DEVTHREADPARMS* CreateDeviceThread(unsigned short wDevNum)
{
DEVTHREADPARMS* pThreadParms; // ptr to returned device_thread parameters
DWORD dwThreadID; // (work)
pThreadParms = malloc(sizeof(DEVTHREADPARMS)); // (allocate structure)
if (!pThreadParms)
{
WRMSG ( HHC04111, "E", 0, wDevNum, "malloc(DEVTHREADPARMS)", errno, strerror(errno) );
return NULL; // (error)
}
pThreadParms->hShutdownEvent = MyCreateEvent(NULL,TRUE,FALSE,NULL);
if (!pThreadParms->hShutdownEvent)
{
WRMSG ( HHC04111, "E", 0, wDevNum, "CreateEvent(hShutdownEvent)", errno, strerror(errno) );
free(pThreadParms);
return NULL; // (error)
}
pThreadParms->hRequestQueuedEvent = MyCreateEvent(NULL,TRUE,FALSE,NULL);
if (!pThreadParms->hRequestQueuedEvent)
{
WRMSG ( HHC04111, "E", 0, wDevNum, "CreateEvent(hRequestQueuedEvent)", errno, strerror(errno) );
MyCloseHandle(pThreadParms->hShutdownEvent);
free(pThreadParms);
return NULL; // (error)
}
MyInitializeCriticalSection(&pThreadParms->IORequestListLock);
InitializeListLink(&pThreadParms->ThreadListLinkingListEntry);
InitializeListHead(&pThreadParms->IORequestListHeadListEntry);
pThreadParms->bThreadIsDead = FALSE;
pThreadParms->dwThreadID = 0;
if (fthread_create(&dwThreadID,NULL,DeviceThread,pThreadParms,"DeviceThread") != 0)
{
WRMSG ( HHC04111, "E", 0, wDevNum, "fthread_create(DeviceThread)", errno, strerror(errno) );
MyCloseHandle(pThreadParms->hShutdownEvent);
MyCloseHandle(pThreadParms->hRequestQueuedEvent);
MyDeleteCriticalSection(&pThreadParms->IORequestListLock);
free(pThreadParms);
return NULL; // (error)
}
// Add the newly created device_thread to the end of our list of managed threads.
InsertListTail(&ThreadListHeadListEntry,&pThreadParms->ThreadListLinkingListEntry);
if (++ios_devtnbr > ios_devthwm) ios_devthwm = ios_devtnbr;
LockThreadParms(pThreadParms); // (lock thread parms before using)
return pThreadParms; // (success)
}
DLL_EXPORT int ptt_pthread_create(fthread_t *tid, ATTR *attr,
PFT_THREAD_FUNC start, void *arg, char *nm, char *loc)
{
int result;
result = fthread_create(tid, attr, start, arg, nm);
PTTRACE ("create", (void *)(uintptr_t)(*tid), NULL, loc, result);
return result;
}
