Trabalho 1 – EPOS
Idle-waiting Thread Joining
– Este trabalho tinha como objetivo alterar o modo que era feito o “join” em uma Thread. Sendo que o mesmo inicialmente era feito da seguinte maneira:
[code lang=”c”] while(_state != FINISHING)
yield();
[/code]
O mesmo consiste basicamente, em verificar o estado da thread que se esta dando join e caso o estado nao seja FINISHING dar a vez a outro processo. Esta solucao, acarreta no consumo excessivo de recursos ja que o mesmo sempre retorna para a fila de _ready. E eh executado novamente quando o escalonador escolher esta thread. O trabalho pede que seja modificado de modo que o consumo de recursos nao seja excessivo.
Arquivos Modificados:
– thread.cc
– Thread.h
Solucao:
Foi criada uma variável adicional em threads.h, _waiting_for_me, que é um ponteiro para uma thread. Quando o método “join” é chamado, a thread que está executando é colocada no _waiting_for_me da thread chamada e é suspensa. Se a thread já finalizou ou alguém já chamou “join” nela, nada é feito. No método “exit”, caso _waiting_for_me esteja preenchida, é chamado o método “resume” na thread referenciada.
Pensamos em colocar uma lista de referências para várias threads poderem dar “join” na mesma thread, porém vimos na documentação do POSIX que isso era considerado um erro lógico, e achamos que acarretaria um consumo de recursos adicional desnecessário, pois não seria possível usar o _link já existente na thread, já que ela teria de estar tanto na lista de suspensos quanto na lista _waiting_for_me da outra thread.
Explicacao mais detalhada da implementacao escolhida e outras solucoes pensadas.
В этой заметке мы представляем шаги, которые помогут в процессе преодоления зависимостей. Рассматриваются стратегии поддержки и чек-листы для тех, кто хочет сделать первый шаг к выздоровлению. Наша цель — вдохновить читателей на положительные изменения и поддержать их в трудных моментах.
Расширить кругозор по теме – выводе из запоя
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Давно искал, где можно нормально играть, честно говоря, перепробовал кучу сомнительных контор. Но на днях близкий друг посоветовал про мел бет. Решил не полениться и затестить — и очень даже зашло,.
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Will be back, that is the simplest way to say it, and a quick visit to growwithdeliberateaction reinforced the decision, this site has earned a spot in my regular rotation alongside a few other reliable places I check when I want something genuinely informative without all the usual modern web noise getting in the way.
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Знаете, ситуация бывает — близкий совсем плох, а тащить в клинику страшно . Я сам через это прошёл пару лет назад . Сидишь, не знаешь что делать . Начинаешь обзванивать знакомых , а вокруг сплошной развод . Пока кто-то не подсказал один реально работающий вариант. Если нужна немедленная консультация — а везти самому нет возможности , то нужно вызывать врача на дом. Я про нарколога на дом . У нас в Самаре, если честно, тоже полно шарлатанов . Нормальные контакты, кто реально приезжает вот тут : нарколог на дом стоимость нарколог на дом стоимость Честно скажу , после того как вник в детали, понял, как правильно действовать. И про снятие запоя на дому, и про последующее кодирование. Плюс анонимность — это важно . Советую не откладывать.
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világbajnokság fogadási bónusz legjobb tippek
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wollen wir wetten für Heute gewinner
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Этот информационный материал подробно освещает проблему наркозависимости, ее причины и последствия. Мы предлагаем информацию о методах лечения, профилактики и поддерживающих программах. Цель статьи — повысить осведомленность и продвигать идеи о необходимости борьбы с зависимостями.
Кликни, не пожалеешь – вывод из запоя на дому самара
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Обзор посвящён процессу восстановления после зависимостей. Мы расскажем о различных этапах реабилитации, поддерживающих ресурсах и важности мотивации в достижении устойчивого выздоровления.
Обратитесь за информацией – цена вывод из запоя на дому
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