void AttansicL2Ethernet::atSwFree()
{
if (adapter_.stats_lock)
{
IOSimpleLockFree(adapter_.stats_lock);
adapter_.stats_lock = NULL;
}
if (adapter_.tx_lock)
{
IOSimpleLockFree(adapter_.tx_lock);
adapter_.tx_lock = NULL;
}
}
// Free is called twice:
// First when the atomic retainCount transitions from 1 -> 0
// Secondly when the work loop itself is commiting hari kari
// Hence the each leg of the free must be single threaded.
void IOWorkLoop::free()
{
if (workThread) {
IOInterruptState is;
// If we are here then we must be trying to shut down this work loop
// in this case disable all of the event source, mark the loop
// as terminating and wakeup the work thread itself and return
// Note: we hold the gate across the entire operation mainly for the
// benefit of our event sources so we can disable them cleanly.
closeGate();
disableAllEventSources();
is = IOSimpleLockLockDisableInterrupt(workToDoLock);
SETP(&fFlags, kLoopTerminate);
thread_wakeup_one((void *) &workToDo);
IOSimpleLockUnlockEnableInterrupt(workToDoLock, is);
openGate();
}
else /* !workThread */ {
IOEventSource *event, *next;
for (event = eventChain; event; event = next) {
next = event->getNext();
event->setWorkLoop(0);
event->setNext(0);
event->release();
}
eventChain = 0;
// Either we have a partial initialization to clean up
// or the workThread itself is performing hari-kari.
// Either way clean up all of our resources and return.
if (controlG) {
controlG->release();
controlG = 0;
}
if (workToDoLock) {
IOSimpleLockFree(workToDoLock);
workToDoLock = 0;
}
if (gateLock) {
IORecursiveLockFree(gateLock);
gateLock = 0;
}
if (reserved) {
IODelete(reserved, ExpansionData, 1);
reserved = 0;
}
super::free();
}
}
void AgereET131x::free()
{
//IOLog("AgereET131x::free()\n");
IOSimpleLockFree( adapter.Lock );
IOSimpleLockFree( adapter.TCBSendQLock );
IOSimpleLockFree( adapter.TCBReadyQLock );
IOSimpleLockFree( adapter.SendHWLock );
IOSimpleLockFree( adapter.RcvLock );
IOSimpleLockFree( adapter.FbrLock );
IOSimpleLockFree( adapter.PHYLock );
RELEASE(netif);
RELEASE(interruptSource);
RELEASE(watchdogSource);
RELEASE(workLoop);
RELEASE(pciDevice);
RELEASE(mediumDict);
int i;
for (i = 0; i < MEDIUM_INDEX_COUNT; i++) {
RELEASE(mediumTable[i]);
}
RELEASE(csrPCIAddress);
RELEASE(rxMbufCursor);
RELEASE(txMbufCursor);
super::free();
}
void com_reidburke_air_IntelEnhancedSpeedStep::free(void) {
dbg("Freeing driver resources\n");
/* Deallocate the previously allocated spinlock */
IOSimpleLockFree(Lock);
super::free();
}
void IOFWSyncer::free()
{
// just in case a thread is blocked here:
privateSignal();
if (guardLock != NULL)
IOSimpleLockFree(guardLock);
OSObject::free();
}
void driver::free(void) {
chkpoint("begin");
RELEASE(perfTimer);
RELEASE(workLoop);
IOSimpleLockFree(eist_lock);
super::free();
chkpoint("end");
}
void CLASS::free(void)
{
/*
* Note: _wdhLock is not freed in original code
*/
if (_isochScheduleLock) {
IOSimpleLockFree(_isochScheduleLock);
_isochScheduleLock = 0;
}
super::free();
}
// Class stop
void
VoodooPState::stop(IOService * provider)
{
Request = ColdStart ? (PStateCount-1) : 0; // hot/cold start
ProcessorDriver();
Ready = false;
if (TimerEventSource) {
TimerEventSource->cancelTimeout();
}
if (SimpleLock) {
IOSimpleLockFree(SimpleLock);
}
IOService::stop(provider);
}
void iTCOWatchdog::free(void)
{
DbgPrint(drvid, "free\n");
free_common();
if (GCSMem.map) GCSMem.map->release();
if (GCSMem.range) GCSMem.range->release();
LPCNub->close(this);
LPCNub->release();
PMstop();
IOSimpleLockFree(lock);
super::free();
}
void AppleGPIO::stop(IOService *provider)
{
UInt32 flags, i;
IOPlatformFunction *func;
AppleGPIOCallbackInfo *thisClient, *nextClient;
// Execute any functions flagged as "on termination"
UInt32 count = fPlatformFuncArray->getCount();
for (i = 0; i < count; i++)
{
if (func = OSDynamicCast(IOPlatformFunction, fPlatformFuncArray->getObject(i)))
{
flags = func->getCommandFlags();
if (flags & kIOPFFlagOnTerm)
performFunction(func, (void *)1, (void *)0, (void *)0, (void *)0);
}
}
// Unregister for interrupts
if (fIntGen && amRegistered())
{
disableWithParent();
unregisterWithParent();
fIntGen = false;
}
if (fPFLock) { IOLockFree (fPFLock); fPFLock = NULL; }
IOSimpleLockLock(fClientsLock);
if (fClients)
{
thisClient = fClients;
while (thisClient)
{
nextClient = thisClient->next;
IOFree(thisClient, sizeof(AppleGPIOCallbackInfo));
thisClient = nextClient;
}
fClients = 0;
}
IOSimpleLockUnlock(fClientsLock);
IOSimpleLockFree(fClientsLock); fClientsLock = 0;
IOLockFree(fAmRegisteredLock); fAmRegisteredLock = 0;
IOSimpleLockFree(fAmEnabledLock); fAmEnabledLock = 0;
fParent = 0;
fGPIOID = kGPIOIDInvalid;
if (fSymIntRegister) { fSymIntRegister->release(); fSymIntRegister = 0; }
if (fSymIntUnRegister) { fSymIntUnRegister->release(); fSymIntUnRegister = 0; }
if (fSymIntEnable) { fSymIntEnable->release(); fSymIntEnable = 0; }
if (fSymIntDisable) { fSymIntDisable->release(); fSymIntDisable = 0; }
#ifdef OLD_STYLE_COMPAT
releaseStrings();
#endif
super::stop(provider);
}