XrdSysSemaphore Class Reference

#include <XrdSysPthread.hh>

Collaboration diagram for XrdSysSemaphore:

Public Member Functions
	XrdSysSemaphore (int semval=1, const char *=0)
	~XrdSysSemaphore ()
int	CondWait ()
void	Post ()
void	Wait ()

Detailed Description

Definition at line 493 of file XrdSysPthread.hh.

Constructor & Destructor Documentation

XrdSysSemaphore()

XrdSysSemaphore::XrdSysSemaphore ( int semval = 1, const char * = 0 )

inline

Definition at line 515 of file XrdSysPthread.hh.

                               {if (sem_init(&h_semaphore, 0, semval))
                                   {throw "sem_init() failed";}
                               }

Referenced by XrdSys::IOEvents::pollArg::pollArg(), XrdCl::SyncQueue< Item >::SyncQueue(), XrdCl::SyncQueue< Item >::Clear(), and XrdCl::CopyProcess::Run().

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~XrdSysSemaphore()

XrdSysSemaphore::~XrdSysSemaphore ( )

inline

Definition at line 519 of file XrdSysPthread.hh.

                    {if (sem_destroy(&h_semaphore))
                        {abort();}
                    }

Member Function Documentation

CondWait()

int XrdSysSemaphore::CondWait ( )

inline

Definition at line 497 of file XrdSysPthread.hh.

       {while(sem_trywait( &h_semaphore ))
             {if (errno == EAGAIN) return 0;
              if (errno != EINTR) { throw "sem_CondWait() failed";}
             }
        return 1;
       }

Post()

void XrdSysSemaphore::Post ( )

inline

Definition at line 505 of file XrdSysPthread.hh.

                   {if (sem_post(&h_semaphore))
                       {throw "sem_post() failed";}
                   }

Referenced by XrdRmcReal::~XrdRmcReal(), XrdInet::Accept(), XrdSys::IOEvents::PollE::Begin(), XrdSys::IOEvents::PollKQ::Begin(), XrdSys::IOEvents::PollPoll::Begin(), XrdSys::IOEvents::PollPort::Begin(), XrdSys::IOEvents::Poller::CbkXeq(), XrdPosixFile::DelayedDestroy(), XrdCl::SyncQueue< Item >::Put(), XrdXrootdProtocol::Recycle(), XrdCmsAdmin::Relay(), XrdOssArcFSMon::Release(), XrdLink::setRef(), XrdOssSys::Stage_RT(), XrdPollE::Start(), XrdPollPoll::Start(), XrdFrmConfigMum(), and XrdSysLoggerRT().

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Wait()

void XrdSysSemaphore::Wait ( )

inline

Definition at line 509 of file XrdSysPthread.hh.

                   {while (sem_wait(&h_semaphore))
                          {if (EINTR != errno) 
                              {throw "sem_wait() failed";}
                          }
                   }

Referenced by XrdRmcReal::~XrdRmcReal(), XrdSysLogger::Bind(), XrdOssArcBackupTask::BkpXeq(), XrdFrmConfig::Configure(), XrdSys::IOEvents::Poller::Create(), XrdPosixFile::DelayedDestroy(), XrdSys::IOEvents::Channel::Delete(), XrdRmcData::Detach(), XrdPollPoll::Disable(), XrdCmsConfig::DoIt(), XrdPollPoll::Exclude(), XrdCl::ExecuteActions(), XrdSsiFileReq::Finalize(), XrdCl::SyncQueue< Item >::Get(), XrdSsiTaskReal::Kill(), mainAccept(), XrdCmsAdmin::Relay(), XrdCl::CopyProcess::Run(), XrdSys::IOEvents::Poller::SendCmd(), XrdLink::Serialize(), XrdXrootdFile::Serialize(), XrdOssSys::Stage_In(), and XrdFrmXfrQueue::StopMon().

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

• XrdSysPthread.hh