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[NTOSKRNL]: NtQuerySystemInformation(SystemProcessInformation) should skip zombie processes, and it should use the KTHREAD ThreadListEntry, not the ETHREAD ThreadListEntry. Fixes winetest since Idle Threads are int he former, not the latter (verified and Windows does this too).

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svn path=/trunk/; revision=55731
This commit is contained in:
Alex Ionescu
2012-02-20 06:35:05 +00:00
parent 8fa73c4dc6
commit 4e027af35c
1 changed files with 21 additions and 5 deletions
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reactos/ntoskrnl/ex/sysinfo.c
+21 -5
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@@ -711,7 +711,9 @@ QSI_DEF(SystemProcessInformation)
/* Check for overflow */
if (Size < sizeof(SYSTEM_PROCESS_INFORMATION))
{
Overflow = TRUE;
}
/* Zero user's buffer */
if (!Overflow) RtlZeroMemory(Spi, Size);
@@ -719,14 +721,25 @@ QSI_DEF(SystemProcessInformation)
SystemProcess = PsIdleProcess;
Process = SystemProcess;
Current = (PUCHAR) Spi;
CurrentSize = 0;
ImageNameMaximumLength = 0;
do
{
SpiCurrent = (PSYSTEM_PROCESS_INFORMATION) Current;
if ((Process->ProcessExiting) &&
(Process->Pcb.Header.SignalState) &&
!(Process->ActiveThreads) &&
(IsListEmpty(&Process->Pcb.ThreadListHead)))
{
DPRINT1("Skipping zombie\n");
goto Skip;
}
ThreadsCount = 0;
CurrentEntry = Process->ThreadListHead.Flink;
while (CurrentEntry != &Process->ThreadListHead)
CurrentEntry = Process->Pcb.ThreadListHead.Flink;
while (CurrentEntry != &Process->Pcb.ThreadListHead)
{
ThreadsCount++;
CurrentEntry = CurrentEntry->Flink;
@@ -770,7 +783,9 @@ QSI_DEF(SystemProcessInformation)
/* Check for overflow */
if (TotalSize > Size)
{
Overflow = TRUE;
}
/* Fill system information */
if (!Overflow)
@@ -821,10 +836,10 @@ QSI_DEF(SystemProcessInformation)
SpiCurrent->PrivatePageCount = Process->CommitCharge;
ThreadInfo = (PSYSTEM_THREAD_INFORMATION)(SpiCurrent + 1);
CurrentEntry = Process->ThreadListHead.Flink;
while (CurrentEntry != &Process->ThreadListHead)
CurrentEntry = Process->Pcb.ThreadListHead.Flink;
while (CurrentEntry != &Process->Pcb.ThreadListHead)
{
CurrentThread = CONTAINING_RECORD(CurrentEntry, ETHREAD,
CurrentThread = (PETHREAD)CONTAINING_RECORD(CurrentEntry, KTHREAD,
ThreadListEntry);
ThreadInfo->KernelTime.QuadPart = UInt32x32To64(CurrentThread->Tcb.KernelTime, KeMaximumIncrement);
@@ -850,6 +865,7 @@ QSI_DEF(SystemProcessInformation)
}
/* Handle idle process entry */
Skip:
if (Process == PsIdleProcess) Process = NULL;
Process = PsGetNextProcess(Process);