[ros-diffs] [weiden] 13974: Alex Ionescu <ionucu@videotron.ca>
Alex Ionescu
ionucu at videotron.ca
Sat Mar 12 20:31:06 CET 2005
weiden at svn.reactos.com wrote:
>Alex Ionescu <ionucu at videotron.ca>
>- Removed ke/alert.c and moved its functions where they belong.
>- Commented and organized KeInitializeThread.
>- Began switch to true KOBJECT enumeration used in NT.
>- Implemented KeAlertResumeThread and NtAlertResumeThread.
>- Harmonized Formatting in ke/kthread.c
>
>Modified: trunk/reactos/drivers/storage/floppy/floppy.c
>Modified: trunk/reactos/include/ddk/ketypes.h
>Modified: trunk/reactos/ntoskrnl/Makefile
>Modified: trunk/reactos/ntoskrnl/include/internal/ps.h
>
>
>Deleted: trunk/reactos/ntoskrnl/ke/alert.c
>
>
>Modified: trunk/reactos/ntoskrnl/ke/apc.c
>Modified: trunk/reactos/ntoskrnl/ke/dpc.c
>Modified: trunk/reactos/ntoskrnl/ke/kthread.c
>Modified: trunk/reactos/ntoskrnl/ke/wait.c
>Modified: trunk/reactos/ntoskrnl/ps/thread.c
>
>
> ------------------------------------------------------------------------
What didn't fit:
Index: ntoskrnl/ke/kthread.c
===================================================================
--- ntoskrnl/ke/kthread.c (.../trunk/reactos) (revision 13937)
+++ ntoskrnl/ke/kthread.c (.../branches/alex_devel_branch/reactos)
(revision 13942)
@@ -355,20 +471,26 @@
*/
CCHAR
STDCALL
-KeSetIdealProcessorThread (
- IN PKTHREAD Thread,
- IN CCHAR Processor)
+KeSetIdealProcessorThread(IN PKTHREAD Thread,
+ IN CCHAR Processor)
{
- CCHAR PreviousIdealProcessor;
+ CCHAR PreviousIdealProcessor;
+ KIRQL OldIrql;
+
+ /* Lock the Dispatcher Database */
+ OldIrql = KeAcquireDispatcherDatabaseLock();
- /* Save Old Ideal Processor */
- PreviousIdealProcessor = Thread->IdealProcessor;
-
- /* Set New Ideal Processor */
- Thread->IdealProcessor = Processor;
-
- /* Return Old Ideal Processor */
- return PreviousIdealProcessor;
+ /* Save Old Ideal Processor */
+ PreviousIdealProcessor = Thread->IdealProcessor;
+
+ /* Set New Ideal Processor */
+ Thread->IdealProcessor = Processor;
+
+ /* Release Lock */
+ KeReleaseDispatcherDatabaseLock(OldIrql);
+
+ /* Return Old Ideal Processor */
+ return PreviousIdealProcessor;
}
/*
@@ -378,86 +500,237 @@
STDCALL
KeSetSystemAffinityThread(IN KAFFINITY Affinity)
{
-#ifdef CONFIG_SMP
- PKTHREAD CurrentThread;
- KIRQL oldIrql;
+ PKTHREAD CurrentThread = KeGetCurrentThread();
+ KIRQL OldIrql;
- oldIrql = KeAcquireDispatcherDatabaseLock();
+ ASSERT(Affinity & ((1 << KeNumberProcessors) - 1));
+
+ /* Lock the Dispatcher Database */
+ OldIrql = KeAcquireDispatcherDatabaseLock();
- CurrentThread = KeGetCurrentThread();
+ /* Set the System Affinity Specified */
+ CurrentThread->Affinity = Affinity;
- ASSERT(Affinity & ((1 << KeNumberProcessors) - 1));
-
- /* Set the System Affinity Specified */
- CurrentThread->Affinity = Affinity;
-
- /* Enable System Affinity */
- CurrentThread->SystemAffinityActive = TRUE;
-
- if (Affinity & (1 << KeGetCurrentProcessorNumber()))
- {
- KeReleaseDispatcherDatabaseLock(oldIrql);
- }
- else
- {
- CurrentThread->WaitIrql = oldIrql;
- PsDispatchThreadNoLock(THREAD_STATE_READY);
- KeLowerIrql(oldIrql);
- }
-#endif
+ /* Enable System Affinity */
+ CurrentThread->SystemAffinityActive = TRUE;
+
+ /* Check if we need to Dispatch a New thread */
+ if (Affinity & (1 << KeGetCurrentProcessorNumber())) {
+
+ /* No, just release */
+ KeReleaseDispatcherDatabaseLock(OldIrql);
+
+ } else {
+
+ /* We need to dispatch a new thread */
+ CurrentThread->WaitIrql = OldIrql;
+ PsDispatchThreadNoLock(THREAD_STATE_READY);
+ KeLowerIrql(OldIrql);
+ }
}
/*
* @implemented
*/
+ /* The Increment Argument seems to be ignored by NT and always 0 when
called */
VOID
STDCALL
KeTerminateThread(IN KPRIORITY Increment)
{
- /* The Increment Argument seems to be ignored by NT and always 0
when called */
-
- /* Call our own internal routine */
- PsTerminateCurrentThread(0);
+ /* Call our own internal routine */
+ PsTerminateCurrentThread(0);
}
+/*
+ * FUNCTION: Tests whether there are any pending APCs for the current
thread
+ * and if so the APCs will be delivered on exit from kernel mode
+ */
+BOOLEAN
+STDCALL
+KeTestAlertThread(IN KPROCESSOR_MODE AlertMode)
+{
+ KIRQL OldIrql;
+ PKTHREAD Thread = KeGetCurrentThread();
+ BOOLEAN OldState;
+
+ ASSERT_IRQL_LESS_OR_EQUAL(DISPATCH_LEVEL);
+
+ /* Lock the Dispatcher Database and the APC Queue */
+ OldIrql = KeAcquireDispatcherDatabaseLock();
+ KiAcquireSpinLock(&Thread->ApcQueueLock);
+
+ /* Save the old State */
+ OldState = Thread->Alerted[AlertMode];
+
+ /* If the Thread is Alerted, Clear it */
+ if (OldState) {
+
+ Thread->Alerted[AlertMode] = FALSE;
+
+ } else if ((AlertMode == UserMode) &&
(!IsListEmpty(&Thread->ApcState.ApcListHead[UserMode]))) {
+
+ /* If the mode is User and the Queue isn't empty, set Pending */
+ Thread->ApcState.UserApcPending = TRUE;
+ }
+
+ /* Release Locks and return the Old State */
+ KiReleaseSpinLock(&Thread->ApcQueueLock);
+ KeReleaseDispatcherDatabaseLock(OldIrql);
+ return OldState;
+}
+VOID
+KiServiceCheck (VOID)
+{
+ PKTHREAD Thread = KeGetCurrentThread();
+
+ /* Check if we need to inialize Win32 for this Thread */
+ if (Thread->ServiceTable != KeServiceDescriptorTableShadow) {
+
+ /* We do. Initialize it and save the new table */
+ PsInitWin32Thread((PETHREAD)Thread);
+ Thread->ServiceTable = KeServiceDescriptorTableShadow;
+ }
+}
+
+/*
+ *
+ * NOT EXPORTED
+ */
NTSTATUS
STDCALL
+NtAlertResumeThread(IN HANDLE ThreadHandle,
+ OUT PULONG SuspendCount)
+{
+ KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+ PETHREAD Thread;
+ NTSTATUS Status;
+ ULONG PreviousState;
+
+ /* Check if parameters are valid */
+ if(PreviousMode != KernelMode) {
+
+ _SEH_TRY {
+
+ ProbeForWrite(SuspendCount,
+ sizeof(HANDLE),
+ sizeof(ULONG));
+
+ } _SEH_HANDLE {
+
+ Status = _SEH_GetExceptionCode();
+
+ } _SEH_END;
+ }
+
+ /* Reference the Object */
+ Status = ObReferenceObjectByHandle(ThreadHandle,
+ THREAD_SUSPEND_RESUME,
+ PsThreadType,
+ PreviousMode,
+ (PVOID*)&Thread,
+ NULL);
+
+ /* Check for Success */
+ if (NT_SUCCESS(Status)) {
+
+ /* Call the Kernel Function */
+ PreviousState = KeAlertResumeThread(&Thread->Tcb);
+
+ /* Dereference Object */
+ ObDereferenceObject(Thread);
+
+ if (SuspendCount) {
+
+ _SEH_TRY {
+
+ *SuspendCount = PreviousState;
+
+ } _SEH_HANDLE {
+
+ Status = _SEH_GetExceptionCode();
+
+ } _SEH_END;
+ }
+ }
+
+ /* Return status */
+ return Status;
+}
+
+/*
+ * @implemented
+ *
+ * EXPORTED
+ */
+NTSTATUS
+STDCALL
+NtAlertThread (IN HANDLE ThreadHandle)
+{
+ KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+ PETHREAD Thread;
+ NTSTATUS Status;
+
+ /* Reference the Object */
+ Status = ObReferenceObjectByHandle(ThreadHandle,
+ THREAD_SUSPEND_RESUME,
+ PsThreadType,
+ PreviousMode,
+ (PVOID*)&Thread,
+ NULL);
+
+ /* Check for Success */
+ if (NT_SUCCESS(Status)) {
+
+ /*
+ * Do an alert depending on the processor mode. If some kmode
code wants to
+ * enforce a umode alert it should call KeAlertThread()
directly. If kmode
+ * code wants to do a kmode alert it's sufficient to call it
with Zw or just
+ * use KeAlertThread() directly
+ */
+ KeAlertThread(&Thread->Tcb, PreviousMode);
+
+ /* Dereference Object */
+ ObDereferenceObject(Thread);
+ }
+
+ /* Return status */
+ return Status;
+}
+
+NTSTATUS
+STDCALL
NtDelayExecution(IN BOOLEAN Alertable,
IN PLARGE_INTEGER DelayInterval)
{
- KPROCESSOR_MODE PreviousMode;
- LARGE_INTEGER SafeInterval;
+ KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
+ LARGE_INTEGER SafeInterval;
+ NTSTATUS Status;
- PreviousMode = ExGetPreviousMode();
-
- if(PreviousMode != KernelMode)
- {
- NTSTATUS Status = STATUS_SUCCESS;
+ /* Check if parameters are valid */
+ if(PreviousMode != KernelMode) {
- _SEH_TRY
- {
- ProbeForRead(DelayInterval,
- sizeof(LARGE_INTEGER),
- sizeof(ULONG));
- /* make a copy on the kernel stack and let DelayInterval point
to it so
- we don't need to wrap KeDelayExecutionThread in SEH! */
- SafeInterval = *DelayInterval;
- DelayInterval = &SafeInterval;
- }
- _SEH_HANDLE
- {
- Status = _SEH_GetExceptionCode();
- }
- _SEH_END;
-
- if(!NT_SUCCESS(Status))
- {
- return Status;
- }
+ _SEH_TRY {
+
+ ProbeForRead(DelayInterval,
+ sizeof(LARGE_INTEGER),
+ sizeof(ULONG));
+
+ /* make a copy on the kernel stack and let DelayInterval
point to it so
+ we don't need to wrap KeDelayExecutionThread in SEH! */
+ SafeInterval = *DelayInterval;
+
+ } _SEH_HANDLE {
+
+ Status = _SEH_GetExceptionCode();
+ } _SEH_END;
}
- return KeDelayExecutionThread(PreviousMode,
- Alertable,
- DelayInterval);
+ /* Call the Kernel Function */
+ Status = KeDelayExecutionThread(PreviousMode,
+ Alertable,
+ &SafeInterval);
+
+ /* Return Status */
+ return Status;
}
Index: ntoskrnl/ke/alert.c
===================================================================
--- ntoskrnl/ke/alert.c (.../trunk/reactos) (revision 13937)
+++ ntoskrnl/ke/alert.c (.../branches/alex_devel_branch/reactos)
(revision 13942)
@@ -1,150 +0,0 @@
-/* $Id:$
- *
- * COPYRIGHT: See COPYING in the top level directory
- * PROJECT: ReactOS kernel
- * FILE: ntoskrnl/ke/alert.c
- * PURPOSE: Alerts
- *
- * PROGRAMMERS: Alex Ionescu (alex at relsoft.net)
- */
-
-/* INCLUDES
*****************************************************************/
-
-#include <ntoskrnl.h>
-#define NDEBUG
-#include <internal/debug.h>
-
-/* GLOBALS
*******************************************************************/
-
-
-/* FUNCTIONS
*****************************************************************/
-
-
-BOOLEAN
-STDCALL
-KeTestAlertThread(IN KPROCESSOR_MODE AlertMode)
-/*
- * FUNCTION: Tests whether there are any pending APCs for the current
thread
- * and if so the APCs will be delivered on exit from kernel mode
- */
-{
- KIRQL OldIrql;
- PKTHREAD Thread = KeGetCurrentThread();
- BOOLEAN OldState;
-
- ASSERT_IRQL_LESS_OR_EQUAL(DISPATCH_LEVEL);
-
- OldIrql = KeAcquireDispatcherDatabaseLock();
- KiAcquireSpinLock(&Thread->ApcQueueLock);
-
- OldState = Thread->Alerted[AlertMode];
-
- /* If the Thread is Alerted, Clear it */
- if (OldState) {
- Thread->Alerted[AlertMode] = FALSE;
- } else if ((AlertMode == UserMode) &&
(!IsListEmpty(&Thread->ApcState.ApcListHead[UserMode]))) {
- /* If the mode is User and the Queue isn't empty, set Pending */
- Thread->ApcState.UserApcPending = TRUE;
- }
-
- KiReleaseSpinLock(&Thread->ApcQueueLock);
- KeReleaseDispatcherDatabaseLock(OldIrql);
- return OldState;
-}
-
-
-VOID
-KeAlertThread(PKTHREAD Thread, KPROCESSOR_MODE AlertMode)
-{
- KIRQL oldIrql;
-
-
- oldIrql = KeAcquireDispatcherDatabaseLock();
-
-
- /* Return if thread is already alerted. */
- if (Thread->Alerted[AlertMode] == FALSE)
- {
- if (Thread->State == THREAD_STATE_BLOCKED &&
- (AlertMode == KernelMode || Thread->WaitMode == AlertMode) &&
- Thread->Alertable)
- {
- KiAbortWaitThread(Thread, STATUS_ALERTED);
- }
- else
- {
- Thread->Alerted[AlertMode] = TRUE;
- }
- }
-
- KeReleaseDispatcherDatabaseLock(oldIrql);
-
-}
-
-
-/*
- *
- * NOT EXPORTED
- */
-NTSTATUS STDCALL
-NtAlertResumeThread(IN HANDLE ThreadHandle,
- OUT PULONG SuspendCount)
-{
- UNIMPLEMENTED;
- return(STATUS_NOT_IMPLEMENTED);
-
-}
-
-/*
- * @implemented
- *
- * EXPORTED
- */
-NTSTATUS STDCALL
-NtAlertThread (IN HANDLE ThreadHandle)
-{
- KPROCESSOR_MODE PreviousMode;
- PETHREAD Thread;
- NTSTATUS Status;
-
- PreviousMode = ExGetPreviousMode();
-
- Status = ObReferenceObjectByHandle(ThreadHandle,
- THREAD_SUSPEND_RESUME,
- PsThreadType,
- PreviousMode,
- (PVOID*)&Thread,
- NULL);
- if (!NT_SUCCESS(Status))
- {
- return(Status);
- }
-
- /* do an alert depending on the processor mode. If some kmode code
wants to
- enforce a umode alert it should call KeAlertThread() directly. If
kmode
- code wants to do a kmode alert it's sufficient to call it with Zw
or just
- use KeAlertThread() directly */
-
- KeAlertThread(&Thread->Tcb, PreviousMode);
-
- ObDereferenceObject(Thread);
- return(STATUS_SUCCESS);
-}
-
-
-/*
- * NOT EXPORTED
- */
-NTSTATUS
-STDCALL
-NtTestAlert(VOID)
-{
- KPROCESSOR_MODE PreviousMode;
-
- PreviousMode = ExGetPreviousMode();
-
- /* Check and Alert Thread if needed */
-
- return KeTestAlertThread(PreviousMode) ? STATUS_ALERTED :
STATUS_SUCCESS;
-}
-
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