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[NTOSKRNL]

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Add some _SEH2_VOLATILE and a comment about memory barriers

svn path=/trunk/; revision=66525
This commit is contained in:
Timo Kreuzer 2015-03-01 16:33:43 +00:00
parent b95eb87486
commit 400b4d9289
2 changed files with 17 additions and 16 deletions
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28
reactos/ntoskrnl/fsrtl/notify.c
View file

@ -85,7 +85,7 @@ FsRtlCancelNotify(IN PDEVICE_OBJECT DeviceObject,
PIO_STACK_LOCATION Stack;
PNOTIFY_CHANGE NotifyChange;
PREAL_NOTIFY_SYNC RealNotifySync;
PSECURITY_SUBJECT_CONTEXT SubjectContext = NULL;
PSECURITY_SUBJECT_CONTEXT _SEH2_VOLATILE SubjectContext = NULL;
/* Get the NOTIFY_CHANGE struct and reset it */
NotifyChange = (PNOTIFY_CHANGE)Irp->IoStatus.Information;
@ -559,7 +559,7 @@ FsRtlNotifyUpdateBuffer(OUT PFILE_NOTIFY_INFORMATION OutputBuffer,
* @implemented
*
* Lets FSD know if changes occures in the specified directory.
* Directory will be reenumerated.
* Directory will be reenumerated.
*
* @param NotifySync
* Synchronization object pointer
@ -568,7 +568,7 @@ FsRtlNotifyUpdateBuffer(OUT PFILE_NOTIFY_INFORMATION OutputBuffer,
* Used to identify the notify structure
*
* @param FullDirectoryName
* String (A or W) containing the full directory name
* String (A or W) containing the full directory name
*
* @param NotifyList
* Notify list pointer (to head)
@ -620,7 +620,7 @@ FsRtlNotifyChangeDirectory(IN PNOTIFY_SYNC NotifySync,
* Synchronization object pointer
*
* @param NotifyList
* Notify list pointer (to head)
* Notify list pointer (to head)
*
* @param FsContext
* Used to identify the notify structure
@ -638,7 +638,7 @@ FsRtlNotifyCleanup(IN PNOTIFY_SYNC NotifySync,
{
PNOTIFY_CHANGE NotifyChange;
PREAL_NOTIFY_SYNC RealNotifySync;
PSECURITY_SUBJECT_CONTEXT SubjectContext = NULL;
PSECURITY_SUBJECT_CONTEXT _SEH2_VOLATILE SubjectContext = NULL;
/* Get real structure hidden behind the opaque pointer */
RealNotifySync = (PREAL_NOTIFY_SYNC)NotifySync;
@ -1337,7 +1337,7 @@ FsRtlNotifyFilterReportChange(IN PNOTIFY_SYNC NotifySync,
{
if (PoolQuotaCharged)
{
PsReturnProcessPagedPoolQuota(NotifyChange->OwningProcess, NumberOfBytes);
PsReturnProcessPagedPoolQuota(NotifyChange->OwningProcess, NumberOfBytes);
}
NotifyChange->Flags |= NOTIFY_IMMEDIATELY;
}
@ -1413,19 +1413,19 @@ FsRtlNotifyFilterReportChange(IN PNOTIFY_SYNC NotifySync,
* @name FsRtlNotifyFullChangeDirectory
* @implemented
*
* Lets FSD know if changes occures in the specified directory.
* Lets FSD know if changes occures in the specified directory.
*
* @param NotifySync
* Synchronization object pointer
*
* @param NotifyList
* Notify list pointer (to head)
* Notify list pointer (to head)
*
* @param FsContext
* Used to identify the notify structure
*
* @param FullDirectoryName
* String (A or W) containing the full directory name
* String (A or W) containing the full directory name
*
* @param WatchTree
* True to notify changes in subdirectories too
@ -1489,13 +1489,13 @@ FsRtlNotifyFullChangeDirectory(IN PNOTIFY_SYNC NotifySync,
* Synchronization object pointer
*
* @param NotifyList
* Notify list pointer (to head)
* Notify list pointer (to head)
*
* @param FullTargetName
* String (A or W) containing the full directory name that changed
*
* @param TargetNameOffset
* Offset, in FullTargetName, of the final component that is in the changed directory
* Offset, in FullTargetName, of the final component that is in the changed directory
*
* @param StreamName
* String (A or W) containing a stream name
@ -1563,7 +1563,7 @@ FsRtlNotifyInitializeSync(IN PNOTIFY_SYNC *NotifySync)
PREAL_NOTIFY_SYNC RealNotifySync;
*NotifySync = NULL;
RealNotifySync = ExAllocatePoolWithTag(NonPagedPool | POOL_RAISE_IF_ALLOCATION_FAILURE,
sizeof(REAL_NOTIFY_SYNC), 'FSNS');
ExInitializeFastMutex(&(RealNotifySync->FastMutex));
@ -1583,7 +1583,7 @@ FsRtlNotifyInitializeSync(IN PNOTIFY_SYNC *NotifySync)
* Synchronization object pointer
*
* @param NotifyList
* Notify list pointer (to head)
* Notify list pointer (to head)
*
* @param FullTargetName
* String (A or W) containing the full directory name that changed
@ -1616,7 +1616,7 @@ FsRtlNotifyReportChange(IN PNOTIFY_SYNC NotifySync,
FilterMatch,
0,
NULL,
NULL);
NULL);
}
/*++

5
reactos/ntoskrnl/ob/oblife.c
View file

@ -370,7 +370,7 @@ ObpCaptureObjectName(IN OUT PUNICODE_STRING CapturedName,
{
NTSTATUS Status = STATUS_SUCCESS;
ULONG StringLength;
PWCHAR StringBuffer = NULL;
PWCHAR _SEH2_VOLATILE StringBuffer = NULL;
UNICODE_STRING LocalName;
PAGED_CODE();
@ -491,7 +491,8 @@ ObpCaptureObjectCreateInformation(IN POBJECT_ATTRIBUTES ObjectAttributes,
/* Check if we have a security descriptor */
if (SecurityDescriptor)
{
/* Capture it */
/* Capture it. Note: This has an implicit memory barrier due
to the function call, so cleanup is safe here.) */
Status = SeCaptureSecurityDescriptor(SecurityDescriptor,
AccessMode,
NonPagedPool,