mirror of
https://github.com/reactos/reactos.git
synced 2025-02-22 16:36:33 +00:00
- Fix some formatting.
svn path=/trunk/; revision=20428
This commit is contained in:
Alex Ionescu
parent
e642f64e26
commit
ba6ca2fce0
2 changed files with 270 additions and 255 deletions
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@ -1,11 +1,10 @@
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/nt/event.c
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* PURPOSE: Named event support
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*
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* PROGRAMMERS: Alex Ionescu(alex@relsoft.net) - Fixed bugs/commented
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* Philip Susi and David Welch
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* PROJECT: ReactOS Kernel
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* FILE: ntoskrnl/ex/event.c
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* PURPOSE: Event support
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* PROGRAMMERS: Alex Ionescu(alex@relsoft.net)
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* Thomas Weidenmueller
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*/
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/* INCLUDES *****************************************************************/
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@ -22,14 +21,15 @@
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POBJECT_TYPE ExEventObjectType = NULL;
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static GENERIC_MAPPING ExpEventMapping = {
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GENERIC_MAPPING ExpEventMapping =
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{
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STANDARD_RIGHTS_READ | SYNCHRONIZE | EVENT_QUERY_STATE,
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STANDARD_RIGHTS_WRITE | SYNCHRONIZE | EVENT_MODIFY_STATE,
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STANDARD_RIGHTS_EXECUTE | SYNCHRONIZE | EVENT_QUERY_STATE,
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EVENT_ALL_ACCESS};
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static const INFORMATION_CLASS_INFO ExEventInfoClass[] = {
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static const INFORMATION_CLASS_INFO ExEventInfoClass[] =
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{
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/* EventBasicInformation */
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ICI_SQ_SAME( sizeof(EVENT_BASIC_INFORMATION), sizeof(ULONG), ICIF_QUERY),
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};
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@ -38,35 +38,33 @@ static const INFORMATION_CLASS_INFO ExEventInfoClass[] = {
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VOID
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INIT_FUNCTION
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STDCALL
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NTAPI
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ExpInitializeEventImplementation(VOID)
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{
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OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
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UNICODE_STRING Name;
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OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
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UNICODE_STRING Name;
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DPRINT("Creating Event Object Type\n");
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DPRINT("Creating Event Object Type\n");
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/* Create the Event Object Type */
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RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
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RtlInitUnicodeString(&Name, L"Event");
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ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
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ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(KEVENT);
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ObjectTypeInitializer.GenericMapping = ExpEventMapping;
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ObjectTypeInitializer.PoolType = NonPagedPool;
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ObjectTypeInitializer.ValidAccessMask = EVENT_ALL_ACCESS;
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ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ExEventObjectType);
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/* Create the Event Object Type */
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RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
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RtlInitUnicodeString(&Name, L"Event");
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ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
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ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(KEVENT);
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ObjectTypeInitializer.GenericMapping = ExpEventMapping;
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ObjectTypeInitializer.PoolType = NonPagedPool;
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ObjectTypeInitializer.ValidAccessMask = EVENT_ALL_ACCESS;
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ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ExEventObjectType);
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}
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/*
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* @implemented
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*/
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NTSTATUS
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STDCALL
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NTAPI
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NtClearEvent(IN HANDLE EventHandle)
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{
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PKEVENT Event;
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NTSTATUS Status;
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PAGED_CODE();
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/* Reference the Object */
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@ -78,8 +76,8 @@ NtClearEvent(IN HANDLE EventHandle)
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NULL);
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/* Check for Success */
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if(NT_SUCCESS(Status)) {
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if(NT_SUCCESS(Status))
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{
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/* Clear the Event and Dereference */
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KeClearEvent(Event);
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ObDereferenceObject(Event);
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@ -89,12 +87,11 @@ NtClearEvent(IN HANDLE EventHandle)
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return Status;
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}
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/*
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* @implemented
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*/
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NTSTATUS
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STDCALL
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NTAPI
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NtCreateEvent(OUT PHANDLE EventHandle,
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IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
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@ -105,22 +102,26 @@ NtCreateEvent(OUT PHANDLE EventHandle,
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PKEVENT Event;
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HANDLE hEvent;
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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DPRINT("NtCreateEvent(0x%p, 0x%x, 0x%p)\n", EventHandle, DesiredAccess, ObjectAttributes);
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/* Check Output Safety */
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if(PreviousMode != KernelMode) {
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_SEH_TRY {
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DPRINT("NtCreateEvent(0x%p, 0x%x, 0x%p)\n",
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EventHandle, DesiredAccess, ObjectAttributes);
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/* Check if we were called from user-mode */
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if(PreviousMode != KernelMode)
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{
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/* Enter SEH Block */
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_SEH_TRY
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{
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/* Check handle pointer */
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ProbeForWriteHandle(EventHandle);
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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}
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_SEH_END;
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} _SEH_END;
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/* Bail out if pointer was invalid */
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if(!NT_SUCCESS(Status)) return Status;
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}
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@ -136,8 +137,8 @@ NtCreateEvent(OUT PHANDLE EventHandle,
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(PVOID*)&Event);
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/* Check for Success */
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if(NT_SUCCESS(Status)) {
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if(NT_SUCCESS(Status))
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{
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/* Initalize the Event */
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KeInitializeEvent(Event,
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EventType,
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@ -153,17 +154,17 @@ NtCreateEvent(OUT PHANDLE EventHandle,
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ObDereferenceObject(Event);
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/* Check for success and return handle */
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if(NT_SUCCESS(Status)) {
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_SEH_TRY {
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if(NT_SUCCESS(Status))
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{
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_SEH_TRY
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{
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*EventHandle = hEvent;
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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} _SEH_END;
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}
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_SEH_END;
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}
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}
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@ -175,7 +176,7 @@ NtCreateEvent(OUT PHANDLE EventHandle,
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* @implemented
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*/
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NTSTATUS
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STDCALL
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NTAPI
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NtOpenEvent(OUT PHANDLE EventHandle,
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IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes)
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@ -183,22 +184,26 @@ NtOpenEvent(OUT PHANDLE EventHandle,
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HANDLE hEvent;
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KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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DPRINT("NtOpenEvent(0x%p, 0x%x, 0x%p)\n", EventHandle, DesiredAccess, ObjectAttributes);
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/* Check Output Safety */
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if(PreviousMode != KernelMode) {
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_SEH_TRY {
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DPRINT("NtOpenEvent(0x%p, 0x%x, 0x%p)\n",
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EventHandle, DesiredAccess, ObjectAttributes);
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/* Check if we were called from user-mode */
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if(PreviousMode != KernelMode)
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{
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/* Enter SEH Block */
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_SEH_TRY
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{
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/* Check handle pointer */
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ProbeForWriteHandle(EventHandle);
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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}
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_SEH_END;
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} _SEH_END;
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/* Bail out if pointer was invalid */
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if(!NT_SUCCESS(Status)) return Status;
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}
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@ -211,18 +216,20 @@ NtOpenEvent(OUT PHANDLE EventHandle,
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NULL,
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&hEvent);
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/* Check for success and return handle */
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if(NT_SUCCESS(Status)) {
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_SEH_TRY {
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/* Check for success */
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if(NT_SUCCESS(Status))
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{
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/* Enter SEH for return */
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_SEH_TRY
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{
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/* Return the handle to the caller */
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*EventHandle = hEvent;
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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} _SEH_END;
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}
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_SEH_END;
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}
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/* Return status */
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@ -233,30 +240,33 @@ NtOpenEvent(OUT PHANDLE EventHandle,
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* @implemented
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*/
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NTSTATUS
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STDCALL
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NTAPI
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NtPulseEvent(IN HANDLE EventHandle,
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OUT PLONG PreviousState OPTIONAL)
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{
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PKEVENT Event;
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KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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DPRINT("NtPulseEvent(EventHandle 0%x PreviousState 0%x)\n",
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EventHandle, PreviousState);
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/* Check buffer validity */
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if(PreviousState && PreviousMode != KernelMode) {
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_SEH_TRY {
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/* Check if we were called from user-mode */
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if((PreviousState) && (PreviousMode != KernelMode))
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{
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/* Entry SEH Block */
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_SEH_TRY
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{
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/* Make sure the state pointer is valid */
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ProbeForWriteLong(PreviousState);
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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}
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_SEH_END;
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} _SEH_END;
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/* Bail out if pointer was invalid */
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if(!NT_SUCCESS(Status)) return Status;
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}
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@ -269,24 +279,26 @@ NtPulseEvent(IN HANDLE EventHandle,
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NULL);
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/* Check for success */
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if(NT_SUCCESS(Status)) {
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if(NT_SUCCESS(Status))
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{
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/* Pulse the Event */
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LONG Prev = KePulseEvent(Event, EVENT_INCREMENT, FALSE);
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ObDereferenceObject(Event);
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/* Return it */
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if(PreviousState) {
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_SEH_TRY {
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/* Check if caller wants the old state back */
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if(PreviousState)
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{
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/* Entry SEH Block for return */
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_SEH_TRY
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{
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/* Return previous state */
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*PreviousState = Prev;
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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} _SEH_END;
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}
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_SEH_END;
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}
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}
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@ -294,12 +306,11 @@ NtPulseEvent(IN HANDLE EventHandle,
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return Status;
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}
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/*
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* @implemented
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*/
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NTSTATUS
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STDCALL
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NTAPI
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NtQueryEvent(IN HANDLE EventHandle,
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IN EVENT_INFORMATION_CLASS EventInformationClass,
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OUT PVOID EventInformation,
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@ -310,7 +321,6 @@ NtQueryEvent(IN HANDLE EventHandle,
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KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
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NTSTATUS Status = STATUS_SUCCESS;
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PEVENT_BASIC_INFORMATION BasicInfo = (PEVENT_BASIC_INFORMATION)EventInformation;
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PAGED_CODE();
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DPRINT("NtQueryEvent(0x%p, 0x%x)\n", EventHandle, EventInformationClass);
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@ -322,8 +332,8 @@ NtQueryEvent(IN HANDLE EventHandle,
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EventInformationLength,
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ReturnLength,
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PreviousMode);
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if(!NT_SUCCESS(Status)) {
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if(!NT_SUCCESS(Status))
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{
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/* Invalid buffers */
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DPRINT("NtQuerySemaphore() failed, Status: 0x%x\n", Status);
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return Status;
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@ -338,22 +348,23 @@ NtQueryEvent(IN HANDLE EventHandle,
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NULL);
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/* Check for success */
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if(NT_SUCCESS(Status)) {
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_SEH_TRY {
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if(NT_SUCCESS(Status))
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{
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/* Entry SEH Block */
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_SEH_TRY
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{
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/* Return Event Type and State */
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BasicInfo->EventType = Event->Header.Type;
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BasicInfo->EventState = KeReadStateEvent(Event);
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/* Return length */
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if(ReturnLength) *ReturnLength = sizeof(EVENT_BASIC_INFORMATION);
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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} _SEH_END;
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}
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_SEH_END;
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/* Dereference the Object */
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ObDereferenceObject(Event);
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@ -367,30 +378,33 @@ NtQueryEvent(IN HANDLE EventHandle,
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* @implemented
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*/
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NTSTATUS
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STDCALL
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NTAPI
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NtResetEvent(IN HANDLE EventHandle,
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OUT PLONG PreviousState OPTIONAL)
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{
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PKEVENT Event;
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KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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DPRINT("NtResetEvent(EventHandle 0%x PreviousState 0%x)\n",
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EventHandle, PreviousState);
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/* Check buffer validity */
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if(PreviousState && PreviousMode != KernelMode) {
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_SEH_TRY {
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/* Check if we were called from user-mode */
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if((PreviousState) && (PreviousMode != KernelMode))
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{
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/* Entry SEH Block */
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_SEH_TRY
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{
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/* Make sure the state pointer is valid */
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ProbeForWriteLong(PreviousState);
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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}
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_SEH_END;
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} _SEH_END;
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/* Bail out if pointer was invalid */
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if(!NT_SUCCESS(Status)) return Status;
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}
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|
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@ -403,24 +417,26 @@ NtResetEvent(IN HANDLE EventHandle,
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NULL);
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/* Check for success */
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if(NT_SUCCESS(Status)) {
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if(NT_SUCCESS(Status))
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{
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/* Reset the Event */
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LONG Prev = KeResetEvent(Event);
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ObDereferenceObject(Event);
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/* Return it */
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if(PreviousState) {
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_SEH_TRY {
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|
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/* Check if caller wants the old state back */
|
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if(PreviousState)
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{
|
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/* Entry SEH Block for return */
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_SEH_TRY
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{
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/* Return previous state */
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*PreviousState = Prev;
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
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|
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}
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_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
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{
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Status = _SEH_GetExceptionCode();
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} _SEH_END;
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}
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_SEH_END;
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}
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}
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|
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@ -432,30 +448,33 @@ NtResetEvent(IN HANDLE EventHandle,
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* @implemented
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*/
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NTSTATUS
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STDCALL
|
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NTAPI
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NtSetEvent(IN HANDLE EventHandle,
|
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OUT PLONG PreviousState OPTIONAL)
|
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{
|
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PKEVENT Event;
|
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KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
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NTSTATUS Status = STATUS_SUCCESS;
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PAGED_CODE();
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DPRINT("NtSetEvent(EventHandle 0%x PreviousState 0%x)\n",
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EventHandle, PreviousState);
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/* Check buffer validity */
|
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if(PreviousState != NULL && PreviousMode != KernelMode) {
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|
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_SEH_TRY {
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|
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/* Check if we were called from user-mode */
|
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if((PreviousState) && (PreviousMode != KernelMode))
|
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{
|
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/* Entry SEH Block */
|
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_SEH_TRY
|
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{
|
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/* Make sure the state pointer is valid */
|
||||
ProbeForWriteLong(PreviousState);
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} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
|
||||
|
||||
}
|
||||
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
} _SEH_END;
|
||||
|
||||
/* Bail out if pointer was invalid */
|
||||
if(!NT_SUCCESS(Status)) return Status;
|
||||
}
|
||||
|
||||
|
|
@ -468,24 +487,26 @@ NtSetEvent(IN HANDLE EventHandle,
|
|||
NULL);
|
||||
|
||||
/* Check for success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Set the Event */
|
||||
LONG Prev = KeSetEvent(Event, EVENT_INCREMENT, FALSE);
|
||||
ObDereferenceObject(Event);
|
||||
|
||||
/* Return it */
|
||||
if(PreviousState) {
|
||||
|
||||
_SEH_TRY {
|
||||
|
||||
/* Check if caller wants the old state back */
|
||||
if(PreviousState)
|
||||
{
|
||||
/* Entry SEH Block for return */
|
||||
_SEH_TRY
|
||||
{
|
||||
/* Return previous state */
|
||||
*PreviousState = Prev;
|
||||
|
||||
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
|
||||
|
||||
}
|
||||
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
|
||||
} _SEH_END;
|
||||
}
|
||||
_SEH_END;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,13 +1,10 @@
|
|||
/*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
* PROJECT: ReactOS Kernel
|
||||
* FILE: ntoskrnl/ex/evtpair.c
|
||||
* PURPOSE: Support for event pairs
|
||||
*
|
||||
* PROGRAMMERS: Alex Ionescu (Commented, reorganized, removed Thread Pair, used
|
||||
* KeInitializeEventPair, added SEH)
|
||||
* David Welch (welch@mcmail.com)
|
||||
* Skywing (skywing@valhallalegends.com)
|
||||
* PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
|
||||
* Thomas Weidenmueller
|
||||
*/
|
||||
|
||||
/* INCLUDES *****************************************************************/
|
||||
|
|
@ -24,39 +21,39 @@
|
|||
|
||||
POBJECT_TYPE ExEventPairObjectType = NULL;
|
||||
|
||||
static GENERIC_MAPPING ExEventPairMapping = {
|
||||
GENERIC_MAPPING ExEventPairMapping =
|
||||
{
|
||||
STANDARD_RIGHTS_READ,
|
||||
STANDARD_RIGHTS_WRITE,
|
||||
STANDARD_RIGHTS_EXECUTE | SYNCHRONIZE,
|
||||
EVENT_PAIR_ALL_ACCESS};
|
||||
|
||||
EVENT_PAIR_ALL_ACCESS
|
||||
};
|
||||
|
||||
/* FUNCTIONS *****************************************************************/
|
||||
|
||||
VOID
|
||||
INIT_FUNCTION
|
||||
STDCALL
|
||||
NTAPI
|
||||
ExpInitializeEventPairImplementation(VOID)
|
||||
{
|
||||
OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
|
||||
UNICODE_STRING Name;
|
||||
OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
|
||||
UNICODE_STRING Name;
|
||||
DPRINT("Creating Event Pair Object Type\n");
|
||||
|
||||
DPRINT("Creating Event Pair Object Type\n");
|
||||
|
||||
/* Create the Event Pair Object Type */
|
||||
RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
|
||||
RtlInitUnicodeString(&Name, L"EventPair");
|
||||
ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
|
||||
ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(KEVENT_PAIR);
|
||||
ObjectTypeInitializer.GenericMapping = ExEventPairMapping;
|
||||
ObjectTypeInitializer.PoolType = NonPagedPool;
|
||||
ObjectTypeInitializer.ValidAccessMask = EVENT_PAIR_ALL_ACCESS;
|
||||
ObjectTypeInitializer.UseDefaultObject = TRUE;
|
||||
ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ExEventPairObjectType);
|
||||
/* Create the Event Pair Object Type */
|
||||
RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
|
||||
RtlInitUnicodeString(&Name, L"EventPair");
|
||||
ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
|
||||
ObjectTypeInitializer.DefaultNonPagedPoolCharge = sizeof(KEVENT_PAIR);
|
||||
ObjectTypeInitializer.GenericMapping = ExEventPairMapping;
|
||||
ObjectTypeInitializer.PoolType = NonPagedPool;
|
||||
ObjectTypeInitializer.ValidAccessMask = EVENT_PAIR_ALL_ACCESS;
|
||||
ObjectTypeInitializer.UseDefaultObject = TRUE;
|
||||
ObpCreateTypeObject(&ObjectTypeInitializer, &Name, &ExEventPairObjectType);
|
||||
}
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtCreateEventPair(OUT PHANDLE EventPairHandle,
|
||||
IN ACCESS_MASK DesiredAccess,
|
||||
IN POBJECT_ATTRIBUTES ObjectAttributes)
|
||||
|
|
@ -65,22 +62,25 @@ NtCreateEventPair(OUT PHANDLE EventPairHandle,
|
|||
HANDLE hEventPair;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status = STATUS_SUCCESS;
|
||||
|
||||
PAGED_CODE();
|
||||
DPRINT("NtCreateEventPair: 0x%p\n", EventPairHandle);
|
||||
|
||||
/* Check Output Safety */
|
||||
if(PreviousMode != KernelMode) {
|
||||
|
||||
_SEH_TRY {
|
||||
|
||||
/* Check if we were called from user-mode */
|
||||
if(PreviousMode != KernelMode)
|
||||
{
|
||||
/* Enter SEH Block */
|
||||
_SEH_TRY
|
||||
{
|
||||
/* Check handle pointer */
|
||||
ProbeForWriteHandle(EventPairHandle);
|
||||
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
|
||||
|
||||
}
|
||||
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
} _SEH_END;
|
||||
|
||||
/* Bail out if pointer was invalid */
|
||||
if(!NT_SUCCESS(Status)) return Status;
|
||||
}
|
||||
|
||||
|
|
@ -97,8 +97,8 @@ NtCreateEventPair(OUT PHANDLE EventPairHandle,
|
|||
(PVOID*)&EventPair);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Initalize the Event */
|
||||
DPRINT("Initializing EventPair\n");
|
||||
KeInitializeEventPair(EventPair);
|
||||
|
|
@ -113,17 +113,17 @@ NtCreateEventPair(OUT PHANDLE EventPairHandle,
|
|||
ObDereferenceObject(EventPair);
|
||||
|
||||
/* Check for success and return handle */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
_SEH_TRY {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
_SEH_TRY
|
||||
{
|
||||
*EventPairHandle = hEventPair;
|
||||
|
||||
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
|
||||
|
||||
}
|
||||
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
|
||||
} _SEH_END;
|
||||
}
|
||||
_SEH_END;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -132,7 +132,7 @@ NtCreateEventPair(OUT PHANDLE EventPairHandle,
|
|||
}
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtOpenEventPair(OUT PHANDLE EventPairHandle,
|
||||
IN ACCESS_MASK DesiredAccess,
|
||||
IN POBJECT_ATTRIBUTES ObjectAttributes)
|
||||
|
|
@ -140,21 +140,24 @@ NtOpenEventPair(OUT PHANDLE EventPairHandle,
|
|||
HANDLE hEventPair;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status = STATUS_SUCCESS;
|
||||
|
||||
PAGED_CODE();
|
||||
|
||||
/* Check Output Safety */
|
||||
if(PreviousMode != KernelMode) {
|
||||
|
||||
_SEH_TRY {
|
||||
|
||||
/* Check if we were called from user-mode */
|
||||
if(PreviousMode != KernelMode)
|
||||
{
|
||||
/* Enter SEH Block */
|
||||
_SEH_TRY
|
||||
{
|
||||
/* Check handle pointer */
|
||||
ProbeForWriteHandle(EventPairHandle);
|
||||
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
|
||||
|
||||
}
|
||||
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
}
|
||||
_SEH_END;
|
||||
|
||||
} _SEH_END;
|
||||
|
||||
/* Bail out if pointer was invalid */
|
||||
if(!NT_SUCCESS(Status)) return Status;
|
||||
}
|
||||
|
||||
|
|
@ -168,32 +171,30 @@ NtOpenEventPair(OUT PHANDLE EventPairHandle,
|
|||
&hEventPair);
|
||||
|
||||
/* Check for success and return handle */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
_SEH_TRY {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
_SEH_TRY
|
||||
{
|
||||
*EventPairHandle = hEventPair;
|
||||
|
||||
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
|
||||
|
||||
}
|
||||
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
|
||||
{
|
||||
Status = _SEH_GetExceptionCode();
|
||||
|
||||
} _SEH_END;
|
||||
}
|
||||
_SEH_END;
|
||||
}
|
||||
|
||||
/* Return status */
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtSetHighEventPair(IN HANDLE EventPairHandle)
|
||||
{
|
||||
PKEVENT_PAIR EventPair;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status;
|
||||
|
||||
PAGED_CODE();
|
||||
DPRINT("NtSetHighEventPair(EventPairHandle 0x%p)\n", EventPairHandle);
|
||||
|
||||
|
|
@ -206,8 +207,8 @@ NtSetHighEventPair(IN HANDLE EventPairHandle)
|
|||
NULL);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Set the Event */
|
||||
KeSetEvent(&EventPair->HighEvent, EVENT_INCREMENT, FALSE);
|
||||
|
||||
|
|
@ -220,15 +221,14 @@ NtSetHighEventPair(IN HANDLE EventPairHandle)
|
|||
}
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtSetHighWaitLowEventPair(IN HANDLE EventPairHandle)
|
||||
{
|
||||
PKEVENT_PAIR EventPair;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status;
|
||||
|
||||
PAGED_CODE();
|
||||
DPRINT("NtSetHighWaitLowEventPair(EventPairHandle 0x%p)\n", EventPairHandle);
|
||||
DPRINT("NtSetHighWaitLowEventPair(Handle 0x%p)\n", EventPairHandle);
|
||||
|
||||
/* Open the Object */
|
||||
Status = ObReferenceObjectByHandle(EventPairHandle,
|
||||
|
|
@ -239,8 +239,8 @@ NtSetHighWaitLowEventPair(IN HANDLE EventPairHandle)
|
|||
NULL);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Set the Event */
|
||||
KeSetEvent(&EventPair->HighEvent, EVENT_INCREMENT, FALSE);
|
||||
|
||||
|
|
@ -260,17 +260,13 @@ NtSetHighWaitLowEventPair(IN HANDLE EventPairHandle)
|
|||
}
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtSetLowEventPair(IN HANDLE EventPairHandle)
|
||||
{
|
||||
PKEVENT_PAIR EventPair;
|
||||
KPROCESSOR_MODE PreviousMode;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status;
|
||||
|
||||
PAGED_CODE();
|
||||
|
||||
PreviousMode = ExGetPreviousMode();
|
||||
|
||||
DPRINT1("NtSetHighEventPair(EventPairHandle 0x%p)\n", EventPairHandle);
|
||||
|
||||
/* Open the Object */
|
||||
|
|
@ -282,8 +278,8 @@ NtSetLowEventPair(IN HANDLE EventPairHandle)
|
|||
NULL);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Set the Event */
|
||||
KeSetEvent(&EventPair->LowEvent, EVENT_INCREMENT, FALSE);
|
||||
|
||||
|
|
@ -295,16 +291,15 @@ NtSetLowEventPair(IN HANDLE EventPairHandle)
|
|||
return Status;
|
||||
}
|
||||
|
||||
|
||||
NTSTATUS STDCALL
|
||||
NTSTATUS
|
||||
NTAPI
|
||||
NtSetLowWaitHighEventPair(IN HANDLE EventPairHandle)
|
||||
{
|
||||
PKEVENT_PAIR EventPair;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status;
|
||||
|
||||
PAGED_CODE();
|
||||
DPRINT("NtSetHighWaitLowEventPair(EventPairHandle 0x%p)\n", EventPairHandle);
|
||||
DPRINT("NtSetHighWaitLowEventPair(Handle 0x%p)\n", EventPairHandle);
|
||||
|
||||
/* Open the Object */
|
||||
Status = ObReferenceObjectByHandle(EventPairHandle,
|
||||
|
|
@ -315,8 +310,8 @@ NtSetLowWaitHighEventPair(IN HANDLE EventPairHandle)
|
|||
NULL);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Set the Event */
|
||||
KeSetEvent(&EventPair->LowEvent, EVENT_INCREMENT, FALSE);
|
||||
|
||||
|
|
@ -337,15 +332,14 @@ NtSetLowWaitHighEventPair(IN HANDLE EventPairHandle)
|
|||
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtWaitLowEventPair(IN HANDLE EventPairHandle)
|
||||
{
|
||||
PKEVENT_PAIR EventPair;
|
||||
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
|
||||
NTSTATUS Status;
|
||||
|
||||
PAGED_CODE();
|
||||
DPRINT("NtSetHighWaitLowEventPair(EventPairHandle 0x%p)\n", EventPairHandle);
|
||||
DPRINT("NtSetHighWaitLowEventPair(Handle 0x%p)\n", EventPairHandle);
|
||||
|
||||
/* Open the Object */
|
||||
Status = ObReferenceObjectByHandle(EventPairHandle,
|
||||
|
|
@ -356,8 +350,8 @@ NtWaitLowEventPair(IN HANDLE EventPairHandle)
|
|||
NULL);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Wait for the Event */
|
||||
KeWaitForSingleObject(&EventPair->LowEvent,
|
||||
WrEventPair,
|
||||
|
|
@ -374,7 +368,7 @@ NtWaitLowEventPair(IN HANDLE EventPairHandle)
|
|||
}
|
||||
|
||||
NTSTATUS
|
||||
STDCALL
|
||||
NTAPI
|
||||
NtWaitHighEventPair(IN HANDLE EventPairHandle)
|
||||
{
|
||||
PKEVENT_PAIR EventPair;
|
||||
|
|
@ -382,7 +376,7 @@ NtWaitHighEventPair(IN HANDLE EventPairHandle)
|
|||
NTSTATUS Status;
|
||||
|
||||
PAGED_CODE();
|
||||
DPRINT("NtSetHighWaitLowEventPair(EventPairHandle 0x%p)\n", EventPairHandle);
|
||||
DPRINT("NtSetHighWaitLowEventPair(Handle 0x%p)\n", EventPairHandle);
|
||||
|
||||
/* Open the Object */
|
||||
Status = ObReferenceObjectByHandle(EventPairHandle,
|
||||
|
|
@ -393,8 +387,8 @@ NtWaitHighEventPair(IN HANDLE EventPairHandle)
|
|||
NULL);
|
||||
|
||||
/* Check for Success */
|
||||
if(NT_SUCCESS(Status)) {
|
||||
|
||||
if(NT_SUCCESS(Status))
|
||||
{
|
||||
/* Wait for the Event */
|
||||
KeWaitForSingleObject(&EventPair->HighEvent,
|
||||
WrEventPair,
|
||||
|
|
|
|||
Loading…
Reference in a new issue