Patent
1994-05-06
1997-03-18
Harrell, Robert B.
G06F 1310
Patent
active
056131615
ABSTRACT:
A multiplexing non-device specific stream module is provided to an operating system. The multiplexing non-device specific stream module includes a number of upper and lower ports. Each port, lower as well as upper, has a write queue, a read queue, and an associated control and status data area. Additionally, the multiplexing non-device specific stream module further includes a number of service routines, in particular, a splice/unsplice routine, a change ownership routine, and a query ownership routine. Together, these elements cooperate to allow multiplexing of connections to input/output devices with improved performance and flexibility, while maintaining compatibility.
REFERENCES:
Simpson, David, The Streams Machine, Mini-micro Systems, vol. 22, No. 2, Feb. 1989, pp. 62-71.
Krieger et al., The Alloc Stream Facility, A redesign of application level stream I/O, Computer, vol. 27, No. 3, Mar. 1994, pp. 75-82.
Presotto et al., Interprocess Communication in the Eighth Edition Unix System, USENIX Association Summer Conference proceedings 1985, USENIX Assoc., pp. 309-316.
Neal Nuckolls "GPMUX-A Generic Provider Multiplexing Streams Driver", pp. 1-10.
Peck Jeff
Stanton Scott N.
Stoltz Ben
Harrell Robert B.
Sun Microsystems Inc.
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