Method for Running a Computer Program on a Computer System

• US 20080133975A1
• Filed: 08/17/2005
• Published: 06/05/2008
• Est. Priority Date: 09/24/2004
• Status: Abandoned Application

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Graebitz, Karsten, Hartwich, Florian, Harter, Werner, Gmehlich, Rainer, Weiberle, Reinhard, Boehl, Eberhard, Mueller, Bernd, Kottke, Thomas, Pfeiffer, Wolfgang, Angerbauer, Ralf, Collani, Yorck
• Application Number:
  US11/662,429
• Publication Number:
  US 20080133975A1
• Time in Patent Office: Days
• US Class Current: 714/38
• CPC Class Codes: G06F 11/0715 in a system implementing multitasking multitasking per se G06F9/46
• CPC Class Codes: G06F 11/0724 in a multiprocessor or a multi-core unit multiprocessors per se G06F15/80
• CPC Class Codes: G06F 11/0793 Remedial or corrective actions recovery from an exception in an instruction pipeline G06F9/3861; by retry G06F11/1402; for recovering from a failure of a protocol instance or entity H04L69/40
• CPC Class Codes: G06F 11/1641 where the comparison is not performed by the redundant processing components

Abstract

To handle the errors occurring in running a computer program on a computer system (1) in the most flexible possible manner and thereby ensure the greatest possible availability of the computer program, an identifier is assigned to the error handling signal generated by an error detection unit (5) when an error occurs, an error handling routine is selected from a preselectable set of error handling routines as a function of this identifier and the selected error handling routine is executed.

Claims

1-19. -19. (canceled)

20. A method for running a computer program on a computer system, the computer program including at least one run-time object, comprising:

detecting an error occurring during an execution of the run-time object by an error detection unit;

generating by the error detection unit an error handling signal when the error occurs;

assigning an identifier to the error handling signal;

selecting an error handling routine from a preselectable set of error handling routines as a function of the identifier; and

executing the selected error handling routine.

21. The method as recited in claim 20, wherein the error handling signal is an external signal.

22. The method as recited in claim 20, further comprising:

detecting at least one variable characterizing at least one of the run-time object and the execution of the run-time object; and

generating the error handling signal as a function of the at least one detected variable.

23. The method as recited in claim 22, wherein the at least one detected variable describes a period of time still available until a predetermined event.

24. The method as recited in claim 20, further comprising:

executing the run-time object being executed in parallel on at least two processors of the computer system, a first one of the at least two processors producing a first result and a second one of the at least two processors producing a second result;

performing a comparison of the first result and the second result; and

generating the error handling signal when the first result and the second result do not match.

25. The method as recited in claim 20, wherein the method is used in a motor vehicle control unit.

26. The method as recited in claim 20, wherein the method is used in a safety-relevant system.

27. The method as recited in claim 20, wherein at least one of the error handling routines implements one of the following error handling options in the preselectable set of error handling routines:

a. performing no operation;

b. terminating execution of the run-time object;

c. terminating execution of the run-time object and prohibiting a new activation of the run-time object;

d. repeating the execution of the run-time object;

e. backward recovery;

f. forward recovery; and

g. reset.

28. The method as recited in claim 20, wherein the error that occurs is a transient error.

29. The method as recited in claim 20, wherein the selecting of the error handling routine is performed as a function of whether the error detected is one of a transient error and a permanent error.

30. The method as recited in claim 20, wherein an operating system runs on at least one processor of the computer system, and wherein the selecting of the error handling routine is made by the operating system.

31. A computer program embodied on a computer-readable medium including at least one run-time object and capable of running on a computer system by performing a method, the method comprising:

detecting an error occurring during an execution of the run-time object by an error detection unit;

generating by the error detection unit an error handling signal when the error occurs;

assigning an identifier to the error handling signal;

selecting an error handling routine from a preselectable set of error handling routines as a function of the identifier; and

executing the selected error handling routine.

32. The computer program as recited in claim 31, wherein the computer program includes an operating system.

33. A machine-readable data medium on which is stored a computer program executable on a computer system, the computer program including at least one run-time object and capable of running on a computer system by performing a method, the method comprising:

detecting an error occurring during an execution of the run-time object by an error detection unit;

generating by the error detection unit an error handling signal when the error occurs;

assigning an identifier to the error handling signal;

selecting an error handling routine from a preselectable set of error handling routines as a function of the identifier; and

executing the selected error handling routine.

34. A computer system including a computer program provided with at least one run-time object and capable of running on the computer system by performing a method, the method comprising:

detecting an error occurring during an execution of the run-time object by an error detection unit;

generating by the error detection unit an error handling signal when the error occurs;

assigning an identifier to the error handling signal;

selecting an error handling routine from a preselectable set of error handling routines as a function of the identifier; and

executing the selected error handling routine.

35. The computer system as recited in claim 34, wherein the computer program includes an operating system.

36. An error detection unit in a computer system that includes at least one hardware component and on which at least one run-time object is capable of running, comprising:

an arrangement for detecting an error that occurs during the execution of the at least one run-time object;

an arrangement for generating an error detection signal as a function of at least one property of the detected error;

an arrangement for assigning an identifier to the error detection signal; and

an arrangement for selecting an error handling routine from a preselectable set of error handling routines as a function of the identifier.

37. The error detection unit as recited in claim 36, wherein:

the at least one property of the error detected indicates at least one of;

whether the error is one of a transient error and a permanent error,

whether the error is due to one of a defective run-time object and a defective hardware component, and

which run-time object was being executed during an occurrence of the error.