owns(_M_device->try_lock())
      { }

      unique_lock(mutex_type& __m, adopt_lock_t) noexcept
      : _M_device(std::__addressof(__m)), _M_owns(true)
      {
	// XXX calling thread owns mutex
      }

      template<typename _Clock, typename _Duration>
	unique_lock(mutex_type& __m,
		    const chrono::time_point<_Clock, _Duration>& __atime)
	: _M_device(std::__addressof(__m)),
	  _M_owns(_M_device->try_lock_until(__atime))
	{ }

      template<typename _Rep, typename _Period>
	unique_lock(mutex_type& __m,
		    const chrono::duration<_Rep, _Period>& __rtime)
	: _M_device(std::__addressof(__m)),
	  _M_owns(_M_device->try_lock_for(__rtime))
	{ }

      ~unique_lock()
      {
	if (_M_owns)
	  unlock();
      }

      unique_lock(const unique_lock&) = delete;
      unique_lock& operator=(const unique_lock&) = delete;

      unique_lock(unique_lock&& __u) noexcept
      : _M_device(__u._M_device), _M_owns(__u._M_owns)
      {
	__u._M_device = 0;
	__u._M_owns = false;
      }

      unique_lock& operator=(unique_lock&& __u) noexcept
      {
	if(_M_owns)
	  unlock();

	unique_lock(std::move(__u)).swap(*this);

	__u._M_device = 0;
	__u._M_owns = false;

	return *this;
      }

      void
      lock()
      {
	if (!_M_device)
	  __throw_system_error(int(errc::operation_not_permitted));
	else if (_M_owns)
	  __throw_system_error(int(errc::resource_deadlock_would_occur));
	else
	  {
	    _M_device->lock();
	    _M_owns = true;
	  }
      }

      bool
      try_lock()
      {
	if (!_M_device)
	  __throw_system_error(int(errc::operation_not_permitted));
	else if (_M_owns)
	  __throw_system_error(int(errc::resource_deadlock_would_occur));
	else
	  {
	    _M_owns = _M_device->try_lock();
	    return _M_owns;
	  }
      }

      template<typename _Clock, typename _Duration>
	bool
	try_lock_until(const chrono::time_point<_Clock, _Duration>& __atime)
	{
	  if (!_M_device)
	    __throw_system_error(int(errc::operation_not_permitted));
	  else if (_M_owns)
	    __throw_system_error(int(errc::resource_deadlock_would_occur));
	  else
	    {
	      _M_owns = _M_device->try_lock_until(__atime);
	      return _M_owns;
	    }
	}

      template<typename _Rep, typename _Period>
	bool
	try_lock_for(const chrono::duration<_Rep, _Period>& __rtime)
	{
	  if (!_M_device)
	    __throw_system_error(int(errc::operation_not_permitted));
	  else if (_M_owns)
	    __throw_system_error(int(errc::resource_deadlock_would_occur));
	  else
	    {
	      _M_owns = _M_device->try_lock_for(__rtime);
	      return _M_owns;
	    }
	 }

      void
      unlock()
      {
	if (!_M_owns)
	  __throw_system_error(int(errc::operation_not_permitted));
	else if (_M_device)
	  {
	    _M_device->unlock();
	    _M_owns = false;
	  }
      }

      void
      swap(unique_lock& __u) noexcept
      {
	std::swap(_M_device, __u._M_device);
	std::swap(_M_owns, __u._M_owns);
      }

      mutex_type*
      release() noexcept
      {
	mutex_type* __ret = _M_device;
	_M_device = 0;
	_M_owns = false;
	return __ret;
      }

      bool
      owns_lock() const noexcept
      { return _M_owns; }

      explicit operator bool() const noexcept
      { return owns_lock(); }

      mutex_type*
      mutex() const noexcept
      { return _M_device; }

    private:
      mutex_type*	_M_device;
      bool		_M_owns; // XXX use atomic_bool
    };

  /// Swap overload for unique_lock objects.
  template<typename _Mutex>
    inline void
    swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) noexcept
    { __x.swap(__y); }

  // @} group mutexes
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif // _GLIBCXX_USE_C99_STDINT_TR1

#endif // C++11

#endif // _GLIBCXX_MUTEX_H

Directory Contents

Dirs: 0 × Files: 128

Name Size Perms Modified Actions
21.23 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.22 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.39 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
19.60 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
23.28 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.35 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
2.20 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
15.70 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
5.94 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
237.01 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
52.50 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
26.52 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
1.44 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
20.42 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
20.79 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.34 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.56 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
1.77 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
2.17 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
33.32 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
12.10 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
2.23 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
1.61 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
5.84 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
47.77 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
12.86 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
32.03 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
14.38 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
10.04 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.50 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
32.12 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.18 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
8.04 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
5.39 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.59 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
72.06 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
66.38 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
2.10 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
7.68 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.57 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
30.30 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
30.36 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
15.60 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
5.51 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
24.31 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
8.18 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
15.72 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
90.16 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
38.62 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
67.36 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
44.22 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.42 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
2.40 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
6.38 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
4.69 KB lrw-r--r-- 2025-08-26 09:45:07
Edit Download
8.02 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
12.03 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.91 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.76 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
8.02 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
8.87 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
6.47 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
4.93 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
171.14 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
103.12 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.79 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
11.61 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
95.12 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
16.18 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
10.47 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.65 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
17.63 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
18.84 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
14.36 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
4.79 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.31 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
18.40 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
6.92 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
14.66 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
22.88 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.54 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
53.01 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.13 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
45.95 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.90 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.19 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
22.71 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.08 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
209.27 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
49.31 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
32.94 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.22 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
76.73 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
40.77 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
19.73 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
41.30 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.99 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
8.48 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
65.97 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
51.55 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
40.58 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
34.97 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
13.51 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
18.21 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
23.51 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
3.74 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
4.49 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
35.28 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
11.66 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
8.15 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
73.15 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
27.06 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
59.12 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
4.81 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
13.44 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
6.50 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
2.55 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
6.54 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
9.84 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
25.38 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
73.58 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
57.76 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
6.37 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
22.12 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
21.30 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
7.08 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
18.08 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download
28.95 KB lrw-r--r-- 2025-08-26 09:45:00
Edit Download

If ZipArchive is unavailable, a .tar will be created (no compression).
© 2026 REDROOM — Secure File Manager. All rights reserved. Built with ❤️ & Red Dark UI