class Poco::NullMutex

Overview

A NullMutex is an empty mutex implementation which performs no locking at all. More…

#include <Mutex.h>

class NullMutex
{
public:
    // typedefs

    typedef Poco::ScopedLock<NullMutex> ScopedLock;

    // methods

    void
    lock();

    void
    lock(long);

    bool
    tryLock();

    bool
    tryLock(long);

    void
    unlock();
};

Detailed Documentation

A NullMutex is an empty mutex implementation which performs no locking at all.

Useful in policy driven design where the type of mutex used can be now a template parameter allowing the user to switch between thread-safe and not thread-safe depending on his need Works with the ScopedLock class

Construction

~NullMutex()

Destroys the NullMutex.

Methods

void
lock()

Does nothing.

void
lock(long)

Does nothing.

bool
tryLock()

Does nothing and always returns true.

bool
tryLock(long)

Does nothing and always returns true.

void
unlock()

Does nothing.