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Implementing Lightweight Threads

Authors: 

D. Stein and D. Shah, SunSoft, Inc.

Abstract: 

We describe an implementation of a threads library that provides extremely lightweight threads within a single UNIX process while allowing fully concurrent access to system resources. The threads are lighnveight enough so that they can be created quickly, there can be thousands present, and synchronization can be accomplished rapidly. These goals are achieved by providing user threads which multiplex on a pool of ketnel-supported threads of control. This pool is managed by the library and will automatically grow or shrink as required to ensure that the process will make progress while not using an excessive amount of kernel resources. The programmer can also tune the relationship between threads and kernel supported threads of control. This paper focuses on scheduling and synchronizing user threads, and their interaction with UNIX sigrrals in a multiplexing threads library.

D. Stein, SunSoft, Inc.

D. Shah, SunSoft, Inc.

BibTeX
@inproceedings {250982,
author = {D. Stein and D. Shah},
title = {Implementing Lightweight Threads},
booktitle = {USENIX Summer 1992 Technical Conference (USENIX Summer 1992 Technical Conference)},
year = {1992},
address = {San Antonio, TX},
url = {https://www.usenix.org/conference/usenix-summer-1992-technical-conference/implementing-lightweight-threads},
publisher = {USENIX Association},
month = jun,
}
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Paper: 
http://usenix.org/publications/library/proceedings/sa92/stein.pdf
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