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Category > Engineering Posted 11 Jun 2017 My Price 5.00

Are critical regions on code sections really necessary in an SMP operating system

1. Are critical regions on code sections really necessary in an SMP operating system to avoid race conditions or will mutexes on data structures do the job as well?

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Status NEW Posted 11 Jun 2017 10:06 AM My Price 5.00

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file 1497176808-Answer.docx preview (338 words )
A-----------re -----------cri-----------tic-----------al -----------reg-----------ion-----------s o-----------n c-----------ode----------- se-----------cti-----------ons----------- re-----------all-----------y n-----------ece-----------ssa-----------ry -----------in -----------an -----------SMP----------- op-----------era-----------tin-----------g s-----------yst-----------em -----------to -----------avo-----------id -----------rac-----------e c-----------ond-----------iti-----------ons----------- or----------- wi-----------ll -----------mut-----------exe-----------s o-----------n d-----------ata----------- st-----------ruc-----------tur-----------es -----------do -----------the----------- jo-----------b a-----------s w-----------ell-----------? -----------Ans-----------wer-----------:- ----------- S-----------ymm-----------etr-----------ic -----------Mul-----------tip-----------roc-----------ess-----------ing-----------: ----------- In----------- a -----------Sym-----------met-----------ric----------- mu-----------lti-----------pro-----------ces-----------sin-----------g (-----------SMP-----------) t-----------wo -----------or -----------als-----------o p-----------roc-----------ess-----------ors----------- sh-----------are----------- ma-----------in -----------mem-----------ory----------- an-----------d a-----------re -----------con-----------nec-----------ted----------- to-----------get-----------her-----------. T-----------he -----------sys-----------tem----------- ar-----------chi-----------tec-----------tur-----------e i-----------s d-----------eri-----------vin-----------g s-----------uch----------- th-----------at -----------the----------- pr-----------oce-----------sso-----------rs -----------hav-----------e f-----------ull----------- ac-----------ces-----------s t-----------o a-----------ll -----------the----------- In-----------put-----------/ou-----------tpu-----------t d-----------evi-----------ces----------- at-----------tac-----------hed-----------. A-----------nd
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