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ReactOS Development > Doxygen

NTSYSCALLAPI NTSTATUS NTAPI NtTerminateProcess ( IN HANDLE  ProcessHandle,
IN NTSTATUS  ExitStatus 
)

Definition at line 1110 of file kill.c.

Referenced by _main(), ClientConnectionThread(), CreateProcessInternalW(), CsrApiRequestThread(), CsrUnhandledExceptionFilter(), ExitProcess(), NtProcessStartup(), RunUSetup(), SmpExecuteImage(), SmpExecuteInitialCommand(), SmpLoadSubSystem(), SmpTerminate(), and TerminateProcess().

{
    NTSTATUS Status;
    PEPROCESS Process, CurrentProcess = PsGetCurrentProcess();
    PETHREAD Thread, CurrentThread = PsGetCurrentThread();
    BOOLEAN KillByHandle;
    PAGED_CODE();
    PSTRACE(PS_KILL_DEBUG,
            "ProcessHandle: %p ExitStatus: %p\n", ProcessHandle, ExitStatus);

    /* Were we passed a process handle? */
    if (ProcessHandle)
    {
        /* Yes we were, use it */
        KillByHandle = TRUE;
    }
    else
    {
        /* We weren't... we assume this is suicide */
        KillByHandle = FALSE;
        ProcessHandle = NtCurrentProcess();
    }

    /* Get the Process Object */
    Status = ObReferenceObjectByHandle(ProcessHandle,
                                       PROCESS_TERMINATE,
                                       PsProcessType,
                                       KeGetPreviousMode(),
                                       (PVOID*)&Process,
                                       NULL);
    if (!NT_SUCCESS(Status)) return(Status);

    /* Check if this is a Critical Process, and Bugcheck */
    if (Process->BreakOnTermination)
    {
        /* Break to debugger */
        PspCatchCriticalBreak("Terminating critical process 0x%p (%s)\n",
                              Process,
                              Process->ImageFileName);
    }

    /* Lock the Process */
    if (!ExAcquireRundownProtection(&Process->RundownProtect))
    {
        /* Failed to lock, fail */
        ObDereferenceObject (Process);
        return STATUS_PROCESS_IS_TERMINATING;
    }

    /* Set the delete flag, unless the process is comitting suicide */
    if (KillByHandle) PspSetProcessFlag(Process, PSF_PROCESS_DELETE_BIT);

    /* Get the first thread */
    Status = STATUS_NOTHING_TO_TERMINATE;
    Thread = PsGetNextProcessThread(Process, NULL);
    if (Thread)
    {
        /* We know we have at least a thread */
        Status = STATUS_SUCCESS;

        /* Loop and kill the others */
        do
        {
            /* Ensure it's not ours*/
            if (Thread != CurrentThread)
            {
                /* Kill it */
                PspTerminateThreadByPointer(Thread, ExitStatus, FALSE);
            }

            /* Move to the next thread */
            Thread = PsGetNextProcessThread(Process, Thread);
        } while (Thread);
    }

    /* Unlock the process */
    ExReleaseRundownProtection(&Process->RundownProtect);

    /* Check if we are killing ourselves */
    if (Process == CurrentProcess)
    {
        /* Also make sure the caller gave us our handle */
        if (KillByHandle)
        {
            /* Dereference the process */
            ObDereferenceObject(Process);

            /* Terminate ourselves */
            PspTerminateThreadByPointer(CurrentThread, ExitStatus, TRUE);
        }
    }
    else if (ExitStatus == DBG_TERMINATE_PROCESS)
    {
        /* Disable debugging on this process */
        DbgkClearProcessDebugObject(Process, NULL);
    }

    /* Check if there was nothing to terminate, or if we have a Debug Port */
    if ((Status == STATUS_NOTHING_TO_TERMINATE) ||
        ((Process->DebugPort) && (KillByHandle)))
    {
        /* Clear the handle table */
        ObClearProcessHandleTable(Process);

        /* Return status now */
        Status = STATUS_SUCCESS;
    }

    /* Decrease the reference count we added */
    ObDereferenceObject(Process);

    /* Return status */
    return Status;
}

Generated on Sat May 26 2012 05:36:30 for ReactOS by doxygen 1.7.6.1

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