{"id":4472,"date":"2015-01-04T13:55:26","date_gmt":"2015-01-04T05:55:26","guid":{"rendered":"http:\/\/edsionte.com\/techblog\/?p=4472"},"modified":"2015-09-07T20:35:16","modified_gmt":"2015-09-07T12:35:16","slug":"open%e5%9c%a8linux%e5%86%85%e6%a0%b8%e7%9a%84%e5%ae%9e%e7%8e%b02-%e5%9f%ba%e6%9c%ac%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"http:\/\/edsionte.com\/techblog\/archives\/4472","title":{"rendered":"open()\u5728Linux\u5185\u6838\u7684\u5b9e\u73b0(1)-\u57fa\u672c\u5b9e\u73b0"},"content":{"rendered":"<h2>1.\u57fa\u672c\u8bf4\u660e<\/h2>\n<p>\u5728\u7528\u6237\u6001\u4f7f\u7528open()\u65f6\uff0c\u5fc5\u987b\u5411\u8be5\u51fd\u6570\u4f20\u5165\u6587\u4ef6\u8def\u5f84\u548c\u6253\u5f00\u6743\u9650\u3002\u8fd9\u4e24\u4e2a\u53c2\u6570\u4f20\u5165\u5185\u6838\u540e\uff0c\u5185\u6838\u9996\u5148\u68c0\u67e5\u8fd9\u4e2a\u6587\u4ef6\u8def\u5f84\u5b58\u5728\u7684\u5408\u6cd5\u6027\uff0c\u540c\u65f6\u8fd8\u9700\u68c0\u67e5\u4f7f\u7528\u8005\u662f\u5426\u6709\u5408\u6cd5\u6743\u9650\u6253\u5f00\u8be5\u6587\u4ef6\u3002\u5982\u679c\u4e00\u5207\u987a\u5229\uff0c\u90a3\u4e48\u5185\u6838\u5c06\u5bf9\u8bbf\u95ee\u8be5\u6587\u4ef6\u7684\u8fdb\u7a0b\u521b\u5efa\u4e00\u4e2afile\u7ed3\u6784\u3002<\/p>\n<p>\u5728\u7528\u6237\u6001\uff0c\u901a\u5e38open()\u5728\u64cd\u4f5c\u6210\u529f\u65f6\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\uff0c\u5373\u6240\u8c13\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff08fd\uff0cfile 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class=\"brush: cpp; title: ; notranslate\" title=\"\">SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, int, mode);<\/pre>\n<p>\u8be5\u51fd\u6570\u5185\u90e8\u76f4\u63a5\u8c03\u7528\u4e86do_sys_open\u51fd\u6570\uff0c\u5177\u4f53\u58f0\u660e\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: cpp; title: ; notranslate\" title=\"\">long do_sys_open(int dfd, const char __user *filename, int flags, int 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\u5728\u7528\u6237\u6001\u4f7f\u7528open()\u65f6\uff0c\u5fc5\u987b\u5411\u8be5\u51fd\u6570\u4f20\u5165\u6587\u4ef6\u8def\u5f84\u548c\u6253\u5f00\u6743\u9650\u3002\u8fd9\u4e24\u4e2a\u53c2\u6570\u4f20\u5165\u5185\u6838\u540e\uff0c\u5185\u6838\u9996\u5148\u68c0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[110,175],"tags":[391,390,392,179],"class_list":{"0":"post-4472","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-linux","7":"category-175","8":"tag-do_sys_open","9":"tag-open","11":"tag-179"},"views":12184,"_links":{"self":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/4472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/comments?post=4472"}],"version-history":[{"count":10,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/4472\/revisions"}],"predecessor-version":[{"id":4545,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/posts\/4472\/revisions\/4545"}],"wp:attachment":[{"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/media?parent=4472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/categories?post=4472"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/edsionte.com\/techblog\/wp-json\/wp\/v2\/tags?post=4472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}