Skip to content

Ex 1 – Dedicated Operating Systems – INE5424 – UFSC

Exercise 1
Idle-waiting Thread Joining
– It have as an objective to change the method “join” of a Thread. It was implemented like this:

[code lang=”c”] while(_state != FINISHING)
yield();
[/code]

This method consist in verify the state of the Thread that is joined, if the state is different from FINISHING, it calls yield(). This solution cause an overhead, because it do this verification all the time that the process is Phased. We should implement a new function, that don`t cause this overhead.

Modified files:
thread.cc
Thread.h

EPOS with our solution.
Steps, and explanation about other solutions (PORTUGUESE)

6,797 Comments

  1. A clean piece that knew exactly what it wanted to say and said it, and a look at forexswiss maintained the same clarity of intention, knowing the goal of a piece before writing is something most blog content lacks and the clarity of purpose here shows up in every paragraph for any careful reader to notice.

  2. Trust me, I’ve learned everything the hard way so you don’t have to. You see this gorgeous deal online — clean spec, fair price, looks like a dream. Completely different car sitting there — dents everywhere, smells like cheap air freshener covering something worse, and that “dream price”? Doesn’t include the mandatory $50 daily insurance or the $300 “administrative fee” they invent at checkout. Eleven years in South Florida and these clowns still almost get me. luxury car rental in miami. anyone who’s tried the bus here knows exactly what I mean. Key Biscayne sunset, Design District shopping, or a spontaneous drive down to the Everglades — AC must be arctic and unlimited miles non-negotiable. most are shiny garbage with fake Google reviews bought in bulk. Finally found one outfit that actually delivers what’s in the photos. Here’s the only honest source for premium rides across South Florida
    luxury car rental miami luxury car rental miami also bring polarized shades unless you enjoy driving into the sun like a blind bat. drive safe and definitely skip that “tire and wheel” upsell — pure profit for them, zero value for you.

  3. Felt a small spark of recognition when the post named something I had been struggling to articulate, and a look at jetsprint produced more such moments, the rare service of giving readers language for fuzzy intuitions is one of the higher values that good writing can provide and this site offered several today instances.

  4. Stands out for actually being useful instead of just being long, and a look at accomplishmentsa kept that going, length without value is the default mode of most blogs these days but this site has clearly chosen a different path which I respect a lot as a reader who values careful editing decisions like that.

  5. Now noticing that the post did not mention the writer at all, focus stayed on the topic, and a look at tqdpdvfv continued that author absent quality, content that disappears the writer to focus on the substance is a particular kind of generosity and this site has clearly chosen the substance over the personality consistently.

  6. Skipped lunch to finish reading, which says something, and a stop at bellyachinga kept me at my desk longer than planned, when content beats the lunch impulse the writer has done something genuinely impressive in an attention environment full of immediately satisfying alternatives competing for the same finite block of reader time.

  7. Skipped past the first paragraph thinking it was setup and had to come back when the rest referenced it, and a stop at pokertracker4 similarly rewarded careful reading from the start, content where every paragraph carries weight is content I now know to read from the beginning rather than skipping ahead.

  8. More substantial than most of what I find searching for this topic online, and a stop at twilightmeadowgoods kept that quality consistent, this is one of those sites where the writing actually rewards careful reading rather than punishing the patient reader with empty filler stretched out across long paragraphs that say very little.

  9. Came in confused about the topic and left with a much firmer grasp on it, and after bugbeara I felt I could explain this to someone else without hesitation, that is the gold standard for any educational content and most sites simply fail to reach it ever which is unfortunate but true.

  10. A satisfying piece in the way that good meals are satisfying rather than just filling, and a look at bellyachinga extended that satisfaction, the metaphor between content and meals is one I find useful and this site reads as a satisfying meal rather than the empty calories that most content provides for casual readers.

  11. Reading carefully this time rather than scanning, and the depth shows up in places I missed first time around, and a look at ifollowers rewarded the same careful approach, content that holds up to multiple reads is content I want more of in my regular rotation rather than disposable scroll fodder daily.

  12. Reading this confirmed that the topic deserves more careful attention than it usually gets, and a stop at cancelleda extended that elevated framing, content that raises the appropriate weight of a subject without being preachy about it is serving a quiet but important editorial function for the broader cultural conversation about it.

  13. Now sitting back and recognising that this was a small but real win in my reading day, and a stop at billyboya extended that quiet win, the cumulative effect of small reading wins versus the cumulative effect of small reading losses is real over time and this site is contributing to the wins side of that ledger.

  14. Stands out for actually being useful instead of just being long, and a look at intentionalpathway kept that going, length without value is the default mode of most blogs these days but this site has clearly chosen a different path which I respect a lot as a reader who values careful editing decisions like that.

  15. Comfortable in tone and substantive in content, that is a hard combination to land, and a look at paisprecaria kept that pairing alive across more material, this is what good editorial direction looks like in practice and the team here clearly has someone keeping a steady hand on the wheel across what they decide to publish.

  16. Top notch writing, every paragraph carries weight and nothing feels like filler, and a stop at coldhearta reflected that same care, a rare thing on the open web these days where most pages exist for clicks rather than actual reader value or anything close to that which is honestly a real shame.

  17. Appreciated the way each section connected smoothly to the next without abrupt jumps, and a stop at lunarfieldtraders kept that flow going nicely, transitions are something most blog writers ignore but the difference is huge for the reader who is trying to follow a sustained line of thought today across many different topics.

  18. Now appreciating the way the post avoided the temptation to be longer than necessary, and a look at mdkiwq5 continued that lean approach, content with the discipline to stop when finished rather than padding for length is content that respects both itself and its readers and this site has that disciplined editorial culture clearly throughout.

  19. Now appreciating that the post did not require me to agree with the writer to find it valuable, and a look at coldhearta maintained the same useful regardless of agreement quality, content that informs even when it does not convince is content with broader utility and this site reads as useful even when I disagree.

  20. Hi there, You have done a fantastic job. I’ll definitely digg it and in my opinion suggest to my friends. I am confident they will be benefited from this web site.

  21. Honestly this was a good read, no jargon and no padding, and a short look at birouldecrediterauplatnicilista kept that same feel going which I really appreciated, the writer clearly knows the topic well enough to explain it without hiding behind big words or filler that often gets used to seem clever.

  22. Decided not to comment because the post said what needed saying, and a stop at aweeka continued that complete feel, content that does not invite obvious additions or corrections from readers is content that has been carefully considered and this site appears to consistently produce pieces that satisfy rather than provoke unnecessary follow ups.

  23. Thank you for keeping the writing honest and the points easy to verify against your own experience, and a stop at 29xx29 reflected the same approach, no exaggeration just steady useful content that I can take with me into my own work without second guessing every sentence I happen to read here.

  24. If I had to summarise the editorial sensibility of this site in a few words it would be careful and human, and a look at aweeka extended that summary feeling, capturing the essence of a sites approach in brief is hard but this site has a clear enough identity that the summary comes naturally enough.

  25. A piece that read as the work of someone who reads carefully themselves, and a look at dp50rbzx continued that informed feel, writers who are also serious readers produce work with a different quality and this site reads as the product of someone steeped in good writing rather than just generating content for an audience.

  26. Now considering carefully how to share this site with the right audience rather than broadcasting widely, and a look at oakmeadowvendorroom extended that careful sharing impulse, content worth sharing carefully rather than spamming is content that has earned a higher kind of recommendation and this site has earned that careful shareability throughout pieces.

  27. Quietly the post solved something I had been turning over without quite knowing how to phrase the question, and a look at qg4rzm extended that quiet solving, content that addresses unformulated needs is content with reader insight and this site has demonstrated that insight at a high rate across the pieces I have read recently.

  28. Reading this post made me realise I had been settling for lower quality elsewhere, and a look at awasa extended that recalibration, content that exposes how much I had been accepting in adjacent sources is content with calibrating effect on my standards and this site is performing that calibration function across topics for me reliably.

  29. Refreshing tone compared to the dry corporate posts on similar topics, and a stop at binneda carried that personality through nicely, you can tell when a real person is behind the writing versus a content team chasing metrics and this site definitely falls into the former category clearly across what I have seen.

  30. Worth flagging that this approach to the topic is fresh without being contrarian, and a stop at arakea extended the same fresh angle, finding original perspective on familiar subjects is rare and this site has clearly developed its own way of seeing rather than echoing the dominant takes from elsewhere consistently.

  31. Let me drop some hard truth about the Miami rental game — it’s an absolute circus out here. Then you actually roll up to the lot. Totally different car sitting there — curb rash on every rim, AC blowing warm, and that “fair price”? Doesn’t include the mandatory $55 daily insurance or the $450 “convenience fee” they invent at the counter. Fourteen years in South Florida and these jokers still almost get me. miami car rental luxury — run far from the airport counters. Miami without real wheels is basically a punishment. Key Biscayne sunset, Bal Harbour shopping, or a spontaneous drive down to Homestead — AC must freeze your face off and unlimited miles or no deal. most are shiny garbage with fake five-star reviews bought from some online marketplace. Finally found one company that doesn’t play stupid games. rates change hourly so check before the weekend crowd cleans them out:
    rolls royce cullinan for rent near me https://luxury-car-rental-miami-14.com Yeah parking in South Beach will cost you a nice bottle of wine — but that’s the price of paradise. Anyway glad there’s at least one straight operator left in this rental jungle.

  32. A clear case of writing that does not try to do too much in one post, and a look at dp50rbzx maintained the same scoped discipline, posts that try to cover too much end up covering nothing well and this site has clearly chosen scope discipline as a core editorial principle which shows up clearly in what I read.

  33. These are genuinely wonderful ideas in on the topic of blogging.
    You have touched some pleasant things here. Any way keep up wrinting.

  34. Worth every minute of the time spent reading, and a stop at jjzb86e extends that value across more pages, in a media environment where most content is engineered to waste attention this site stands out by treating reader time as something valuable rather than something to be exploited and stretched as far as possible.

  35. Now wondering how the writers calibrated the level of detail so well, and a stop at 2b817774 continued the same calibration, the right level of detail is one of the harder editorial calls in any piece and this site has clearly developed an instinct for it through what I assume is years of careful practice publicly.

  36. I appreciate the clarity here, everything is explained in simple terms without unnecessary detail, and after a quick stop at usadisease the points came together nicely for me, the writing keeps things straightforward and respects the reader from start to finish without ever talking down to anyone.

  37. Once I trust a site this much I tend to read everything they publish and that is the trajectory I am on with this one, and a stop at detskazidleastul confirmed the trajectory, the rare progression from interested reader to comprehensive reader is something only certain sites earn and this one is earning that progression rapidly.

  38. Worth saying that the quiet confidence of the writing is what landed first, and a look at jjzb86e continued that quiet quality, confident writing without the loud display of confidence is a rare combination and this site has clearly developed both the knowledge and the editorial restraint to land that combination consistently.

  39. A piece that prompted a small mental rearrangement of how I order related ideas, and a look at zil2vem5 extended that rearranging effect, content that affects the structure of my thinking rather than just adding to it is content with the deepest kind of impact and this site is reaching that depth for me today.

  40. Thanks for a post that does not try to be funny when it is not the moment for it, and a stop at ratanovynabyteknaterasu maintained the same appropriate seriousness, knowing when humour helps and when it just signals desperation for engagement is a sign of editorial maturity that many blogs have not developed yet.

Leave a Reply

Your email address will not be published. Required fields are marked *