SM_SharedMemoryHandle Struct Reference

#include <FUShmOutputModule.h>

Public Member Functions
void	detachShmBuffer ()
evf::FUShmBuffer *	getBufferRef ()
evf::FUShmBuffer *	getShmBuffer ()
	SM_SharedMemoryHandle ()

Public Attributes
evf::FUShmBuffer *	shmBuffer_

Detailed Description

Definition at line 27 of file FUShmOutputModule.h.

Constructor & Destructor Documentation

SM_SharedMemoryHandle::SM_SharedMemoryHandle ( )

inline

Definition at line 29 of file FUShmOutputModule.h.

                         :
    shmBuffer_(0)
  { }

Member Function Documentation

void SM_SharedMemoryHandle::detachShmBuffer ( )

inline

Definition at line 41 of file FUShmOutputModule.h.

References shmBuffer_.

Referenced by edm::FUShmOutputModule::stop(), and edm::FUShmOutputModule::~FUShmOutputModule().

                         {
   if(!shmBuffer_) {
     // no shared memory was attached to!
   } else {
     shmdt(shmBuffer_);
     shmBuffer_ = 0;
   }
  }

evf::FUShmBuffer* SM_SharedMemoryHandle::getBufferRef ( )

inline

Definition at line 49 of file FUShmOutputModule.h.

References shmBuffer_.

Referenced by edm::FUShmOutputModule::unregisterFromShm().

                                 {
    return shmBuffer_;
  }

evf::FUShmBuffer* SM_SharedMemoryHandle::getShmBuffer ( )

inline

Definition at line 33 of file FUShmOutputModule.h.

References evf::FUShmBuffer::getShmBuffer(), and shmBuffer_.

Referenced by edm::FUShmOutputModule::doOutputEvent(), edm::FUShmOutputModule::doOutputHeader(), and edm::FUShmOutputModule::start().

                                 {
   if(!shmBuffer_) {
     shmBuffer_ = evf::FUShmBuffer::getShmBuffer();
     return shmBuffer_;
   } else {
     return shmBuffer_;
   }
  }

Member Data Documentation

evf::FUShmBuffer* SM_SharedMemoryHandle::shmBuffer_

Definition at line 53 of file FUShmOutputModule.h.

Referenced by detachShmBuffer(), getBufferRef(), and getShmBuffer().