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Free the user stack in PsReapThreads.

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svn path=/trunk/; revision=3801
This commit is contained in:
Hartmut Birr 2002-11-27 20:54:37 +00:00
parent 56964fad03
commit d4386d7b53
1 changed files with 38 additions and 7 deletions
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45
reactos/ntoskrnl/ps/kill.c
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@ -1,4 +1,4 @@
/* $Id: kill.c,v 1.57 2002/09/08 10:23:40 chorns Exp $
/* $Id: kill.c,v 1.58 2002/11/27 20:54:37 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -96,17 +96,48 @@ PsReapThreads(VOID)
{
PEPROCESS Process = current->ThreadsProcess;
NTSTATUS Status = current->ExitStatus;
BOOLEAN Last;
PiNrThreadsAwaitingReaping--;
current->Tcb.State = THREAD_STATE_TERMINATED_2;
RemoveEntryList(&current->Tcb.ProcessThreadListEntry);
if (IsListEmpty(&Process->ThreadListHead))
{
KeReleaseSpinLock( &PiThreadListLock, oldIrql );
PiTerminateProcess(Process, Status);
KeAcquireSpinLock( &PiThreadListLock, &oldIrql );
}
Last = IsListEmpty(&Process->ThreadListHead);
KeReleaseSpinLock(&PiThreadListLock, oldIrql);
if (Last)
{
PiTerminateProcess(Process, Status);
}
else
{
if (current->Tcb.Teb)
{
/* If this is not the last thread for the process than free the memory
from user stack and teb. */
NTSTATUS Status;
ULONG Length;
ULONG Offset;
PVOID DeallocationStack;
HANDLE ProcessHandle;
Status = ObCreateHandle(PsGetCurrentProcess(), Process, PROCESS_ALL_ACCESS, FALSE, &ProcessHandle);
if (!NT_SUCCESS(Status))
{
DPRINT1("ObCreateHandle failed, status = %x\n", Status);
KeBugCheck(0);
}
Offset = FIELD_OFFSET(TEB, DeallocationStack);
Length = 0;
NtReadVirtualMemory(ProcessHandle, (PVOID)current->Tcb.Teb + Offset,
(PVOID)&DeallocationStack, sizeof(PVOID), &Length);
if (DeallocationStack && Length == sizeof(PVOID))
{
NtFreeVirtualMemory(ProcessHandle, &DeallocationStack, &Length, MEM_RELEASE);
}
Length = PAGE_SIZE;
NtFreeVirtualMemory(ProcessHandle, (PVOID*)&current->Tcb.Teb, &Length, MEM_RELEASE);
NtClose(ProcessHandle);
}
}
ObDereferenceObject(current);
KeAcquireSpinLock(&PiThreadListLock, &oldIrql);
current_entry = PiThreadListHead.Flink;