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- Fix some small formatting issues.

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svn path=/trunk/; revision=20432
This commit is contained in:
Alex Ionescu 2005-12-29 18:47:14 +00:00
parent c3366b8062
commit 0b7ed59da0
3 changed files with 186 additions and 152 deletions
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10
reactos/ntoskrnl/ex/event.c
View file

@ -153,11 +153,13 @@ NtCreateEvent(OUT PHANDLE EventHandle,
&hEvent);
ObDereferenceObject(Event);
/* Check for success and return handle */
/* Check for success */
if(NT_SUCCESS(Status))
{
/* Enter SEH for return */
_SEH_TRY
{
/* Return the handle to the caller */
*EventHandle = hEvent;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
@ -320,14 +322,16 @@ NtQueryEvent(IN HANDLE EventHandle,
PKEVENT Event;
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status = STATUS_SUCCESS;
PEVENT_BASIC_INFORMATION BasicInfo = (PEVENT_BASIC_INFORMATION)EventInformation;
PEVENT_BASIC_INFORMATION BasicInfo =
(PEVENT_BASIC_INFORMATION)EventInformation;
PAGED_CODE();
DPRINT("NtQueryEvent(0x%p, 0x%x)\n", EventHandle, EventInformationClass);
/* Check buffers and class validity */
Status = DefaultQueryInfoBufferCheck(EventInformationClass,
ExEventInfoClass,
sizeof(ExEventInfoClass) / sizeof(ExEventInfoClass[0]),
sizeof(ExEventInfoClass) /
sizeof(ExEventInfoClass[0]),
EventInformation,
EventInformationLength,
ReturnLength,

241
reactos/ntoskrnl/ex/mutant.c
View file

@ -1,12 +1,10 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PROJECT: ReactOS Kernel
* FILE: ntoskrnl/ex/mutant.c
* PURPOSE: Executive Management of Mutants
*
* PROGRAMMERS: Alex Ionescu - Fix tab/space mismatching, tiny fixes to query function and
* add more debug output.
* David Welch (welch@cwcom.net)
* PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
* Thomas Weidenmueller
*/
/* INCLUDES *****************************************************************/
@ -19,31 +17,30 @@
#pragma alloc_text(INIT, ExpInitializeMutantImplementation)
#endif
#ifndef MUTANT_INCREMENT
#define MUTANT_INCREMENT 1
#endif
/* DATA **********************************************************************/
POBJECT_TYPE ExMutantObjectType = NULL;
static GENERIC_MAPPING ExpMutantMapping = {
GENERIC_MAPPING ExpMutantMapping =
{
STANDARD_RIGHTS_READ | SYNCHRONIZE | MUTANT_QUERY_STATE,
STANDARD_RIGHTS_WRITE | SYNCHRONIZE,
STANDARD_RIGHTS_EXECUTE | SYNCHRONIZE | MUTANT_QUERY_STATE,
MUTANT_ALL_ACCESS};
static const INFORMATION_CLASS_INFO ExMutantInfoClass[] = {
MUTANT_ALL_ACCESS
};
static const INFORMATION_CLASS_INFO ExMutantInfoClass[] =
{
/* MutantBasicInformation */
ICI_SQ_SAME( sizeof(MUTANT_BASIC_INFORMATION), sizeof(ULONG), ICIF_QUERY ),
ICI_SQ_SAME( sizeof(MUTANT_BASIC_INFORMATION), sizeof(ULONG), ICIF_QUERY),
};
/* FUNCTIONS *****************************************************************/
VOID
STDCALL
NTAPI
ExpDeleteMutant(PVOID ObjectBody)
{
DPRINT("ExpDeleteMutant(ObjectBody 0x%p)\n", ObjectBody);
/* Make sure to release the Mutant */
@ -55,14 +52,13 @@ ExpDeleteMutant(PVOID ObjectBody)
VOID
INIT_FUNCTION
STDCALL
NTAPI
ExpInitializeMutantImplementation(VOID)
{
OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
UNICODE_STRING Name;
DPRINT("Creating Mutant Object Type\n");
/* Create the Event Pair Object Type */
RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
RtlInitUnicodeString(&Name, L"Mutant");
@ -79,7 +75,7 @@ ExpInitializeMutantImplementation(VOID)
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtCreateMutant(OUT PHANDLE MutantHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
@ -89,22 +85,26 @@ NtCreateMutant(OUT PHANDLE MutantHandle,
HANDLE hMutant;
PKMUTANT Mutant;
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
DPRINT("NtCreateMutant(0x%p, 0x%x, 0x%p)\n", MutantHandle, DesiredAccess, ObjectAttributes);
/* Check Output Safety */
if(PreviousMode != KernelMode) {
_SEH_TRY {
DPRINT("NtCreateMutant(0x%p, 0x%x, 0x%p)\n",
MutantHandle, DesiredAccess, ObjectAttributes);
/* Check if we were called from user-mode */
if(PreviousMode != KernelMode)
{
/* Enter SEH Block */
_SEH_TRY
{
/* Check handle pointer */
ProbeForWriteHandle(MutantHandle);
} _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;
}
@ -120,8 +120,8 @@ NtCreateMutant(OUT PHANDLE MutantHandle,
(PVOID*)&Mutant);
/* Check for success */
if(NT_SUCCESS(Status)) {
if(NT_SUCCESS(Status))
{
/* Initalize the Kernel Mutant */
DPRINT("Initializing the Mutant\n");
KeInitializeMutant(Mutant, InitialOwner);
@ -135,18 +135,20 @@ NtCreateMutant(OUT PHANDLE MutantHandle,
&hMutant);
ObDereferenceObject(Mutant);
/* Check for success and return handle */
if(NT_SUCCESS(Status)) {
_SEH_TRY {
/* Check for success */
if(NT_SUCCESS(Status))
{
/* Enter SEH for return */
_SEH_TRY
{
/* Return the handle to the caller */
*MutantHandle = hMutant;
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
} _SEH_END;
}
_SEH_END;
}
}
@ -158,7 +160,7 @@ NtCreateMutant(OUT PHANDLE MutantHandle,
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtOpenMutant(OUT PHANDLE MutantHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes)
@ -166,22 +168,26 @@ NtOpenMutant(OUT PHANDLE MutantHandle,
HANDLE hMutant;
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
DPRINT("NtOpenMutant(0x%p, 0x%x, 0x%p)\n", MutantHandle, DesiredAccess, ObjectAttributes);
/* Check Output Safety */
if(PreviousMode != KernelMode) {
_SEH_TRY {
DPRINT("NtOpenMutant(0x%p, 0x%x, 0x%p)\n",
MutantHandle, DesiredAccess, ObjectAttributes);
/* Check if we were called from user-mode */
if(PreviousMode != KernelMode)
{
/* Enter SEH Block */
_SEH_TRY
{
/* Check handle pointer */
ProbeForWriteHandle(MutantHandle);
} _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;
}
@ -194,18 +200,20 @@ NtOpenMutant(OUT PHANDLE MutantHandle,
NULL,
&hMutant);
/* Check for success and return handle */
if(NT_SUCCESS(Status)) {
_SEH_TRY {
/* Check for success */
if(NT_SUCCESS(Status))
{
/* Enter SEH for return */
_SEH_TRY
{
/* Return the handle to the caller */
*MutantHandle = hMutant;
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
} _SEH_END;
}
_SEH_END;
}
/* Return Status */
@ -216,7 +224,7 @@ NtOpenMutant(OUT PHANDLE MutantHandle,
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtQueryMutant(IN HANDLE MutantHandle,
IN MUTANT_INFORMATION_CLASS MutantInformationClass,
OUT PVOID MutantInformation,
@ -226,20 +234,21 @@ NtQueryMutant(IN HANDLE MutantHandle,
PKMUTANT Mutant;
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status = STATUS_SUCCESS;
PMUTANT_BASIC_INFORMATION BasicInfo = (PMUTANT_BASIC_INFORMATION)MutantInformation;
PMUTANT_BASIC_INFORMATION BasicInfo =
(PMUTANT_BASIC_INFORMATION)MutantInformation;
PAGED_CODE();
/* Check buffers and parameters */
Status = DefaultQueryInfoBufferCheck(MutantInformationClass,
ExMutantInfoClass,
sizeof(ExMutantInfoClass) / sizeof(ExMutantInfoClass[0]),
sizeof(ExMutantInfoClass) /
sizeof(ExMutantInfoClass[0]),
MutantInformation,
MutantInformationLength,
ResultLength,
PreviousMode);
if(!NT_SUCCESS(Status)) {
if(!NT_SUCCESS(Status))
{
DPRINT("NtQueryMutant() failed, Status: 0x%x\n", Status);
return Status;
}
@ -252,24 +261,26 @@ NtQueryMutant(IN HANDLE MutantHandle,
(PVOID*)&Mutant,
NULL);
/* Check for Status */
if(NT_SUCCESS(Status)) {
_SEH_TRY {
if(NT_SUCCESS(Status))
{
/* Enter SEH Block for return */
_SEH_TRY
{
/* Fill out the Basic Information Requested */
DPRINT("Returning Mutant Information\n");
BasicInfo->CurrentCount = KeReadStateMutant(Mutant);
BasicInfo->OwnedByCaller = (Mutant->OwnerThread == KeGetCurrentThread());
BasicInfo->OwnedByCaller = (Mutant->OwnerThread ==
KeGetCurrentThread());
BasicInfo->AbandonedState = Mutant->Abandoned;
/* Return the Result Length if requested */
if(ResultLength) *ResultLength = sizeof(MUTANT_BASIC_INFORMATION);
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
} _SEH_END;
}
_SEH_END;
/* Release the Object */
ObDereferenceObject(Mutant);
@ -279,39 +290,38 @@ NtQueryMutant(IN HANDLE MutantHandle,
return Status;
}
/*
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtReleaseMutant(IN HANDLE MutantHandle,
IN PLONG PreviousCount OPTIONAL)
IN PLONG PreviousCount OPTIONAL)
{
PKMUTANT Mutant;
KPROCESSOR_MODE PreviousMode;
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
PreviousMode = ExGetPreviousMode();
DPRINT("NtReleaseMutant(MutantHandle 0x%p PreviousCount 0x%p)\n",
MutantHandle,
PreviousCount);
/* Check Output Safety */
if(PreviousMode != KernelMode && PreviousCount) {
_SEH_TRY {
/* Check if we were called from user-mode */
if((PreviousCount) && (PreviousMode != KernelMode))
{
/* Entry SEH Block */
_SEH_TRY
{
/* Make sure the state pointer is valid */
ProbeForWriteLong(PreviousCount);
} _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;
}
@ -324,25 +334,30 @@ NtReleaseMutant(IN HANDLE MutantHandle,
NULL);
/* Check for Success and release if such */
if(NT_SUCCESS(Status)) {
/* release the mutant. doing so might raise an exception which we're
required to catch! */
_SEH_TRY {
LONG Prev = KeReleaseMutant(Mutant, MUTANT_INCREMENT, FALSE, FALSE);
if(PreviousCount) {
*PreviousCount = Prev;
}
} _SEH_EXCEPT(_SEH_ExSystemExceptionFilter) {
if(NT_SUCCESS(Status))
{
/*
* Release the mutant. doing so might raise an exception which we're
* required to catch!
*/
_SEH_TRY
{
/* Release the mutant */
LONG Prev = KeReleaseMutant(Mutant,
MUTANT_INCREMENT,
FALSE,
FALSE);
/* Return the previous count if requested */
if(PreviousCount) *PreviousCount = Prev;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
}
_SEH_END;
} _SEH_END;
/* Dereference it */
ObDereferenceObject(Mutant);
}

87
reactos/ntoskrnl/ex/sem.c
View file

@ -1,11 +1,10 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PROJECT: ReactOS Kernel
* FILE: ntoskrnl/ex/sem.c
* PURPOSE: Semaphore Implementation
*
* PROGRAMMERS: Alex Ionescu (alex@relsoft.net)
* David Welch (welch@mcmail.com)
* Thomas Weidenmueller
*/
/* INCLUDES *****************************************************************/
@ -22,7 +21,7 @@
POBJECT_TYPE ExSemaphoreObjectType;
static GENERIC_MAPPING ExSemaphoreMapping =
GENERIC_MAPPING ExSemaphoreMapping =
{
STANDARD_RIGHTS_READ | SEMAPHORE_QUERY_STATE,
STANDARD_RIGHTS_WRITE | SEMAPHORE_MODIFY_STATE,
@ -33,19 +32,20 @@ static GENERIC_MAPPING ExSemaphoreMapping =
static const INFORMATION_CLASS_INFO ExSemaphoreInfoClass[] =
{
/* SemaphoreBasicInformation */
ICI_SQ_SAME( sizeof(SEMAPHORE_BASIC_INFORMATION), sizeof(ULONG), ICIF_QUERY ),
ICI_SQ_SAME( sizeof(SEMAPHORE_BASIC_INFORMATION), sizeof(ULONG), ICIF_QUERY),
};
/* FUNCTIONS *****************************************************************/
VOID
INIT_FUNCTION
STDCALL
NTAPI
ExpInitializeSemaphoreImplementation(VOID)
{
OBJECT_TYPE_INITIALIZER ObjectTypeInitializer;
UNICODE_STRING Name;
DPRINT("Creating Semaphore Object Type\n");
/* Create the Event Pair Object Type */
RtlZeroMemory(&ObjectTypeInitializer, sizeof(ObjectTypeInitializer));
RtlInitUnicodeString(&Name, L"Semaphore");
@ -62,10 +62,10 @@ ExpInitializeSemaphoreImplementation(VOID)
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN POBJECT_ATTRIBUTES ObjectAttributes OPTIONAL,
IN LONG InitialCount,
IN LONG MaximumCount)
{
@ -75,11 +75,13 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
/* Check Output Safety */
/* Check if we were called from user-mode */
if(PreviousMode != KernelMode)
{
_SEH_TRY
/* Enter SEH Block */
_SEH_TRY
{
/* Check handle pointer */
ProbeForWriteHandle(SemaphoreHandle);
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
@ -88,11 +90,14 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
}
_SEH_END;
/* Bail out if pointer was invalid */
if(!NT_SUCCESS(Status)) return Status;
}
/* Make sure the counts make sense */
if (MaximumCount <= 0 || InitialCount < 0 || InitialCount > MaximumCount)
if ((MaximumCount <= 0) ||
(InitialCount < 0) ||
(InitialCount > MaximumCount))
{
DPRINT("Invalid Count Data!\n");
return STATUS_INVALID_PARAMETER;
@ -126,11 +131,13 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
&hSemaphore);
ObDereferenceObject(Semaphore);
/* Check for success and return handle */
/* Check for success */
if(NT_SUCCESS(Status))
{
/* Enter SEH Block for return */
_SEH_TRY
{
/* Return the handle */
*SemaphoreHandle = hSemaphore;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
@ -149,7 +156,7 @@ NtCreateSemaphore(OUT PHANDLE SemaphoreHandle,
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtOpenSemaphore(OUT PHANDLE SemaphoreHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes)
@ -159,11 +166,13 @@ NtOpenSemaphore(OUT PHANDLE SemaphoreHandle,
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
/* Check Output Safety */
/* Check if we were called from user-mode */
if(PreviousMode != KernelMode)
{
/* Enter SEH Block */
_SEH_TRY
{
/* Check handle pointer */
ProbeForWriteHandle(SemaphoreHandle);
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
@ -172,6 +181,7 @@ NtOpenSemaphore(OUT PHANDLE SemaphoreHandle,
}
_SEH_END;
/* Bail out if pointer was invalid */
if(!NT_SUCCESS(Status)) return Status;
}
@ -184,17 +194,20 @@ NtOpenSemaphore(OUT PHANDLE SemaphoreHandle,
NULL,
&hSemaphore);
/* Check for success and return handle */
/* Check for success */
if(NT_SUCCESS(Status))
{
/* Enter SEH Block for return */
_SEH_TRY
{
/* Return the handle */
*SemaphoreHandle = hSemaphore;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
} _SEH_END;
}
_SEH_END;
}
/* Return Status */
@ -205,7 +218,7 @@ NtOpenSemaphore(OUT PHANDLE SemaphoreHandle,
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtQuerySemaphore(IN HANDLE SemaphoreHandle,
IN SEMAPHORE_INFORMATION_CLASS SemaphoreInformationClass,
OUT PVOID SemaphoreInformation,
@ -215,13 +228,13 @@ NtQuerySemaphore(IN HANDLE SemaphoreHandle,
PKSEMAPHORE Semaphore;
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
/* Check buffers and class validity */
Status = DefaultQueryInfoBufferCheck(SemaphoreInformationClass,
ExSemaphoreInfoClass,
sizeof(ExSemaphoreInfoClass) / sizeof(ExSemaphoreInfoClass[0]),
sizeof(ExSemaphoreInfoClass) /
sizeof(ExSemaphoreInfoClass[0]),
SemaphoreInformation,
SemaphoreInformationLength,
ReturnLength,
@ -244,22 +257,24 @@ NtQuerySemaphore(IN HANDLE SemaphoreHandle,
/* Check for success */
if(NT_SUCCESS(Status))
{
/* Entry SEH Block */
_SEH_TRY
{
PSEMAPHORE_BASIC_INFORMATION BasicInfo = (PSEMAPHORE_BASIC_INFORMATION)SemaphoreInformation;
PSEMAPHORE_BASIC_INFORMATION BasicInfo =
(PSEMAPHORE_BASIC_INFORMATION)SemaphoreInformation;
/* Return the basic information */
BasicInfo->CurrentCount = KeReadStateSemaphore(Semaphore);
BasicInfo->MaximumCount = Semaphore->Limit;
/* Return length */
if(ReturnLength) *ReturnLength = sizeof(SEMAPHORE_BASIC_INFORMATION);
/* Return the length */
if(ReturnLength) *ReturnLength = sizeof(*BasicInfo);
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{
Status = _SEH_GetExceptionCode();
} _SEH_END;
}
_SEH_END;
/* Dereference the Object */
ObDereferenceObject(Semaphore);
@ -273,22 +288,23 @@ NtQuerySemaphore(IN HANDLE SemaphoreHandle,
* @implemented
*/
NTSTATUS
STDCALL
NTAPI
NtReleaseSemaphore(IN HANDLE SemaphoreHandle,
IN LONG ReleaseCount,
OUT PLONG PreviousCount OPTIONAL)
OUT PLONG PreviousCount OPTIONAL)
{
KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
PKSEMAPHORE Semaphore;
NTSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
/* Check buffer validity */
if(PreviousCount && PreviousMode != KernelMode)
/* Check if we were called from user-mode */
if((PreviousCount) && (PreviousMode != KernelMode))
{
/* Entry SEH Block */
_SEH_TRY
{
/* Make sure the state pointer is valid */
ProbeForWriteLong(PreviousCount);
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
@ -297,6 +313,7 @@ NtReleaseSemaphore(IN HANDLE SemaphoreHandle,
}
_SEH_END;
/* Bail out if pointer was invalid */
if(!NT_SUCCESS(Status)) return Status;
}
@ -318,9 +335,10 @@ NtReleaseSemaphore(IN HANDLE SemaphoreHandle,
/* Check for success */
if (NT_SUCCESS(Status))
{
/* Release the semaphore */
/* Enter SEH Block */
_SEH_TRY
{
/* Release the semaphore */
LONG PrevCount = KeReleaseSemaphore(Semaphore,
IO_NO_INCREMENT,
ReleaseCount,
@ -328,10 +346,7 @@ NtReleaseSemaphore(IN HANDLE SemaphoreHandle,
ObDereferenceObject(Semaphore);
/* Return the old count if requested */
if(PreviousCount)
{
*PreviousCount = PrevCount;
}
if(PreviousCount) *PreviousCount = PrevCount;
}
_SEH_EXCEPT(_SEH_ExSystemExceptionFilter)
{