framexmit::abstractsemaphore Class Reference
[Frame multicast client/server]

#include <fxmitmutex.hh>

Inheritance diagram for framexmit::abstractsemaphore:

List of all members.

Public Types
enum	locktype { rdlock = 0, wrlock = 1 }
	type of lock More...
Public Member Functions
	abstractsemaphore ()
virtual	~abstractsemaphore ()
virtual void	lock ()=0
virtual void	readlock ()=0
virtual void	writelock ()=0
virtual void	unlock ()=0
virtual bool	trylock (locktype lck=rdlock)=0

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Detailed Description

This class is used as an abstract base class for mutex and locks.

brief Abstract class to manage a semaphore.

Author:

DS, November 98

See also:

Mutex objects

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Member Enumeration Documentation

enum framexmit::abstractsemaphore::locktype

type of lock

Enumerator:

rdlock	read lock
wrlock	write lock

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Constructor & Destructor Documentation

framexmit::abstractsemaphore::abstractsemaphore

(

)

[inline]

Default Costructor. brief Default destructor.

Returns:

void

virtual framexmit::abstractsemaphore::~abstractsemaphore

(

)

[virtual]

Abstract virtual destructor. brief Default destructor.

Returns:

void

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Member Function Documentation

virtual void framexmit::abstractsemaphore::lock

(

)

[pure virtual]

Locks the semaphore (abstract virtual method). brief Semaphore lock function.

Returns:

void

Implemented in framexmit::mutex, framexmit::recursivemutex, and framexmit::readwritelock.

virtual void framexmit::abstractsemaphore::readlock

(

)

[pure virtual]

Locks the semaphore to allow read access (abstract virtual method). brief Semaphore lock function.

Returns:

void

Implemented in framexmit::mutex, and framexmit::readwritelock.

virtual void framexmit::abstractsemaphore::writelock

(

)

[pure virtual]

Locks the semaphore to allow wrire access (abstract virtual method). brief Semaphore lock function.

Returns:

void

Implemented in framexmit::mutex, and framexmit::readwritelock.

virtual void framexmit::abstractsemaphore::unlock

(

)

[pure virtual]

Unlocks the semaphore (abstract virtual method). brief Semaphore unlock function.

Returns:

void

Implemented in framexmit::mutex, framexmit::recursivemutex, and framexmit::readwritelock.

virtual bool framexmit::abstractsemaphore::trylock

(

locktype

lck = rdlock

)

[pure virtual]

Tries to lock the semaphore (abstract virtual method). The return argument indicates whether the semaphore was successfully locked, or whether the semaphore was already taken by somebody else. brief Semaphore trylock function.

Returns:

true if semaphore locked

Implemented in framexmit::mutex, framexmit::recursivemutex, and framexmit::readwritelock.

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The documentation for this class was generated from the following file:

• framexmit/fxmitmutex.hh

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