[B! thread] func09ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

func09 id:func09

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Queueã‚’ä½¿ã£ãŸãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ - ã†ãªã®æ—¥è¨˜
Queueã‚’ä½¿ã†ã¨ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ãŒç°¡å˜ã«ä½œã‚Œã¾ã™ã€‚ ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰(=ä»•äº‹ã‚’ã™ã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰)ã¯ã€ã‚ãƒ¥ãƒ¼ã‹ã‚‰é †ç•ªã«ä»•äº‹ã‚’å–ã‚Šå‡ºã—ã¦å®Ÿè¡Œã™ã‚‹ã‚¹ãƒ¬ãƒƒãƒ‰ã§ã™ã€‚ ã“ã‚Œã¨ã¯åˆ¥ã«å®šæœŸçš„ã«ä»•äº‹ã‚’ç©ã‚€ã‚¹ãƒ¬ãƒƒãƒ‰ãŒã„ã¦ã€ ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ã¯â†‘ã‹ã‚‰ä»•äº‹ãŒç©ã¾ã‚ŒãŸå ´åˆã«ãã‚Œã‚’å–ã‚Šå‡ºã—ã¦å®Ÿè¡Œã—ã¾ã™ã€‚ ä»•äº‹ãŒãªã‘ã‚Œã°ã€ç©ã¾ã‚Œã‚‹ã¾ã§å¾…ã¤ã¨ã„ã†å‹•ä½œã‚’ã—ã¾ã™ã€‚ ã“ã“ã§ã€ã‚ãƒ¥ãƒ¼ã¸ã®ä»•äº‹ã®è¿½åŠ ã¨ã€ã‚ãƒ¥ãƒ¼ã‹ã‚‰ã®ä»•äº‹ã®å–å¾—ã¯ã€åˆ¥ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã§è¡Œã‚ã‚Œã‚‹ãŸã‚ã€åŒæœŸåˆ¶å¾¡ãŒå¿…è¦ã«ãªã‚Šã¾ã™ã€‚ Queueã‚’ä½¿ã†ã¨ã€ä»•äº‹ã‚’ç©ã‚€äººã¨ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ã®åŒæœŸåˆ¶å¾¡ãŒå†…éƒ¨ã§éš è”½ã•ã‚Œã‚‹ãŸã‚ã€å¤–å´ã§ã®åŒæœŸåŒ–ãªã—ã«ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ä½œã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ Queueã®APIã¯popã¨pushãŒã‚ã‚Šã¾ã™ã€‚(ä»–ã«ã‚‚ã‚ã‚‹ã‘ã©) Queue#popã§è¦ç´ ã‚’å–ã‚Šå‡ºã—ã¾ã™ã€‚ã“ã®ã¨ãã€queueãŒç©ºã®æ™‚ã€å‘¼å‡ºå…ƒã®ã‚¹ãƒ¬ãƒƒãƒ‰ã¯åœæ¢(ãƒ–ãƒãƒƒã‚¯)ã•ã‚Œã¾ã™ã€‚ Queue#pushã§è¦ç´ ã‚’
func09 2009/02/11
ruby

thread
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Mutex - ã†ãªã®æ—¥è¨˜
Threadé–“ã®å‡¦ç†ã®åŒæœŸã«ã¯Mutexã‚’ä½¿ã„ã¾ã™ã€‚ Mutex#synchronizeã§ Mutexã®ãƒãƒƒã‚¯ã®ç²å¾— ãƒ–ãƒãƒƒã‚¯ã®å‡¦ç†ã‚’å®Ÿè¡Œã€‚ ãƒãƒƒã‚¯ã®è§£é™¤ ã‚’è¡Œã„ã¾ã™ã€‚Javaã®synchronizedãƒ–ãƒãƒƒã‚¯ã¨ä¼¼ãŸæ„Ÿã˜ã§ä½¿ãˆã¾ã™ã€‚ require 'thread' m = Mutex.new ts = [] 3.times { |j| ts << Thread.start { m.synchronize { # ãƒ–ãƒãƒƒã‚¯å†…ã®å‡¦ç†ãŒåŒæœŸå®Ÿè¡Œã•ã‚Œã‚‹ã€‚ 5.times { |i| puts "thread-" << j.to_s << " : " << i.to_s sleep rand * 0.1 } } } } ts.each {|t| t.join } å®Ÿè¡Œçµæžœã§ã™ã€‚ãƒ–ãƒãƒƒã‚¯å†…ã®å‡¦ç†ãŒåŒæœŸå®Ÿè¡Œã•ã‚Œã¦ã„ã¾ã™ã€‚ thread-0 : 0 thread-0 : 1 thread-0 : 2 t
func09 2009/02/11
ruby

thread
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Threadã®è©± - GIOã®æ—¥è¨˜
æœ€è¿‘Rubyã§ã‚¯ãƒãƒ¼ãƒ©ã‚’æ›¸ã„ãŸã€‚ ãªã‹ãªã‹æ°—åˆã„ã®å…¥ã£ãŸå‹•ãã‚’ã¿ã›ã€ä¸€æ™©ã§3Gãƒã‚¤ãƒˆã‚‚ã®ãƒ‡ãƒ¼ã‚¿ã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ãã‚‹ã€‚ ã¾ãŸã€ãã‚Œã«æ¯”ä¾‹ã—ã¦å‡¦ç†ã‚‚é…ããªã‚‹ç‚ºã€Threadã‚’ä½¿ã†ã“ã¨ã«ã—ãŸã€‚ Rubyã§ã®Threadã¯ã‚°ãƒªãƒ¼ãƒ³ã‚¹ãƒ¬ãƒƒãƒ‰ã€ã¤ã¾ã‚Š1ã¤ã®ã‚«ãƒ¼ãƒãƒ«ã‚¹ãƒ¬ãƒƒãƒ‰ã«å¯¾ã—ã¦è¤‡æ•°ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ãŒå‹•ä½œã—ã¦ã„ã‚‹ç‚ºã€ä¸¦è¡Œçš„ã«ã¯å‹•ä½œã§ãã‚‹ãŒã€ä¸¦åˆ—ã«ã¯å‹•ã‹ãªã„ã€‚ã¤ã¾ã‚Šé€Ÿããªã‚‰ãªã„ã€‚ ã—ã‹ã—ã‚¯ãƒãƒ¼ãƒ©ã®ã‚ˆã†ã«ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ãŒãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¨ãƒ‡ã‚£ã‚¹ã‚¯IOã®å ´åˆã€å¾…ã¡æ™‚é–“ã«ä»–ã®å‡¦ç†ãŒã§ãã‚‹ã®ã§ãã“ãã“æœ‰ç”¨ã§ã™ã€‚ å•é¡Œã¨ã—ã¦Rubyã®Threadã¯ã¨ã«ã‹ãé…ã„ã€‚ã‚³ã‚¹ãƒˆãŒé«˜ã™ãŽã€‚ã‚¹ã‚¤ãƒƒãƒãƒ³ã‚°é…ã™ãŽã€‚ æœ¬æ¥ã¯ (1..10000).map { |e| Thread.start { e**2 } }.map{ |th| th.value } ã¿ãŸã„ã«Threadã‚’ä½¿ã„æ¨ã¦ã«ã—ãŸã„ã€‚æ¥½ã ã—ã€‚ ã§ã‚‚ãƒªã‚½ãƒ¼ã‚¹ãŒã‚‚ã£ãŸã„ãªã•éŽãŽ
func09 2009/02/10
ruby

thread
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