NTSTATUS NTAPI NtCreateThread	(	OUT PHANDLE	ThreadHandle,
		IN ACCESS_MASK	DesiredAccess,
		IN POBJECT_ATTRIBUTES ObjectAttributes	OPTIONAL,
		IN HANDLE	ProcessHandle,
		OUT PCLIENT_ID	ClientId,
		IN PCONTEXT	ThreadContext,
		IN PINITIAL_TEB	InitialTeb,
		IN BOOLEAN	CreateSuspended
	)

Definition at line 853 of file thread.c.

Referenced by BasepCreateFirstThread(), and CreateRemoteThread().

{
    INITIAL_TEB SafeInitialTeb;
    PAGED_CODE();
    PSTRACE(PS_THREAD_DEBUG,
            "ProcessHandle: %p Context: %p\n", ProcessHandle, ThreadContext);

    /* Check if this was from user-mode */
    if (KeGetPreviousMode() != KernelMode)
    {
        /* Make sure that we got a context */
        if (!ThreadContext) return STATUS_INVALID_PARAMETER;

        /* Protect checks */
        _SEH2_TRY
        {
            /* Make sure the handle pointer we got is valid */
            ProbeForWriteHandle(ThreadHandle);

            /* Check if the caller wants a client id */
            if (ClientId)
            {
                /* Make sure we can write to it */
                ProbeForWrite(ClientId, sizeof(CLIENT_ID), sizeof(ULONG));
            }

            /* Make sure that the entire context is readable */
            ProbeForRead(ThreadContext, sizeof(CONTEXT), sizeof(ULONG));

            /* Check the Initial TEB */
            ProbeForRead(InitialTeb, sizeof(INITIAL_TEB), sizeof(ULONG));
            SafeInitialTeb = *InitialTeb;
        }
        _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
        {
            /* Return the exception code */
            _SEH2_YIELD(return _SEH2_GetExceptionCode());
        }
        _SEH2_END;
    }
    else
    {
        /* Use the Initial TEB as is */
        SafeInitialTeb = *InitialTeb;
    }

    /* Call the shared function */
    return PspCreateThread(ThreadHandle,
                           DesiredAccess,
                           ObjectAttributes,
                           ProcessHandle,
                           NULL,
                           ClientId,
                           ThreadContext,
                           &SafeInitialTeb,
                           CreateSuspended,
                           NULL,
                           NULL);
}

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