67 lines
9.6 KiB
Plaintext
67 lines
9.6 KiB
Plaintext
{
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{"id":"6258470f4949a080","type":"text","text":"Многопоточность![[Pasted image 20260114112250.png]]","x":-260,"y":-200,"width":660,"height":380,"color":"4"},
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{"id":"6ccaea3735da0bd3","type":"text","text":"Основы","x":-460,"y":-41,"width":117,"height":62,"color":"1"},
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{"id":"b4d6842f6fc52332","type":"text","text":"**Поток** — это путь выполнения кода","x":-760,"y":-51,"width":200,"height":82},
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{"id":"46522dd855aee84b","type":"text","text":"Главный поток `Main()`","x":-1060,"y":-232,"width":273,"height":64},
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{"id":"8f54d3b1dc116b3e","type":"text","text":"Вторичный поток","x":-1185,"y":-10,"width":250,"height":60},
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{"id":"aa9ddbf0450d791b","type":"text","text":"Суть","x":-520,"y":80,"width":89,"height":50},
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{"id":"15980de9cff620a8","type":"text","text":"Технология, позволяющая выполнять несколько процессов или путей кода одновременно (единовременно).","x":-1020,"y":80,"width":395,"height":114},
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{"id":"696083fd57171c4c","type":"text","text":"Причины использования","x":-68,"y":260,"width":276,"height":63,"color":"1"},
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{"id":"867b3b35a8c59d75","type":"text","text":"Если вызвать длительную функцию (например, чтение данных из сети) в основном потоке, выполнение программы остановится до завершения этой функции.","x":-605,"y":440,"width":408,"height":175},
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{"id":"9eef8698f2f625ca","type":"text","text":"Отзывчивость интерфейса (UX)","x":-95,"y":374,"width":330,"height":66},
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{"id":"e500476e027cc0d2","type":"text","text":"Вынос тяжелых задач (сеть, сложные вычисления) во вторичные потоки позволяет основному потоку всегда оставаться свободным для взаимодействия с пользователем.","x":-165,"y":480,"width":471,"height":187},
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{"id":"a9f7ba58d497a048","type":"text","text":"Синхронное ожидание![[Pasted image 20260115053650.png]]","x":-431,"y":233,"width":295,"height":180},
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{"id":"a8251d2a41f2b441","type":"text","text":"Ожидание внешних событий![[Pasted image 20260115053730.png]]","x":340,"y":228,"width":500,"height":292},
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{"id":"5505e323e62ab27c","x":-660,"y":-380,"width":281,"height":50,"type":"text","text":"Приостановка `Sleep()`"},
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{"id":"f8a77d708c80cc47","x":-681,"y":-480,"width":300,"height":57,"type":"text","text":"Завершение автоматически"},
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{"id":"52f84d7cbaf95536","x":-619,"y":-288,"width":200,"height":50,"type":"text","text":"Запуск `Start()`"},
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{"id":"d3f42bb28e9feddd","x":-304,"y":-288,"width":278,"height":56,"color":"6","type":"text","text":"`using System.Threading`"},
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{"id":"0113f4493a58b147","x":-228,"y":-380,"width":126,"height":50,"color":"1","type":"text","text":"`Thread`"},
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{"id":"2671739f72233c1a","x":-357,"y":-776,"width":384,"height":296,"type":"text","text":"Приоритеты\n\n| Highest | Наивысший |\n| ----------- | ---------------- |\n| AboveNormal | Выше нормального |\n| Normal | Нормальный |\n| BelowNormal | Ниже нормального |\n| Lowest | Низший |\n"},
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{"id":"a0d28350ff78c806","x":92,"y":-640,"width":308,"height":104,"type":"text","text":"**Foreground:** Приложение не закроется, пока работают такие потоки."},
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{"id":"9577582cbbd5011f","x":93,"y":-497,"width":307,"height":92,"type":"text","text":"**IsBackground:** Свойство, определяющее тип потока"},
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{"id":"cbd96f37d745e8cd","x":93,"y":-380,"width":307,"height":142,"type":"text","text":"**Background:** Завершаются автоматически при закрытии основного потока приложения"},
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{"id":"57e32e25c6012900","x":495,"y":-309,"width":190,"height":66,"color":"1","type":"text","text":"Синхронизация потоков"},
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{"id":"122133d297c625a6","x":672,"y":-562,"width":348,"height":111,"type":"text","text":"Несколько потоков одновременно пытаются изменить одни и те же данные."},
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{"id":"b2e7c66362d2fc72","x":486,"y":63,"width":234,"height":50,"color":"1","type":"text","text":"Задачи и async/await"},
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{"id":"df6b7033bbe25e22","x":506,"y":-180,"width":428,"height":140,"type":"text","text":"Task(Задача) — Более высокая абстракция над потоками. Задача — это единица работы, которую нужно выполнить."},
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{"id":"26f55ba1175bc3c2","x":823,"y":-375,"width":348,"height":174,"type":"text","text":"Создается «критическая секция». Пока один поток выполняет код внутри блока `lock`, остальные потоки ждут своей очереди."},
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{"id":"7b9925ae497beca0","x":1108,"y":-110,"width":125,"height":60,"type":"text","text":"`async`"},
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{"id":"e5ffb4095152645a","x":983,"y":150,"width":125,"height":60,"type":"text","text":"`await`"},
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{"id":"ec3f0b7232c43cc7","x":880,"y":266,"width":404,"height":147,"type":"text","text":"Позволяет потоку не «висеть» в ожидании (например, пока скачивается файл), а освободиться для других дел"}
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