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implemented NtIsProcessInJob()

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svn path=/trunk/; revision=11018
This commit is contained in:
Thomas Bluemel 2004-09-23 21:23:34 +00:00
parent bf3b5cc677
commit b50f152bc1
2 changed files with 66 additions and 5 deletions
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2
reactos/include/ddk/status.h
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@ -54,6 +54,8 @@ Note that !NT_SUCCESS(errCode) is NOT the same as NT_ERROR(errCode)
#define STATUS_NOTIFY_ENUM_DIR ((NTSTATUS)0x0000010C)
#define STATUS_NO_QUOTAS_NO_ACCOUNT ((NTSTATUS)0x0000010D)
#define STATUS_PRIMARY_TRANSPORT_CONNECT_FAILED ((NTSTATUS)0x0000010E)
#define STATUS_PROCESS_NOT_IN_JOB ((NTSTATUS)0x00000123)
#define STATUS_PROCESS_IN_JOB ((NTSTATUS)0x00000124)
#define STATUS_OBJECT_EXISTS ((NTSTATUS)0x40000000)
#define STATUS_THREAD_WAS_SUSPENDED ((NTSTATUS)0x40000001)

69
reactos/ntoskrnl/ps/job.c
View file

@ -99,15 +99,74 @@ NtCreateJobObject(PHANDLE JobHandle,
/*
* @unimplemented
* @implemented
*/
NTSTATUS
STDCALL
NtIsProcessInJob(IN HANDLE ProcessHandle, // ProcessHandle must PROCESS_QUERY_INFORMATION grant access.
IN HANDLE JobHandle OPTIONAL) // JobHandle must grant JOB_OBJECT_QUERY access. Defaults to the current process's job object.
NtIsProcessInJob(IN HANDLE ProcessHandle,
IN HANDLE JobHandle OPTIONAL)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
KPROCESSOR_MODE PreviousMode;
PEPROCESS Process;
NTSTATUS Status;
PreviousMode = ExGetPreviousMode();
Status = ObReferenceObjectByHandle(ProcessHandle,
PROCESS_QUERY_INFORMATION,
PsProcessType,
PreviousMode,
(PVOID*)&Process,
NULL);
if(NT_SUCCESS(Status))
{
/* FIXME - make sure the job object doesn't get exchanged or deleted while trying to
reference it, e.g. by locking it somehow... */
PEJOB ProcessJob = Process->Job;
/* 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)
{
/* simply test whether the process is assigned to a job */
Status = ((Process->Job != NULL) ? STATUS_PROCESS_IN_JOB : STATUS_PROCESS_NOT_IN_JOB);
}
else if(ProcessJob != 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);
}
}
else
{
/* the process is not assigned to any job */
Status = STATUS_PROCESS_NOT_IN_JOB;
}
ObDereferenceObject(ProcessJob);
}
ObDereferenceObject(Process);
}
return Status;
}