Rustã® std::sync::RwLock ã¯Linuxã§writer starvationå•é¡Œã‚’èµ·ã“ã™ (macOSãªã‚‰å¹³æ°—)ã¾ã¨ã‚: std::sync::RwLock::{write(), try_read()} を併用ã—ãŸå ´åˆã«ã¯ã€Œæ›¸ãè¾¼ã¿ãƒãƒƒã‚¯ã‚’最優先ã€ã¨ã„ã†æŒ™å‹•ã¯å¿…ãšã—も期待ã§ããªã„ (Linuxã§ã¯NG) Pthread ã®è¦ç´„ãŒæŒ™å‹•ã«è‡ªç”±åº¦ã‚’ã‚‚ãŸã›ã¦ãŠã‚Šã€Linuxã«ãŠã‘るデフォルト実装ã§ã¯ writer starvation ãŒç™ºç”Ÿã™ã‚‹ Rustã«ãŠã„㦠writer starvation を回é¿ã—ã¤ã¤ readers-writer lock を使ã†ã«ã¯ parking_lot::RwLock を使ã†ã¨è‰¯ã„ 目次 背景: Readers-writer lock ã¨ã¯ï¼Ÿ 背景: Rustã«ãŠã‘ã‚‹ readers-writer lock 背景: RwLock::write() 㨠RwLock::try_read() å†ç¾ã‚³ãƒ¼ãƒ‰ åŽŸå› åˆ†æž ä¿®æ£: parking_lot::RwLock を使ㆠãŠã‚ã‚Š
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