semaphore

1. (злічуване, незлічуване)Any equipment used for visual signalling by means of flags, lights, or mechanically moving arms, which are used to represent letters of the alphabet, or words.

   семафо́рsemafór

   an apparatus for visual signaling with lights or mechanically moving arms

2. (злічуване, незлічуване)A visual system for transmitting information using the above equipment; especially, by means of two flags held one in each hand, using an alphabetic and numeric code based on the position of the signaller's arms; flag semaphore.

   семафо́рsemafór, флажко́вая сигнализа́цияflažkóvaja signalizácija

   семафо́рsemafór

3. (злічуване, незлічуване)A bit, token, fragment of code, or some other mechanism which is used to restrict access to a shared function or device to a single process at a time, or to synchronize and coordinate events in different processes.

   The thread increments the semaphore to prevent other threads from entering the critical section at the same time.

   Semaphor

   семафо́рsemafór

1. The car is so old that it has a turning semaphore.

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2. Increment the semaphore by 1.

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3. Today we're going to make a semaphore to control access to our variable by different threads.

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4. Tom used his flags to spell out "HELP" in semaphore.

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