ZA927287B - Semaphore mechanism for a data processing system. - Google Patents

Semaphore mechanism for a data processing system.

Info

Publication number
ZA927287B
ZA927287B ZA927287A ZA927287A ZA927287B ZA 927287 B ZA927287 B ZA 927287B ZA 927287 A ZA927287 A ZA 927287A ZA 927287 A ZA927287 A ZA 927287A ZA 927287 B ZA927287 B ZA 927287B
Authority
ZA
South Africa
Prior art keywords
data processing
processing system
semaphore mechanism
semaphore
data
Prior art date
Application number
ZA927287A
Other languages
English (en)
Inventor
Nicholas Peter Holt
Michael Fields
Mark Norman Fulleton
Andrew John Knowles
Original Assignee
Int Computers 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 Int Computers Ltd filed Critical Int Computers Ltd
Publication of ZA927287B publication Critical patent/ZA927287B/xx

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
    • G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multi Processors (AREA)
  • Memory System (AREA)
ZA927287A 1991-11-01 1992-09-23 Semaphore mechanism for a data processing system. ZA927287B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919123264A GB9123264D0 (en) 1991-11-01 1991-11-01 Semaphone arrangement for a data processing system

Publications (1)

Publication Number Publication Date
ZA927287B true ZA927287B (en) 1993-03-25

Family

ID=10703946

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA927287A ZA927287B (en) 1991-11-01 1992-09-23 Semaphore mechanism for a data processing system.

Country Status (7)

Country Link
US (1) US5394551A (ja)
EP (1) EP0540161B1 (ja)
JP (1) JPH05233423A (ja)
AU (1) AU655684B2 (ja)
DE (1) DE69225671T2 (ja)
GB (1) GB9123264D0 (ja)
ZA (1) ZA927287B (ja)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0595453B1 (en) * 1992-10-24 1998-11-11 International Computers Limited Distributed data processing system
US5586318A (en) * 1993-12-23 1996-12-17 Microsoft Corporation Method and system for managing ownership of a released synchronization mechanism
US5574922A (en) * 1994-06-17 1996-11-12 Apple Computer, Inc. Processor with sequences of processor instructions for locked memory updates
US5623670A (en) * 1995-02-17 1997-04-22 Lucent Technologies Inc. Method and apparatus for crash safe enforcement of mutually exclusive access to shared resources in a multitasking computer system
CA2146170C (en) * 1995-04-03 2001-04-03 Matthew A. Huras Server detection of client process termination
US5799195A (en) * 1995-07-24 1998-08-25 Dell Usa, L.P. Structure and method for detecting occurrence of external events using semaphores
US5696939A (en) * 1995-09-29 1997-12-09 Hewlett-Packard Co. Apparatus and method using a semaphore buffer for semaphore instructions
US6532487B1 (en) * 1995-12-04 2003-03-11 International Business Machines Corporation Method and system for managing semaphores in an object-oriented multi-tasking computer system
US5931923A (en) * 1996-02-16 1999-08-03 Advanced Micro Devices, Inc. System for accessing control to a peripheral device utilizing a synchronization primitive within the peripheral device
US5842015A (en) * 1996-07-26 1998-11-24 Hewlett-Packard Company System and method for real-time control of hardware in a multiprocessing environment
US5727206A (en) * 1996-07-31 1998-03-10 Ncr Corporation On-line file system correction within a clustered processing system
US5828876A (en) * 1996-07-31 1998-10-27 Ncr Corporation File system for a clustered processing system
US6112282A (en) * 1997-06-24 2000-08-29 Sun Microsystems, Inc. Apparatus for atomic locking-accessing-unlocking of a shared resource
US5900018A (en) * 1997-06-24 1999-05-04 Sun Microsystems, Inc. Processor-implemented method of controlling data access to shared resource via exclusive access control write-cache
JPH11203254A (ja) * 1998-01-14 1999-07-30 Nec Corp 共有プロセス制御装置及びプログラムを記録した機械読み取り可能な記録媒体
US6405233B1 (en) 1999-06-30 2002-06-11 Intel Corporation Unaligned semaphore adder
GB2370131C (en) * 2000-12-12 2006-09-06 Advanced Risc Mach Ltd Exclusive access control to a processing resource
US7996592B2 (en) * 2001-05-02 2011-08-09 Nvidia Corporation Cross bar multipath resource controller system and method
US7966400B2 (en) * 2003-04-03 2011-06-21 International Business Machines Corporation Apparatus, system and method of delivering alternate web pages based on browsers' content filter settings
US7614054B2 (en) * 2003-12-31 2009-11-03 Intel Corporation Behavioral model based multi-threaded architecture
JP4649257B2 (ja) * 2005-04-04 2011-03-09 キヤノン株式会社 マルチｃｐｕシステム
JP2007179190A (ja) * 2005-12-27 2007-07-12 Mitsubishi Electric Corp セマフォ管理方法、およびセマフォ管理プログラム
US20080114899A1 (en) * 2006-10-05 2008-05-15 Holt John M Switch protocol for network communications
US20080114896A1 (en) * 2006-10-05 2008-05-15 Holt John M Asynchronous data transmission
US9639474B2 (en) 2013-03-15 2017-05-02 Nvidia Corporation Migration of peer-mapped memory pages

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2253423A5 (ja) * 1973-11-30 1975-06-27 Honeywell Bull Soc Ind
FR2253418A5 (ja) * 1973-11-30 1975-06-27 Honeywell Bull Soc Ind
US4145739A (en) * 1977-06-20 1979-03-20 Wang Laboratories, Inc. Distributed data processing system
DE2963264D1 (en) * 1978-12-04 1982-08-19 Ibm Multiprocessor system with enqueue facility for access to sharable data facilities
US4380798A (en) * 1980-09-15 1983-04-19 Motorola, Inc. Semaphore register including ownership bits
US4412285A (en) * 1981-04-01 1983-10-25 Teradata Corporation Multiprocessor intercommunication system and method
US4964040A (en) * 1983-01-03 1990-10-16 United States Of America As Represented By The Secretary Of The Navy Computer hardware executive
US4594657A (en) * 1983-04-22 1986-06-10 Motorola, Inc. Semaphore for memory shared by two asynchronous microcomputers
US4754398A (en) * 1985-06-28 1988-06-28 Cray Research, Inc. System for multiprocessor communication using local and common semaphore and information registers
US5179665A (en) * 1987-06-24 1993-01-12 Westinghouse Electric Corp. Microprocessor information exchange with updating of messages by asynchronous processors using assigned and/or available buffers in dual port memory
JPS6481066A (en) * 1987-09-24 1989-03-27 Nec Corp Connection system for multi-processor
US5050072A (en) * 1988-06-17 1991-09-17 Modular Computer Systems, Inc. Semaphore memory to reduce common bus contention to global memory with localized semaphores in a multiprocessor system
US4965718A (en) * 1988-09-29 1990-10-23 International Business Machines Corporation Data processing system incorporating a memory resident directive for synchronizing multiple tasks among plurality of processing elements by monitoring alternation of semaphore data
EP0365728B1 (en) * 1988-10-28 1993-12-29 International Business Machines Corporation Resource access for a multiprocessing computer system
US5276886A (en) * 1990-10-11 1994-01-04 Chips And Technologies, Inc. Hardware semaphores in a multi-processor environment

Also Published As

Publication number Publication date
DE69225671T2 (de) 1999-01-21
GB9123264D0 (en) 1991-12-18
US5394551A (en) 1995-02-28
EP0540161A1 (en) 1993-05-05
AU655684B2 (en) 1995-01-05
AU2744892A (en) 1993-05-06
JPH05233423A (ja) 1993-09-10
DE69225671D1 (de) 1998-07-02
EP0540161B1 (en) 1998-05-27

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