Boots – shoes – and leggings
Patent
1983-12-19
1987-01-06
Eng, David Y.
Boots, shoes, and leggings
G06F 900
Patent
active
046351876
ABSTRACT:
In a multiprocessing system, a method of efficiently maintaining a program process active while also ensuring that the process is deactivated when no longer needed. One or more subordinate processes are linked to a controlling process. Each subordinate process has an associated overall timer. As long as the controlling process keeps sending periodic keep-alive messages to a subordinate process, the associated overall timer is prevented from timing out. When the controlling process stops sending keep-alive messages, the associated overall timer times out and the subordinate process is deactivated.
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Baron Donna M.
Espenlaub David E.
Haines Vicki A.
Inberg Gerald A.
Shilling Steve A.
AT&T Bell Laboratories
Eng David Y.
Samples Kenneth H.
Ulrich Werner
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