Source code of Windows XP (NT5)
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69 lines
1.1 KiB

/*++
Copyright (C) 2000-2001 Microsoft Corporation
--*/
#include <windows.h>
#include <stdio.h>
#include <wbemcomn.h>
#include "a51fib.h"
#include <tls.h>
void CALLBACK A51FiberBase(void* p)
{
CFiberTask* pTask = (CFiberTask*)p;
pTask->Execute();
//
// No need to clean up --- it's the job of our caller
//
}
void* CreateFiberForTask(CFiberTask* pTask)
{
//
// For now, just create it
//
void* pFiber = CreateFiber(0, A51FiberBase, pTask);
return pFiber;
}
void ReturnFiber(void* pFiber)
{
//
// For now, just delete it
//
DeleteFiber(pFiber);
}
CTLS g_tlsInit;
void* CreateOrGetCurrentFiber()
{
if(!g_tlsInit.IsValid())
return NULL;
void* pFiber = g_tlsInit.Get();
if(pFiber == NULL)
{
//
// We have never seen this thread before --- convert to fiber
//
pFiber = ConvertThreadToFiber(NULL);
if(pFiber == NULL)
return NULL;
//
// Remember it for the future
//
g_tlsInit.Set(pFiber);
}
return pFiber;
}