JPS5755408A - Operating monitor method of computer for process by crt - Google Patents

Operating monitor method of computer for process by crt

Info

Publication number
JPS5755408A
JPS5755408A JP55130663A JP13066380A JPS5755408A JP S5755408 A JPS5755408 A JP S5755408A JP 55130663 A JP55130663 A JP 55130663A JP 13066380 A JP13066380 A JP 13066380A JP S5755408 A JPS5755408 A JP S5755408A
Authority
JP
Japan
Prior art keywords
display
timer
reset
crt
colon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP55130663A
Other languages
Japanese (ja)
Inventor
Keiichi Kameyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55130663A priority Critical patent/JPS5755408A/en
Publication of JPS5755408A publication Critical patent/JPS5755408A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Debugging And Monitoring (AREA)

Abstract

PURPOSE:To monitor the normal operation of a computer, by providing a task resetting a watch-dog timer as the task of the least significant priority level and making blink display for the time display of the CRT in reset period of this timer. CONSTITUTION:One colon for a time display displayed on the upper part of a screen of a CRT is blinked with a reset period of a watchdog timer by using one endless counter. When a watchdog timer reset task starts, first it is discriminated at a step 10 if the count value of the watchdog timer is an odd number, and if it is an odd number, a colon display output is made at a step 11. If it is judged at the step 10 that the count vasue is an even number, a colon display reset is made at a step 12. When display is made at the steps 11, 12, the output of the watching timer reset is made at a step 13.
JP55130663A 1980-09-22 1980-09-22 Operating monitor method of computer for process by crt Pending JPS5755408A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55130663A JPS5755408A (en) 1980-09-22 1980-09-22 Operating monitor method of computer for process by crt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55130663A JPS5755408A (en) 1980-09-22 1980-09-22 Operating monitor method of computer for process by crt

Publications (1)

Publication Number Publication Date
JPS5755408A true JPS5755408A (en) 1982-04-02

Family

ID=15039629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55130663A Pending JPS5755408A (en) 1980-09-22 1980-09-22 Operating monitor method of computer for process by crt

Country Status (1)

Country Link
JP (1) JPS5755408A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947620A (en) * 1982-09-13 1984-03-17 Tokyo Electric Power Co Inc:The Automatic power factor controller
JPH0232155U (en) * 1988-08-19 1990-02-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947620A (en) * 1982-09-13 1984-03-17 Tokyo Electric Power Co Inc:The Automatic power factor controller
JPH0232155U (en) * 1988-08-19 1990-02-28

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