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Puas yog hom semaphores?

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Puas yog hom semaphores?
Puas yog hom semaphores?

Video: Puas yog hom semaphores?

Video: Puas yog hom semaphores?
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Anonim

Muaj 3 hom semaphores uas yog Binary, suav thiab Mutex semaphore.

Dab tsi yog ob hom semaphores?

Digital Semaphores thiab Binary Semaphores.

binary thiab suav semaphores yog dab tsi?

Definition. Ib tug Binary Semaphore yog a semaphore uas nws tus lej suav ntau tshaj 0 thiab 1. Kev suav semaphore yog ib qho semaphore uas muaj ntau yam txiaj ntsig ntawm tus lej. Tus nqi tuaj yeem nyob ntawm qhov chaw tsis txwv.

Lub hom phiaj ntawm semaphore yog dab tsi?

Semaphores feem ntau yog siv nyob rau hauv ib qho ntawm ob txoj hauv kev: Tau tswj kev nkag mus rau cov cuab yeej sib koom ntawm cov haujlwm. Lub tshuab luam ntawv yog ib qho piv txwv zoo. Koj tsis xav tau 2 txoj haujlwm xa mus rau lub tshuab luam ntawv ib zaug, yog li koj tsim binary semaphore los tswj lub tshuab luam ntawv nkag.

Dab tsi yog semaphore thiab nws txoj haujlwm?

A semaphore yog a synchronization mechanism zoo ib yam li mutex lossis lub tshuab cuam tshuam (MI) xauv. Nws tuaj yeem siv los tswj kev nkag mus rau cov peev txheej sib koom, lossis siv los ceeb toom rau lwm cov xov ntawm kev muaj peev txheej. Semaphore teeb tsis yog ib qho nqi, tab sis muaj ib qho txiaj ntsig. …

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