semaphore
/ˈsɛm.əˌfoɹ/ nom C2En français : sémaphore
- 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.
- 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.
- 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.
Pluriel semaphores
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