[sĕḿə-fôŕ, -fōŕ]
(n.)A visual signaling apparatus with flags, lights, or mechanically…
(n.)A visual system for sending information by means of two flags that are…
(tr. & intr.v.)To send (a message) or to signal by semaphore.
Dictionary.com · The American Heritage® Dictionary · See all 3 definitions »
Semaphore was a process of communication using flags to send messages,primarily between sailing vessels. Based on the positioning and patterning of the flags, messages could be sent when other methods were not practical or available. It is ...
http://wiki.answers.com/Q/What_is_semaphore
Semaphore (programming) - Wikipedia, the free encyclopedia
In computer science, a semaphore is a protected variable or abstract data type which constitutes the classic method for restricting access to shared resources such as shared memory in a parallel pro...
en.wikipedia.org/wiki/Semaphore_(programming)
Flag semaphore - Wikipedia, the free encyclopedia
Flag semaphore is a system for conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands. Information is encoded ...
en.wikipedia.org/wiki/Flag_semaphore
Railway semaphore signal - Wikipedia, the free encyclopedia
One of the earliest forms of fixed railway signal is the semaphore . These signals display their different indications to train drivers by changing the angle of inclination of a pivoted 'arm'. Semap...
en.wikipedia.org/wiki/Railway_semaphore_signal
In multitasking systems, a semaphore is a variable with a value that indicates the status of a common resource. Its used to lock the resource that is being used. A process needing the resource checks the semaphore to determine the resource's status and then decides how to proceed.
www.sap-basis-abap.com/unix/what-is-a-semaphore.htm www.sap-basis-abap.com/unix/what-is-a-semaphore.htm
The Semaphore flag signaling system is an alphabet signalling system based on the waving of a pair of hand-held flags in a particular pattern.
www.anbg.gov.au/flags/semaphore.html www.anbg.gov.au/flags/semaphore.html
>>> Working on new semaphore-related items ... ; June 2002; Semaphores.com Announcement of CSX Semaphore Auction; Orleans, IN; June 2001, photo by Eric A. Schmelz; ... August 2001: Semaphore News...
www.semaphores.com/ www.semaphores.com/
Java uses the synchronized keyword and java.lang.Object's wait() and notify() methods as synchronization mechanisms. Are there any other mechanisms, like semaphores, built in to Java? ... Does Java support the semaphore mechanism?
www.javaworld.com/javaworld/javaqa/1999-11/02-qa-semaph... www.javaworld.com/javaworld/javaqa/1999-11/02-qa-semaphore.html
This page describes the term semaphore and lists other pages on the Web where you can find additional information. ... In multitasking systems, a semaphore is a variable with a value that indicates the status of a common resource. It's used to lock the resource that is being used. A process needing the resource checks...
www.webopedia.com/semaphore.htm www.webopedia.com/semaphore.htm
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