Title:
コンピュータ装置用のオペレーティング・システムの、またはそれに関する改良
Document Type and Number:
Japanese Patent JP2007537504
Kind Code:
A
Abstract:
An operating system for a computing device includes a scheduler incorporating an algorithm for ordering the running of threads of execution having different priorities. The operating system is also arranged to provide a list of threads which are scheduled to run on the device, ordered by priority. At least one locking mechanism for docking access to a resource of the device from all threads except for a thread that holds the locking mechanism is also provided, and the operating system arranges for a scheduled thread which is docked from running because the resource it requires is locked to cause the thread which holds the locking mechanism to run.
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Inventors:
May, Dennis
Application Number:
JP2007505640A
Publication Date:
December 20, 2007
Filing Date:
April 01, 2005
Export Citation:
Assignee:
SYMBIAN SOFTWARE LIMITED
International Classes:
G06F9/52; G06F9/46; G06F9/48
Domestic Patent References:
| JPH05204675A | 1993-08-13 | |||
| JPH1055284A | 1998-02-24 |
Other References:
MIKE CHEREPOV AND CHRIS JONES: "Hard Real-Time With RTX on Windows NT", PROCEEDINGS OF THE 3RD CONFERENCE ON USENIX WINDOWS NT SYMPOSIUM, JPN5007005040, 13 July 1999 (1999-07-13), pages 103 - 111, ISSN: 0001889407
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama