dcf::Sem Class Reference

#include <sem.hpp>

Inheritance diagram for dcf::Sem:

Public Member Functions
	Sem (int)
virtual	~Sem ()
virtual dcf::error_t	allocate (int rn)=0
virtual dcf::error_t	release (int rn)=0
virtual dcf::error_t	available (int &rn) const =0
dcf::error_t	operator-- ()
dcf::error_t	operator++ ()

Detailed Description

Abstract semaphore object.

Constructor & Destructor Documentation

dcf::Sem::Sem ( int  )

inline

Constructor with number of resources provided.

virtual dcf::Sem::~Sem ( )

inlinevirtual

Destructs object.

Member Function Documentation

virtual dcf::error_t dcf::Sem::allocate ( int  rn )

pure virtual

Allocates provided number of resources or waits if all resources are allocated. 

Should be reimplemented.

Implemented in dcf::UnnamedSem.

virtual dcf::error_t dcf::Sem::available ( int &  rn ) const

pure virtual

Gets number of free resources. Should be reimplemented.

Implemented in dcf::UnnamedSem.

dcf::error_t dcf::Sem::operator++ ( )

inline

Releases one resource.

dcf::error_t dcf::Sem::operator-- ( )

inline

Allocates one resource.

virtual dcf::error_t dcf::Sem::release ( int  rn )

pure virtual

Releases provided number of resources. 

Should be reimplemented.

Implemented in dcf::UnnamedSem.

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

• /net/opt/univers/ubp-i-15.3-centos7-x64.urij/include/dcf/sem.hpp