G4PDefManager Class Reference

#include <G4PDefManager.hh>

Collaboration diagram for G4PDefManager:

Public Member Functions
	G4PDefManager ()
G4int	CreateSubInstance ()
void	NewSubInstances ()
void	FreeSlave ()
G4PDefData *	GetOffset ()
void	UseWorkArea (G4PDefData *newOffset)
G4PDefData *	FreeWorkArea ()

Public Attributes
G4PART_DLL G4ThreadLocalStatic G4int	slavetotalspace =0
G4PART_DLL G4ThreadLocalStatic G4PDefData *	offset =0

Detailed Description

Definition at line 87 of file G4PDefManager.hh.

Constructor & Destructor Documentation

G4PDefManager::G4PDefManager

(

)

Definition at line 59 of file G4PDefManager.cc.

                             : totalobj(0)
{
    G4MUTEXINIT(mutex);
}

Member Function Documentation

G4int G4PDefManager::CreateSubInstance

(

)

Definition at line 64 of file G4PDefManager.cc.

{
    G4AutoLock l(&mutex);
    totalobj++;
    if (totalobj > slavetotalspace)
    {
        l.unlock();
        NewSubInstances();
        l.lock();
    }
    return (totalobj - 1);
}

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void G4PDefManager::FreeSlave

(

)

Definition at line 103 of file G4PDefManager.cc.

{
    if (!offset)  { return; }
    free(offset);
    offset = 0;
}

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G4PDefData * G4PDefManager::FreeWorkArea

(

)

Definition at line 131 of file G4PDefManager.cc.

{
    // Detach this thread from this Location
    // The object which calls this method is responsible for it.
    //
    G4PDefData* offsetRet= offset;

    offset= 0;

    return offsetRet;
}

G4PDefData * G4PDefManager::GetOffset

(

)

Definition at line 112 of file G4PDefManager.cc.

{
    return offset;
}

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void G4PDefManager::NewSubInstances

(

)

Definition at line 80 of file G4PDefManager.cc.

{
    G4AutoLock l(&mutex);
    if (slavetotalspace  >= totalobj)  { return; }
    G4int originaltotalspace = slavetotalspace;
    slavetotalspace = totalobj + 512;
    offset = (G4PDefData *) realloc(offset, slavetotalspace * sizeof(G4PDefData));

    if (offset == 0)
    {
        G4Exception("G4PDefManager::NewSubInstances()",
                "OutOfMemory", FatalException, "Cannot malloc space!");
    }

    for (G4int i = originaltotalspace; i < slavetotalspace; i++)
    {
        offset[i].initialize();
    }
}

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void G4PDefManager::UseWorkArea

(

G4PDefData *

newOffset

)

Definition at line 117 of file G4PDefManager.cc.

{
    // Use recycled work area - which was created previously
    if( offset && offset!=newOffset )
    {
        G4Exception("G4PDefManager::UseWorkspace()",
                "TwoWorkspaces", FatalException,
                "Thread already has workspace - cannot use another.");
    }
    offset= newOffset;
    // totalobj= numObjects;
    // totalspace= numSpace;
}

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Member Data Documentation

G4ThreadLocal G4PDefData * G4PDefManager::offset =0

Definition at line 116 of file G4PDefManager.hh.

G4ThreadLocal G4int G4PDefManager::slavetotalspace =0

Definition at line 115 of file G4PDefManager.hh.

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

• geant4.10.03.p01/source/particles/management/include/G4PDefManager.hh
• geant4.10.03.p01/source/particles/management/src/G4PDefManager.cc