semaphore background

semaphore

/ˈsɛməfɔː/ /ˈsɛməˌfɔɹ/

Illustration semaphore - Image 1

noun

Sémaphore, signalisation visuelle

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.

Examples :

"The construction crew used a semaphore with brightly colored flags to guide the crane operator. "

L'équipe de construction a utilisé un sémaphore avec des drapeaux aux couleurs vives pour guider le grutier.

communication technology nautical signal machine military device

Illustration semaphore - Image 1

noun

Sémaphore

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.

Examples :

"The sailors used semaphore to send a message from ship to shore because their radio was broken. "

Les marins ont utilisé le sémaphore pour envoyer un message du navire à la côte parce que leur radio était en panne.

communication technology signal nautical military system sign writing

Illustration semaphore - Image 1

noun

Sémaphore

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.

Examples :

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

Le thread incrémente le sémaphore pour empêcher les autres threads d'entrer dans la section critique en même temps.

computing technology process signal communication device system function

Illustration semaphore - Image 1

verb

Signaler, sémaphorer

To signal using, or as if using, a semaphore, with the implication that it is done nonverbally.

Examples :

"From across the noisy playground, the teacher semaphoreed to the children to line up. "

De l'autre côté de la cour de récréation bruyante, le professeur a fait signe aux enfants de se mettre en rang.

communication signal nautical military