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no need to reference the job object pointer in NtIsProcessInJob()

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svn path=/trunk/; revision=11543
This commit is contained in:
Thomas Bluemel 2004-11-05 13:30:18 +00:00
parent 8ee82ee7cc
commit 8655dad649
1 changed files with 18 additions and 29 deletions
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47
reactos/ntoskrnl/ps/job.c
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@ -127,38 +127,27 @@ NtIsProcessInJob(IN HANDLE ProcessHandle,
if(ProcessJob != NULL)
{
/* reference the object without caring about access rights as it does not necessarily
have to be accessible from the calling process */
Status = ObReferenceObjectByPointer(ProcessJob,
0,
PsJobType,
KernelMode);
if(NT_SUCCESS(Status))
if(JobHandle == NULL)
{
if(JobHandle == NULL)
{
/* simply test whether the process is assigned to a job */
Status = ((ProcessJob != NULL) ? STATUS_PROCESS_IN_JOB : STATUS_PROCESS_NOT_IN_JOB);
}
else /* JobHandle != NULL */
{
PEJOB JobObject;
/* the process is assigned to a job */
Status = STATUS_PROCESS_IN_JOB;
}
else /* JobHandle != NULL */
{
PEJOB JobObject;
/* get the job object and compare the object pointer with the one assigned to the process */
Status = ObReferenceObjectByHandle(JobHandle,
JOB_OBJECT_QUERY,
PsJobType,
PreviousMode,
(PVOID*)&JobObject,
NULL);
if(NT_SUCCESS(Status))
{
Status = ((ProcessJob == JobObject) ? STATUS_PROCESS_IN_JOB : STATUS_PROCESS_NOT_IN_JOB);
ObDereferenceObject(JobObject);
}
/* get the job object and compare the object pointer with the one assigned to the process */
Status = ObReferenceObjectByHandle(JobHandle,
JOB_OBJECT_QUERY,
PsJobType,
PreviousMode,
(PVOID*)&JobObject,
NULL);
if(NT_SUCCESS(Status))
{
Status = ((ProcessJob == JobObject) ? STATUS_PROCESS_IN_JOB : STATUS_PROCESS_NOT_IN_JOB);
ObDereferenceObject(JobObject);
}
ObDereferenceObject(ProcessJob);
}
}
else