Mutexes
[Concurrency]

Collaboration diagram for Mutexes:

Classes

• struct std::adopt_lock_t

  Assume the calling thread has already obtained mutex ownership and manage it. More...
  

• struct std::defer_lock_t

  Do not acquire ownership of the mutex. More...
  

• class std::lock_error

  Thrown to indicate errors with lock operations. More...
  

• class std::lock_guard< _Mutex >

  Scoped lock idiom. More...
  

• class std::mutex

  mutex More...
  

• struct std::once_flag

  once_flag More...
  

• class std::recursive_mutex

  recursive_mutex More...
  

• class std::recursive_timed_mutex

  recursive_timed_mutex More...
  

• class std::timed_mutex

  timed_mutex More...
  

• struct std::try_to_lock_t

  Try to acquire ownership of the mutex without blocking. More...
  

• class std::unique_lock< _Mutex >

  unique_lock More...
  

Functions

• unique_lock< mutex > & std::__get_once_functor_lock ()
• void std::__once_proxy ()
• template<typename _Callable , typename... _Args> void std::call_once (once_flag &__once, _Callable __f, _Args &&...__args)
• template<typename _L1 , typename _L2 , typename... _L3> void std::lock (_L1 &, _L2 &, _L3 &...)
• template<typename _Mutex > void std::swap (unique_lock< _Mutex > &__x, unique_lock< _Mutex > &&__y)
• template<typename _Mutex > void std::swap (unique_lock< _Mutex > &&__x, unique_lock< _Mutex > &__y)
• template<typename _Mutex > void std::swap (unique_lock< _Mutex > &__x, unique_lock< _Mutex > &__y)
• template<typename _Lock1 , typename _Lock2 , typename... _Lock3> int std::try_lock (_Lock1 &__l1, _Lock2 &__l2, _Lock3 &...__l3)

Variables

• function< void()> std::__once_functor
• const adopt_lock_t std::adopt_lock
• const defer_lock_t std::defer_lock
• const try_to_lock_t std::try_to_lock

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Detailed Description

Classes for mutex support.

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Function Documentation

template<typename _Callable , typename... _Args>

void std::call_once	(	once_flag &	__once,
		_Callable	__f,
		_Args &&...	__args
	)			[inline]

call_once

Definition at line 741 of file mutex.

References std::once_flag::_M_once, std::bind(), std::unique_lock< _Mutex >::lock(), and std::unique_lock< _Mutex >::unlock().

template<typename _L1 , typename _L2 , typename... _L3>

void std::lock	(	_L1 &	,
		_L2 &	,
		_L3 &	...
	)			[inline]

lock

template<typename _Lock1 , typename _Lock2 , typename... _Lock3>

int std::try_lock	(	_Lock1 &	__l1,
		_Lock2 &	__l2,
		_Lock3 &...	__l3
	)			[inline]

Generic try_lock.

Parameters:

	__l1	Meets Mutex requirements (try_lock() may throw).
	__l2	Meets Mutex requirements (try_lock() may throw).
	__l3	Meets Mutex requirements (try_lock() may throw).

Returns:

Returns -1 if all try_lock() calls return true. Otherwise returns a 0-based index corresponding to the argument that returned false.

Postcondition:

Either all arguments are locked, or none will be.

Sequentially calls try_lock() on each argument.

Definition at line 686 of file mutex.

References std::try_lock().

Referenced by std::try_lock().