{"id":6285,"date":"2024-07-10T14:40:19","date_gmt":"2024-07-10T06:40:19","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6285"},"modified":"2024-07-10T14:40:19","modified_gmt":"2024-07-10T06:40:19","slug":"ios-%e4%b8%ad%e7%9a%84%e9%94%81%e6%9c%ba%e5%88%b6%ef%bc%88objective-c-%e5%92%8c-swift%ef%bc%89","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6285","title":{"rendered":"iOS \u4e2d\u7684\u9501\u673a\u5236\uff08Objective-C \u548c Swift\uff09"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u975e\u539f\u521b\u3001Gemini \u95ee\u7b54\u751f\u6210<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">iOS \u4e2d\u7684\u9501\u673a\u5236\uff08Objective-C \u548c Swift\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9501\u673a\u5236\u662f\u5e76\u53d1\u7f16\u7a0b\u4e2d\u7528\u4e8e\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u5173\u952e\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u9632\u6b62\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bbf\u95ee\u548c\u4fee\u6539\u5171\u4eab\u8d44\u6e90\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u548c\u7a0b\u5e8f\u5d29\u6e83\u3002iOS \u63d0\u4f9b\u4e86\u591a\u79cd\u9501\u673a\u5236\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e76\u53d1\u7f16\u7a0b\u573a\u666f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Objective-C \u4e2d\u7684\u9501\u673a\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Objective-C \u63d0\u4f9b\u4ee5\u4e0b\u5e38\u7528\u7684\u9501\u673a\u5236\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e92\u65a5\u9501\uff08Mutex\uff09\uff1a<\/strong> \u4e92\u65a5\u9501\u662f\u6700\u57fa\u672c\u7684\u9501\u673a\u5236\uff0c\u5b83\u786e\u4fdd\u4e00\u6b21\u53ea\u80fd\u6709\u4e00\u4e2a\u7ebf\u7a0b\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">pthread_mutex_t<\/code> \u7ed3\u6784\u4f53\u548c\u76f8\u5173\u51fd\u6570\u6765\u521b\u5efa\u548c\u4f7f\u7528\u4e92\u65a5\u9501\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u65cb\u9501\uff08Spinlock\uff09\uff1a<\/strong> \u81ea\u65cb\u9501\u4e0e\u4e92\u65a5\u9501\u7c7b\u4f3c\uff0c\u4f46\u5b83\u4f1a\u5728\u83b7\u53d6\u9501\u5931\u8d25\u65f6\u4e00\u76f4\u5faa\u73af\u5c1d\u8bd5\uff0c\u800c\u4e0d\u662f\u7b49\u5f85\u3002\u81ea\u65cb\u9501\u901a\u5e38\u7528\u4e8e\u7ade\u4e89\u8f83\u5c11\u7684\u60c5\u51b5\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u51cf\u5c11\u7ebf\u7a0b\u4e4b\u95f4\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">OSSpinLock<\/code> \u7ed3\u6784\u4f53\u548c\u76f8\u5173\u51fd\u6570\u6765\u521b\u5efa\u548c\u4f7f\u7528\u81ea\u65cb\u9501\u3002<\/li>\n\n\n\n<li><strong>\u8bfb\u5199\u9501\uff08ReadWriteLock\uff09\uff1a<\/strong> \u8bfb\u5199\u9501\u5141\u8bb8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bfb\u53d6\u5171\u4eab\u8d44\u6e90\uff0c\u4f46\u53ea\u80fd\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5199\u5165\u5171\u4eab\u8d44\u6e90\u3002\u8fd9\u4f7f\u5f97\u8bfb\u64cd\u4f5c\u53ef\u4ee5\u5e76\u53d1\u6267\u884c\uff0c\u800c\u4e0d\u4f1a\u963b\u585e\u5199\u64cd\u4f5c\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">pthread_rwlock_t<\/code> \u7ed3\u6784\u4f53\u548c\u76f8\u5173\u51fd\u6570\u6765\u521b\u5efa\u548c\u4f7f\u7528\u8bfb\u5199\u9501\u3002<\/li>\n\n\n\n<li><strong>\u6761\u4ef6\u9501\uff08ConditionLock\uff09\uff1a<\/strong> \u6761\u4ef6\u9501\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u4e92\u65a5\u9501\uff0c\u5b83\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u529f\u80fd\u6765\u7b49\u5f85\u67d0\u4e9b\u6761\u4ef6\u6ee1\u8db3\u540e\u518d\u7ee7\u7eed\u6267\u884c\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">pthread_cond_t<\/code> \u548c <code class=\"\">pthread_mutex_t<\/code> \u7ed3\u6784\u4f53\u4ee5\u53ca\u76f8\u5173\u51fd\u6570\u6765\u521b\u5efa\u548c\u4f7f\u7528\u6761\u4ef6\u9501\u3002<\/li>\n\n\n\n<li><strong>\u9012\u5f52\u9501\uff08RecursiveLock\uff09\uff1a<\/strong> \u9012\u5f52\u9501\u662f\u4e00\u79cd\u4e92\u65a5\u9501\uff0c\u5b83\u5141\u8bb8\u540c\u4e00\u4e2a\u7ebf\u7a0b\u591a\u6b21\u83b7\u53d6\u540c\u4e00\u4e2a\u9501\u3002\u8fd9\u4f7f\u5f97\u9012\u5f52\u9501\u9002\u7528\u4e8e\u9700\u8981\u5728\u5d4c\u5957\u8c03\u7528\u4e2d\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\u7684\u60c5\u51b5\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">pthread_mutex_t<\/code> \u7ed3\u6784\u4f53\u548c\u76f8\u5173\u51fd\u6570\u6765\u521b\u5efa\u548c\u4f7f\u7528\u9012\u5f52\u9501\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Swift \u4e2d\u7684\u9501\u673a\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Swift \u63d0\u4f9b\u4e86\u4ee5\u4e0b\u5e38\u7528\u7684\u9501\u673a\u5236\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>Mutex<\/code>\uff1a<\/strong> <code class=\"\">Mutex<\/code> \u662f Swift \u4e2d\u7684\u4e92\u65a5\u9501\u7c7b\u578b\uff0c\u5b83\u4e0e Objective-C \u4e2d\u7684 <code class=\"\">pthread_mutex_t<\/code> \u7c7b\u4f3c\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">lock()<\/code> \u548c <code class=\"\">unlock()<\/code> \u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u91ca\u653e <code class=\"\">Mutex<\/code> \u9501\u3002<\/li>\n\n\n\n<li><strong><code>ValueLock<\/code>\uff1a<\/strong> <code class=\"\">ValueLock<\/code> \u662f Swift \u4e2d\u7684\u4e00\u79cd\u7279\u6b8a\u9501\uff0c\u5b83\u7528\u4e8e\u4fdd\u62a4\u53ef\u53d8\u503c\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">lock()<\/code> \u548c <code class=\"\">unlock()<\/code> \u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u91ca\u653e <code class=\"\">ValueLock<\/code> \u9501\uff0c\u5e76\u5728\u9501\u7684\u4fdd\u62a4\u4e0b\u8bfb\u5199\u503c\u3002<\/li>\n\n\n\n<li><strong><code>ConditionLock<\/code>\uff1a<\/strong> <code class=\"\">ConditionLock<\/code> \u662f Swift \u4e2d\u7684\u6761\u4ef6\u9501\u7c7b\u578b\uff0c\u5b83\u4e0e Objective-C \u4e2d\u7684 <code class=\"\">pthread_cond_t<\/code> \u548c <code class=\"\">pthread_mutex_t<\/code> \u7c7b\u4f3c\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">wait()<\/code>\u3001<code class=\"\">signal()<\/code> \u548c <code class=\"\">broadcast()<\/code> \u65b9\u6cd5\u6765\u7b49\u5f85\u3001\u5524\u9192\u548c\u5e7f\u64ad\u6761\u4ef6\u3002<\/li>\n\n\n\n<li><strong><code>RecursiveLock<\/code>\uff1a<\/strong> <code class=\"\">RecursiveLock<\/code> \u662f Swift \u4e2d\u7684\u9012\u5f52\u9501\u7c7b\u578b\uff0c\u5b83\u4e0e Objective-C \u4e2d\u7684 <code class=\"\">pthread_mutex_t<\/code> \u7c7b\u4f3c\u3002\u53ef\u4ee5\u4f7f\u7528 <code class=\"\">lock()<\/code> \u548c <code class=\"\">unlock()<\/code> \u65b9\u6cd5\u6765\u83b7\u53d6\u548c\u91ca\u653e <code class=\"\">RecursiveLock<\/code> \u9501\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u9009\u62e9\u5408\u9002\u7684\u9501\u673a\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u9009\u62e9\u5408\u9002\u7684\u9501\u673a\u5236\u65f6\uff0c\u5e94\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u6a21\u5f0f\uff1a<\/strong> \u5982\u679c\u5171\u4eab\u8d44\u6e90\u53ea\u5141\u8bb8\u4e00\u4e2a\u7ebf\u7a0b\u5199\u5165\uff0c\u5219\u5e94\u4f7f\u7528\u4e92\u65a5\u9501\u6216\u9012\u5f52\u9501\u3002\u5982\u679c\u5171\u4eab\u8d44\u6e90\u5141\u8bb8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bfb\u53d6\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u8bfb\u5199\u9501\u3002<\/li>\n\n\n\n<li><strong>\u7ade\u4e89\u7684\u7a0b\u5ea6\uff1a<\/strong> \u5982\u679c\u7ade\u4e89\u6fc0\u70c8\uff0c\u5219\u5e94\u4f7f\u7528\u81ea\u65cb\u9501\u6216 <code class=\"\">ValueLock<\/code>\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u51cf\u5c11\u7ebf\u7a0b\u4e4b\u95f4\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u3002<\/li>\n\n\n\n<li><strong>\u5d4c\u5957\u8c03\u7528\u7684\u60c5\u51b5\uff1a<\/strong> \u5982\u679c\u9700\u8981\u5728\u5d4c\u5957\u8c03\u7528\u4e2d\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\uff0c\u5219\u5e94\u4f7f\u7528\u9012\u5f52\u9501\u3002<\/li>\n\n\n\n<li><strong>\u6761\u4ef6\u7b49\u5f85\u7684\u60c5\u51b5\uff1a<\/strong> \u5982\u679c\u9700\u8981\u7b49\u5f85\u67d0\u4e9b\u6761\u4ef6\u6ee1\u8db3\u540e\u518d\u7ee7\u7eed\u6267\u884c\uff0c\u5219\u5e94\u4f7f\u7528\u6761\u4ef6\u9501\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u9501\u673a\u5236\u4f7f\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4fdd\u62a4\u5171\u4eab\u6570\u636e\u7ed3\u6784\uff1a<\/strong> \u4f7f\u7528\u4e92\u65a5\u9501\u6216\u9012\u5f52\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u6570\u636e\u7ed3\u6784\uff0c\u4f8b\u5982\u94fe\u8868\u3001\u54c8\u5e0c\u8868\u7b49\u3002<\/li>\n\n\n\n<li><strong>\u540c\u6b65\u591a\u4e2a\u7ebf\u7a0b\u7684\u6267\u884c\uff1a<\/strong> \u4f7f\u7528\u6761\u4ef6\u9501\u6765\u540c\u6b65\u591a\u4e2a\u7ebf\u7a0b\u7684\u6267\u884c\uff0c\u4f8b\u5982\u7b49\u5f85\u6240\u6709\u5b50\u7ebf\u7a0b\u5b8c\u6210\u4efb\u52a1\u540e\u518d\u7ee7\u7eed\u6267\u884c\u4e3b\u7ebf\u7a0b\u3002<\/li>\n\n\n\n<li><strong>\u8bfb\u5199\u64cd\u4f5c\u7684\u5e76\u53d1\u63a7\u5236\uff1a<\/strong> \u4f7f\u7528\u8bfb\u5199\u9501\u6765\u63a7\u5236\u5bf9\u5171\u4eab\u6570\u636e\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u5141\u8bb8\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u8bfb\u53d6\u6570\u636e\uff0c\u4f46\u53ea\u80fd\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5199\u5165\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u603b\u800c\u8a00\u4e4b\uff0ciOS \u63d0\u4f9b\u4e86\u591a\u79cd\u9501\u673a\u5236\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u5e76\u53d1\u7f16\u7a0b\u9700\u6c42\u3002\u5f00\u53d1\u4eba\u5458\u5e94\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u9501\u673a\u5236\uff0c\u5e76\u6ce8\u610f\u907f\u514d\u6b7b\u9501\u548c\u5176\u4ed6\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u975e\u539f\u521b\u3001Gemini \u95ee\u7b54\u751f\u6210 iOS \u4e2d\u7684\u9501\u673a\u5236\uff08Objective-C \u548c Swift\uff09 \u9501\u673a\u5236\u662f\u5e76\u53d1\u7f16\u7a0b&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6285\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[66,114,112],"class_list":["post-6285","post","type-post","status-publish","format-standard","hentry","category-5","tag-ios","tag-114","tag-112"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6285","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6285"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6285\/revisions"}],"predecessor-version":[{"id":6286,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6285\/revisions\/6286"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}