{"id":37515,"date":"2023-12-11T14:41:45","date_gmt":"2023-12-11T06:41:45","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=37515"},"modified":"2023-12-11T14:41:45","modified_gmt":"2023-12-11T06:41:45","slug":"%e8%af%b4%e8%af%b4%e7%ba%bf%e7%a8%8b%e4%bc%98%e5%85%88%e7%ba%a7%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b4%e8%af%b4%e7%ba%bf%e7%a8%8b%e4%bc%98%e5%85%88%e7%ba%a7%ef%bc%9f\/","title":{"rendered":"\u8bf4\u8bf4\u7ebf\u7a0b\u4f18\u5148\u7ea7\uff1f"},"content":{"rendered":"

“`” \u7406\u8bba\u4e0a\u6765\u8bf4\u7cfb\u7edf\u4f1a\u6839\u636e\u4f18\u5148\u7ea7\u6765\u51b3\u5b9a\u9996\u5148\u4f7f\u54ea\u4e2a\u7ebf\u7a0b\u8fdb\u5165\u8fd0\u884c\u72b6\u6001\u3002\u5f53 CPU \u6bd4\u8f83\u95f2\u7684\u65f6\u5019\uff0c\u8bbe\u7f6e\u7ebf\u7a0b\u4f18\u5148\u7ea7\u51e0\u4e4e\u4e0d\u4f1a\u6709\u4efb\u4f55\u4f5c\u7528\uff0c\u800c\u4e14\u5f88\u591a\u64cd\u4f5c\u7cfb\u7edf\u538b\u6839\u4e0d\u4f1a\u4e0d\u4f1a\u7406\u4f1a\u4f60\u8bbe\u7f6e\u7684\u7ebf\u7a0b\u4f18\u5148\u7ea7\uff0c\u6240\u4ee5\u4e0d\u8981\u8ba9\u4e1a\u52a1\u8fc7\u5ea6\u4f9d\u8d56\u4e8e\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u3002<\/p>\n

\u53e6\u5916\uff0c<strong>\u7ebf\u7a0b\u4f18\u5148\u7ea7\u5177\u6709\u7ee7\u627f\u7279\u6027<\/strong>\u6bd4\u5982 A \u7ebf\u7a0b\u542f\u52a8 B \u7ebf\u7a0b\uff0c\u5219 B \u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u548c A \u662f\u4e00\u6837\u7684\u3002<strong>\u7ebf\u7a0b\u4f18\u5148\u7ea7\u8fd8\u5177\u6709\u968f\u673a\u6027<\/strong> \u4e5f\u5c31\u662f\u8bf4\u7ebf\u7a0b\u4f18\u5148\u7ea7\u9ad8\u7684\u4e0d\u4e00\u5b9a\u6bcf\u4e00\u6b21\u90fd\u5148\u6267\u884c\u5b8c\u3002<\/p>\n

Thread \u7c7b\u4e2d\u5305\u542b\u7684\u6210\u5458\u53d8\u91cf\u4ee3\u8868\u4e86\u7ebf\u7a0b\u7684\u67d0\u4e9b\u4f18\u5148\u7ea7\u3002\u5982<strong>Thread.MIN_PRIORITY\uff08\u5e38\u6570 1\uff09<\/strong>\uff0c<strong>Thread.NORM_PRIORITY\uff08\u5e38\u6570 5\uff09<\/strong>,<strong>Thread.MAX_PRIORITY\uff08\u5e38\u6570 10\uff09<\/strong>\u3002\u5176\u4e2d\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u90fd\u5728<strong>1<\/strong> \u5230<strong>10<\/strong> \u4e4b\u95f4\uff0c\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f18\u5148\u7ea7\u90fd\u662f<strong>Thread.NORM_PRIORITY\uff08\u5e38\u6570 5\uff09<\/strong>\u3002<\/p>\n

<strong>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4e0d\u4f1a\u5bf9\u7ebf\u7a0b\u8bbe\u5b9a\u4f18\u5148\u7ea7\u522b\uff0c\u66f4\u4e0d\u4f1a\u8ba9\u67d0\u4e9b\u4e1a\u52a1\u4e25\u91cd\u5730\u4f9d\u8d56\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u522b\uff0c\u6bd4\u5982\u6743\u91cd\uff0c\u501f\u52a9\u4f18\u5148\u7ea7\u8bbe\u5b9a\u67d0\u4e2a\u4efb\u52a1\u7684\u6743\u91cd\uff0c\u8fd9\u79cd\u65b9\u5f0f\u662f\u4e0d\u53ef\u53d6\u7684\uff0c\u4e00\u822c\u5b9a\u4e49\u7ebf\u7a0b\u7684\u65f6\u5019\u4f7f\u7528\u9ed8\u8ba4\u7684\u4f18\u5148\u7ea7\u5c31\u597d\u4e86\u3002<\/strong><\/p>\n

<strong>\u76f8\u5173\u65b9\u6cd5\uff1a<\/strong><\/p>\n

<pre><code>public final void setPriority(int newPriority) \/\/\u4e3a\u7ebf\u7a0b\u8bbe\u5b9a\u4f18\u5148\u7ea7public final int getPriority() \/\/\u83b7\u53d6\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7<\/code><\/pre><\/p>\n

<strong>\u8bbe\u7f6e\u7ebf\u7a0b\u4f18\u5148\u7ea7\u65b9\u6cd5\u6e90\u7801\uff1a<\/strong><\/p>\n

<pre><code> public final void setPriority(int newPriority) { ThreadGroup g; checkAccess(); \/\/\u7ebf\u7a0b\u6e38\u620f\u4f18\u5148\u7ea7\u4e0d\u80fd\u5c0f\u4e8e 1 \u4e5f\u4e0d\u80fd\u5927\u4e8e 10\uff0c\u5426\u5219\u4f1a\u629b\u51fa\u5f02\u5e38 if (newPriority > MAX_PRIORITY || newPriority < MIN_PRIORITY) { throw new IllegalArgumentException(); } \/\/\u5982\u679c\u6307\u5b9a\u7684\u7ebf\u7a0b\u4f18\u5148\u7ea7\u5927\u4e8e\u8be5\u7ebf\u7a0b\u6240\u5728\u7ebf\u7a0b\u7ec4\u7684\u6700\u5927\u4f18\u5148\u7ea7\uff0c\u90a3\u4e48\u8be5\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u5c06\u8bbe\u4e3a\u7ebf\u7a0b\u7ec4\u7684\u6700\u5927\u4f18\u5148\u7ea7 if((g = getThreadGroup()) != null) { if (newPriority > g.getMaxPriority()) { newPriority = g.getMaxPriority(); } setPriority0(priority = newPriority); } }<\/code><\/pre><\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u7406\u8bba\u4e0a\u6765\u8bf4\u7cfb\u7edf\u4f1a\u6839\u636e\u4f18\u5148\u7ea7\u6765\u51b3\u5b9a\u9996\u5148\u4f7f\u54ea\u4e2a\u7ebf\u7a0b\u8fdb\u5165\u8fd0\u884c\u72b6\u6001\u3002\u5f53 CPU \u6bd4\u8f83\u95f2 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-37515","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/37515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=37515"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/37515\/revisions"}],"predecessor-version":[{"id":37516,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/37515\/revisions\/37516"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=37515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=37515"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=37515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}