CA2118201A1 - Photon windowing kernel - Google Patents

Photon windowing kernel

Info

Publication number
CA2118201A1
CA2118201A1 CA002118201A CA2118201A CA2118201A1 CA 2118201 A1 CA2118201 A1 CA 2118201A1 CA 002118201 A CA002118201 A CA 002118201A CA 2118201 A CA2118201 A CA 2118201A CA 2118201 A1 CA2118201 A1 CA 2118201A1
Authority
CA
Canada
Prior art keywords
operating systems
managing
programs
microkernel
gui
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.)
Granted
Application number
CA002118201A
Other languages
French (fr)
Other versions
CA2118201C (en
Inventor
Patrick M. Hayden
Robin A. Burgener
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.)
2236008 Ontario Inc
Original Assignee
QNX Software Systems 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 QNX Software Systems Ltd filed Critical QNX Software Systems Ltd
Priority to CA002388871A priority Critical patent/CA2388871C/en
Priority to CA002118201A priority patent/CA2118201C/en
Priority to US08/323,354 priority patent/US5745759A/en
Publication of CA2118201A1 publication Critical patent/CA2118201A1/en
Application granted granted Critical
Publication of CA2118201C publication Critical patent/CA2118201C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/542—Event management; Broadcasting; Multicasting; Notifications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/451—Execution arrangements for user interfaces

Abstract

The most commonly available operating systems over the last two decades have had a monolithic kernel architecture. These operating systems often employ windowing systems or graphical user interfaces (GUI's) but adding complex functionality to the monolithic kernel itself. Microkernel operating systems offer a superior architecture, but heretofore, where not available with an effective GUI. While monolithic operating systems support complex instructions such as "drawing"or managing an input device, microkernel architectures seek to operate with a minimal set of primitives, delegating the more complex tasks to external processes. The invention provides an effective GUI for managing the interaction of a plurality of programs, by defining a three dimensional "event space" in which the programs operate. Each program has a set of characteristics, which define its location in the event space. This paradigm allows a microkernel operating system to manage the programs by managing this small set of characteristics.
CA002118201A 1994-10-14 1994-10-14 Photon windowing kernel Expired - Lifetime CA2118201C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002388871A CA2388871C (en) 1994-10-14 1994-10-14 Photon windowing kernel
CA002118201A CA2118201C (en) 1994-10-14 1994-10-14 Photon windowing kernel
US08/323,354 US5745759A (en) 1994-10-14 1994-10-14 Window kernel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002118201A CA2118201C (en) 1994-10-14 1994-10-14 Photon windowing kernel
US08/323,354 US5745759A (en) 1994-10-14 1994-10-14 Window kernel

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002388871A Division CA2388871C (en) 1994-10-14 1994-10-14 Photon windowing kernel

Publications (2)

Publication Number Publication Date
CA2118201A1 true CA2118201A1 (en) 1996-04-15
CA2118201C CA2118201C (en) 2003-02-04

Family

ID=25677097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118201A Expired - Lifetime CA2118201C (en) 1994-10-14 1994-10-14 Photon windowing kernel

Country Status (2)

Country Link
US (1) US5745759A (en)
CA (1) CA2118201C (en)

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US20060159432A1 (en) * 2005-01-14 2006-07-20 Citrix Systems, Inc. System and methods for automatic time-warped playback in rendering a recorded computer session
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US8667184B2 (en) * 2005-06-03 2014-03-04 Qnx Software Systems Limited Distributed kernel operating system
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Also Published As

Publication number Publication date
CA2118201C (en) 2003-02-04
US5745759A (en) 1998-04-28

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Effective date: 20141014