Locker Class Reference

Inheritance diagram for Locker:

List of all members.

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Detailed Description

Locker guard.

This class holds the synchronization object: constructor locks this object and destructor unlocks this object.

For example, the following code:

  void f(Lockable &x)
  {
    x.enter();
    // ...
    x.leave();
  }

can be rewritten as:

  void f(Lockable &x)
  {
    Locker guard(x);
    // ...
  }

Even exception was thrown during function execution, the synchronization object will be properly unlocked.

Public Member Functions

• Locker (Lockable &lock)

  Lock synchronization object.
  

• ~Locker ()

  Unlock synchronization object.
  

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Constructor & Destructor Documentation

Locker

(

Lockable &

lock

)

[explicit]

Lock synchronization object.

This constructor hold the synchronization object lock. And lock it by Lockable::enter() method calling.

Parameters:

[in,out]

lock

Synchronization object.

See also:

Lockable::enter()

~Locker

(

)

Unlock synchronization object.

The destructor unlock the locked in constructor synchronization object.

See also:

Lockable::leave()

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