VOID
RegFreeMemory(
PVOID pMemory
)
{
LwRtlMemoryFree(pMemory);
}
void
RegMemoryFree(
IN OUT LW_PVOID pMemory
)
{
return LwRtlMemoryFree(pMemory);
}
void
RegFreeString(
PSTR pszString
)
{
LwRtlMemoryFree(pszString);
}
VOID
LwIoFreeMemory(
PVOID pMemory
)
{
LwRtlMemoryFree(pMemory);
}
VOID
LwIoFreeBuffer(
LW_PVOID pMemory
)
{
LwRtlMemoryFree(pMemory);
}
void
RegFreeWC16StringArrayWithNullTerminator(
PWSTR * ppwStringArray
)
{
DWORD i = 0;
if ( ppwStringArray )
{
while (ppwStringArray[i])
{
LwRtlMemoryFree(ppwStringArray[i++]);
}
LwRtlMemoryFree(ppwStringArray);
}
return;
}
static
VOID
DispatchSignal(
siginfo_t* pInfo
)
{
RING dispatch;
PRING pBase = NULL;
PRING pRing = NULL;
PRING pNext = NULL;
PLW_SIGNAL_SUBSCRIPTION pSub = NULL;
if (!gSignal.pSubscribers || pInfo->si_signo > gSignal.maxSig || pInfo->si_signo < 0)
{
return;
}
RingInit(&dispatch);
pBase = &gSignal.pSubscribers[pInfo->si_signo];
for (pRing = pBase->pNext; pRing != pBase; pRing = pRing->pNext)
{
pSub = LW_STRUCT_FROM_FIELD(pRing, LW_SIGNAL_SUBSCRIPTION, Ring);
pSub->ucRefCount++;
RingInit(&pSub->DispatchRing);
RingEnqueue(&dispatch, &pSub->DispatchRing);
}
UNLOCK_SIGNAL();
for (pRing = dispatch.pNext; pRing != &dispatch; pRing = pRing->pNext)
{
pSub = LW_STRUCT_FROM_FIELD(pRing, LW_SIGNAL_SUBSCRIPTION, DispatchRing);
NotifyTaskUnixSignal(pSub->pTask, pInfo);
}
LOCK_SIGNAL();
for (pRing = dispatch.pNext; pRing != &dispatch; pRing = pNext)
{
pNext = pRing->pNext;
pSub = LW_STRUCT_FROM_FIELD(pRing, LW_SIGNAL_SUBSCRIPTION, DispatchRing);
if (--pSub->ucRefCount == 0)
{
RingRemove(&pSub->Ring);
LwRtlReleaseTask(&pSub->pTask);
LwRtlMemoryFree(pSub);
}
}
}
void
RegFreeValueByteArray(
PBYTE* ppValues,
DWORD dwCount
)
{
DWORD i;
if ( ppValues )
{
for(i = 0; i < dwCount; i++)
{
if (ppValues[i])
{
LwRtlMemoryFree(ppValues[i]);
}
}
LwRtlMemoryFree(ppValues);
}
return;
}
void
RegFreeWC16StringArray(
PWSTR * ppwStringArray,
DWORD dwCount
)
{
DWORD i;
if ( ppwStringArray )
{
for(i = 0; i < dwCount; i++)
{
if (ppwStringArray[i])
{
LwRtlMemoryFree(ppwStringArray[i]);
}
}
LwRtlMemoryFree(ppwStringArray);
}
return;
}
static
VOID
LwRtlRBTreeFreeNode(
PLWRTL_RB_TREE pRBTree,
PLWRTL_RB_TREE_NODE pTreeNode
)
{
if (pTreeNode->pKey && pRBTree->pfnFreeKey)
{
pRBTree->pfnFreeKey(pTreeNode->pKey);
}
if (pTreeNode->pData && pRBTree->pfnFreeData)
{
pRBTree->pfnFreeData(pTreeNode->pData);
}
LwRtlMemoryFree(pTreeNode);
}
void
RegSrvCloseServer(
HANDLE hServer
)
{
PREG_SRV_API_STATE pServerState = (PREG_SRV_API_STATE)hServer;
if (pServerState->hEventLog != (HANDLE)NULL)
{
//RegSrvCloseEventLog(pServerState->hEventLog);
}
if (pServerState->pToken)
{
RtlReleaseAccessToken(&pServerState->pToken);
}
LwRtlMemoryFree(pServerState);
}
NTSTATUS
RegisterTaskUnixSignal(
LW_IN PLW_TASK pTask,
LW_IN int Sig,
LW_IN LW_BOOLEAN bSubscribe
)
{
NTSTATUS status = STATUS_SUCCESS;
size_t i = 0;
PRING pBase = NULL;
PRING pRing = NULL;
PLW_SIGNAL_SUBSCRIPTION pExisting = NULL;
PLW_SIGNAL_SUBSCRIPTION pSub = NULL;
struct sigaction action;
#ifdef SIGRTMAX
int maxSig = SIGRTMAX;
#else
int maxSig = SIGUSR2;
#endif
if (Sig == 0)
{
for (i = 1; i < maxSig + 1; i++)
{
status = RegisterTaskUnixSignal(pTask, (int) i, bSubscribe);
if (status)
{
return status;
}
}
return STATUS_SUCCESS;
}
LOCK_SIGNAL();
if (Sig > maxSig || Sig < 0)
{
status = STATUS_INVALID_PARAMETER;
GOTO_ERROR_ON_STATUS(status);
}
if (!gSignal.pSubscribers)
{
status = LW_RTL_ALLOCATE_ARRAY_AUTO(&gSignal.pSubscribers, maxSig + 1);
GOTO_ERROR_ON_STATUS(status);
for (i = 0; i < maxSig + 1; i++)
{
RingInit(&gSignal.pSubscribers[i]);
}
gSignal.maxSig = maxSig;
}
pBase = &gSignal.pSubscribers[Sig];
for (pRing = pBase->pNext; pRing != pBase; pRing = pRing->pNext)
{
pSub = LW_STRUCT_FROM_FIELD(pRing, LW_SIGNAL_SUBSCRIPTION, Ring);
if (pSub->pTask == pTask)
{
pExisting = pSub;
break;
}
}
if (bSubscribe && !pExisting)
{
if (Sig != SIGINT)
{
memset(&action, 0, sizeof(action));
/* Make sure there is a dummy handler for the signal
so it is actually delivered to the process */
action.sa_handler = DummyHandler;
action.sa_flags = 0;
if (sigaction(Sig, &action, NULL) < 0)
{
status = LwErrnoToNtStatus(errno);
GOTO_ERROR_ON_STATUS(status);
}
}
status = LW_RTL_ALLOCATE_AUTO(&pSub);
GOTO_ERROR_ON_STATUS(status);
pSub->pTask = pTask;
pSub->ucRefCount = 1;
RingInit(&pSub->Ring);
RingInit(&pSub->DispatchRing);
RingEnqueue(pBase, &pSub->Ring);
RetainTask(pTask);
}
else if (!bSubscribe && pExisting)
{
RingRemove(&pExisting->Ring);
if (--pExisting->ucRefCount == 0)
{
LwRtlReleaseTask(&pExisting->pTask);
LwRtlMemoryFree(pExisting);
}
}
error:
UNLOCK_SIGNAL();
return status;
}