{"id":211577,"date":"2023-12-22T10:17:22","date_gmt":"2023-12-22T02:17:22","guid":{"rendered":"https:\/\/www.idc.net\/help\/211577\/"},"modified":"2023-12-22T10:17:22","modified_gmt":"2023-12-22T02:17:22","slug":"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bf%9d%e6%8a%a4%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/211577\/","title":{"rendered":"Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4fdd\u62a4\u5171\u4eab\u5185\u5b58"},"content":{"rendered":"<p><title id=\"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bf%9d%e6%8a%a4%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98-JFiXDgeNEq\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4fdd\u62a4\u5171\u4eab\u5185\u5b58<\/title><\/p>\n<h1 id=\"linux-%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%ae%89%e5%85%a8%e7%ad%96%e7%95%a5%e6%8a%80%e5%b7%a7%ef%bc%9a%e4%bf%9d%e6%8a%a4%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98-JFiXDgeNEq\">Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4fdd\u62a4\u5171\u4eab\u5185\u5b58<\/h1>\n<p>\u5171\u4eab\u5185\u5b58\u662f\u4e00\u79cd\u5728\u591a\u4e2a\u8fdb\u7a0b\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u7684\u673a\u5236\uff0c\u5b83\u53ef\u4ee5\u63d0\u9ad8\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7684\u6548\u7387\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5171\u4eab\u5185\u5b58\u7684\u7279\u6027\uff0c\u5b83\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u5b89\u5168\u98ce\u9669\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4fdd\u62a4\u5171\u4eab\u5185\u5b58\u7684\u6280\u5de7\uff0c\u5e2e\u52a9\u60a8\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"1-%e9%99%90%e5%88%b6%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98%e7%9a%84%e8%ae%bf%e9%97%ae%e6%9d%83%e9%99%90-JFiXDgeNEq\">1. \u9650\u5236\u5171\u4eab\u5185\u5b58\u7684\u8bbf\u95ee\u6743\u9650<\/h2>\n<p>\u4e3a\u4e86\u4fdd\u62a4\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u6570\u636e\u4e0d\u88ab\u672a\u7ecf\u6388\u6743\u7684\u8fdb\u7a0b\u8bbf\u95ee\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u8bbf\u95ee\u6743\u9650\u6765\u9650\u5236\u5bf9\u5171\u4eab\u5185\u5b58\u7684\u8bbf\u95ee\u3002\u5728Linux\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>chmod<\/code>\u547d\u4ee4\u6765\u4fee\u6539\u5171\u4eab\u5185\u5b58\u7684\u6743\u9650\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c06\u5171\u4eab\u5185\u5b58\u7684\u6743\u9650\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\uff0c\u4ee5\u9632\u6b62\u5176\u4ed6\u8fdb\u7a0b\u5bf9\u5176\u8fdb\u884c\u5199\u64cd\u4f5c\u3002<\/p>\n<pre><code>chmod 400 \/dev\/shm\/shared_memory\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>chown<\/code>\u547d\u4ee4\u6765\u4fee\u6539\u5171\u4eab\u5185\u5b58\u7684\u6240\u6709\u8005\u548c\u6240\u5c5e\u7ec4\uff0c\u4ee5\u8fdb\u4e00\u6b65\u9650\u5236\u5bf9\u5171\u4eab\u5185\u5b58\u7684\u8bbf\u95ee\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e5%af%86%e9%92%a5%e4%bf%9d%e6%8a%a4%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98-JFiXDgeNEq\">2. \u4f7f\u7528\u5bc6\u94a5\u4fdd\u62a4\u5171\u4eab\u5185\u5b58<\/h2>\n<p>\u4e3a\u4e86\u786e\u4fdd\u53ea\u6709\u5177\u6709\u6b63\u786e\u5bc6\u94a5\u7684\u8fdb\u7a0b\u624d\u80fd\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5bc6\u94a5\u6765\u4fdd\u62a4\u5171\u4eab\u5185\u5b58\u3002\u5728Linux\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>ftok<\/code>\u51fd\u6570\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684\u5bc6\u94a5\uff0c\u7136\u540e\u5c06\u8be5\u5bc6\u94a5\u4e0e\u5171\u4eab\u5185\u5b58\u5173\u8054\u8d77\u6765\u3002<\/p>\n<pre><code>key_t key = ftok(\"\/path\/to\/file\", 'R');\nint shmid = shmget(key, SIZE, IPC_CREAT | 0666);\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u5bc6\u94a5\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u53ea\u6709\u77e5\u9053\u5bc6\u94a5\u7684\u8fdb\u7a0b\u624d\u80fd\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e4%bf%a1%e5%8f%b7%e9%87%8f%e8%bf%9b%e8%a1%8c%e5%90%8c%e6%ad%a5-JFiXDgeNEq\">3. \u4f7f\u7528\u4fe1\u53f7\u91cf\u8fdb\u884c\u540c\u6b65<\/h2>\n<p>\u5171\u4eab\u5185\u5b58\u7684\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\u662f\u591a\u4e2a\u8fdb\u7a0b\u540c\u65f6\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4fe1\u53f7\u91cf\u6765\u8fdb\u884c\u540c\u6b65\u3002\u4fe1\u53f7\u91cf\u53ef\u4ee5\u7528\u6765\u63a7\u5236\u5bf9\u5171\u4eab\u5185\u5b58\u7684\u8bbf\u95ee\uff0c\u786e\u4fdd\u6bcf\u6b21\u53ea\u6709\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\u3002<\/p>\n<pre><code>int semid = semget(key, 1, IPC_CREAT | 0666);\nstruct sembuf sb;\nsb.sem_num = 0;\nsb.sem_op = -1;\nsb.sem_flg = 0;\nsemop(semid, &amp;sb, 1);\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u4fe1\u53f7\u91cf\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u6bcf\u6b21\u53ea\u6709\u4e00\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\uff0c\u4ece\u800c\u907f\u514d\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n<h2 id=\"%e7%bb%93%e8%ae%ba-JFiXDgeNEq\">\u7ed3\u8bba<\/h2>\n<p>\u4fdd\u62a4\u5171\u4eab\u5185\u5b58\u662f\u786e\u4fddLinux\u670d\u52a1\u5668\u5b89\u5168\u7684\u91cd\u8981\u4e00\u73af\u3002\u901a\u8fc7\u9650\u5236\u5171\u4eab\u5185\u5b58\u7684\u8bbf\u95ee\u6743\u9650\uff0c\u4f7f\u7528\u5bc6\u94a5\u4fdd\u62a4\u5171\u4eab\u5185\u5b58\uff0c\u4ee5\u53ca\u4f7f\u7528\u4fe1\u53f7\u91cf\u8fdb\u884c\u540c\u6b65\uff0c\u60a8\u53ef\u4ee5\u63d0\u9ad8Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8fdb\u7a0b\u8bbf\u95ee\u5171\u4eab\u5185\u5b58\u4e2d\u7684\u6570\u636e\u3002<\/p>\n<h3 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-JFiXDgeNEq\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u540e\u6d6a\u4e91\u63d0\u4f9b\u9ad8\u6027\u80fd\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u4e3a\u60a8\u7684\u4e1a\u52a1\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u6258\u7ba1\u670d\u52a1\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4fdd\u62a4\u5171\u4eab\u5185\u5b58 Linux \u670d\u52a1\u5668\u5b89\u5168\u7b56\u7565\u6280\u5de7\uff1a\u4fdd\u62a4\u5171\u4eab\u5185\u5b58 \u5171\u4eab\u5185\u5b58\u662f\u4e00\u79cd\u5728\u591a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-211577","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=211577"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/211577\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=211577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=211577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=211577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}