{"id":289330,"date":"2024-01-05T05:23:48","date_gmt":"2024-01-04T21:23:48","guid":{"rendered":"https:\/\/lrxjmw.cn\/lcxgxsqrndjc.html"},"modified":"2024-01-05T05:23:48","modified_gmt":"2024-01-04T21:23:48","slug":"lcxgxsqrndjc","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/lcxgxsqrndjc.html","title":{"rendered":"Linux execv\uff1a\u7a0b\u5e8f\u66f4\u65b0\u795e\u5668\uff0c\u8ba9\u4f60\u7684\u8fdb\u7a0b\u7115\u7136\u4e00\u65b0"},"content":{"rendered":"

\u63a5\u4e0b\u6765\u4e3a\u60a8\u63ed\u6653Linux<\/a> \u7684 execv \u4f5c\u7528\u53ca\u7f16\u7a0b\u4e2d\u5b9e\u9645\u8fd0\u7528\u3002\u54b1\u4eec\u5c06\u4f1a\u5206\u6790\u8be5 \u547d\u4ee4<\/a>\u7684\u8fd0\u4f5c\u539f\u7406\u3001\u4f7f\u7528\u65b9\u5f0f\u53ca\u5176\u6ce8\u610f\u4e8b\u5b9clinux execv<\/strong>\uff0c\u5e0c\u671b\u5bf9\u60a8\u52a0\u6df1\u7406\u89e3\u5e76\u7075\u6d3b\u8fd0\u7528\u6b64\u529f\u80fd\u6709\u6240\u5e2e\u52a9\u54e6~<\/p>\n

1. execv\u662f\u4ec0\u4e48\uff1f<\/b><\/p>\n

execv \u662f Linux \u7684\u7cfb\u7edf<\/a>\u529f\u80fd\uff0c\u7528\u4ee5\u5b9e\u73b0\u5f53\u524d\u8fdb\u7a0b\u6267\u884c\u66f4\u65b0\u7a0b\u5e8f\u7684\u8fc7\u7a0b\u3002\u901a\u8fc7\u8fd9\u4e00\u65b9\u6cd5\uff0c\u6211\u4eec\u65e2\u80fd\u66ff\u6362\u73b0\u6709\u8fdb\u7a0b\uff0c\u540c\u65f6\u4e5f\u4fbf\u4e8e\u5411\u65b0\u5efa\u7a0b\u5e8f\u4f20\u9012\u547d\u4ee4\u884c\u53c2\u6570\u3002<\/p>\n

2. execv\u7684\u539f\u7406\u53ca\u5de5\u4f5c\u65b9\u5f0f<\/b><\/p>\n

\u8bf7\u5141\u8bb8\u6211\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u201cexecv\"\u7684\u8fd0\u4f5c\u539f\u7406\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u9009\u62e9\u5e76\u8f7d\u5165\u65b0\u7684\u7a0b\u5e8f\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4ece\u800c\u66ff\u6362\u6b63\u5728\u8fd0\u884c\u4e2d\u7684\u8fdb\u7a0b\u7684\u5185\u5b58\u7a7a\u95f4\u5e76\u542f\u52a8\u8be5\u65b0\u7a0b\u5e8f\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0c\u5b83\u8fd8\u4f1a\u81ea\u52a8\u5173\u95ed\u76ee\u524d\u4ecd\u7136\u5904\u4e8e\u6253\u5f00\u72b6\u6001\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26linux\u670d\u52a1\u5668\u642d\u5efa\uff0c\u540c\u65f6\u628a\u65b0\u7a0b\u5e8f\u6240\u5fc5\u987b\u7684\u73af\u5883\u53d8\u91cf\u4f20\u9012\u5230\u5b83\u90a3\u91cc\u53bb\u3002<\/p>\n

3. execv\u7684\u4f7f\u7528\u65b9\u6cd5<\/b><\/p>\n

\u4e3a\u4e86\u5229\u7528execv\u51fd\u6570\uff0c\u8bf7\u5148\u5728\u4ee3\u7801\u5f00\u5934\u6dfb\u52a0\u76f8\u5173\u5934\u6587\u4ef6\u3002\u7136\u540e\uff0c\u51c6\u5907\u63d0\u4f9b\u4e00\u4efd\u6307\u5411\u53ef\u6267\u884c\u6587\u4ef6\u6240\u5728\u8def\u5f84\u7684\u5b57\u7b26\u4e32\u548c\u4e00\u4e2a\u5305\u542b\u547d\u4ee4\u884c\u53c2\u6570\u7684\u53c2\u6570\u6570\u7ec4\u3002\u6b64\u6570\u7ec4\u7684\u9996\u4e2a\u5143\u7d20\u5e94\u4e3a\u53ef\u6267\u884c\u6587\u4ef6\u5730\u5740\uff0c\u5176\u540e\u7684\u6210\u5458\u5373\u4e3a\u60a8\u5e0c\u671b\u8f6c\u4ea4\u65b0\u8fdb\u7a0b\u4f7f\u7528\u7684\u5176\u4ed6\u547d\u4ee4\u884c\u8f93\u5165\u3002\u6700\u540e\u8c03\u7528execv\u51fd\u6570\u7ea2\u65d7linux\u5b89\u88c5\uff0c\u5b9e\u73b0\u64cd\u4f5c\u3002<\/p>\n

4. execv\u4e0e\u5176\u4ed6exec\u51fd\u6570\u7684\u533a\u522b<\/b><\/p>\n

\u9664\u6b64\u4e4b\u5916\uff0cLinux\u7cfb\u7edf\u4e0a\u8fd8\u6709\u8bb8\u591a\u522b\u7684exec\u5bb6\u65cf\u51fd\u6570\uff0c\u5982\u540cexecvp\u53caexecve\u7b49\u3002\u867d\u7136\u5b83\u4eec\u5728\u53c2\u6570\u4f20\u9012\u4ee5\u53ca\u6587\u4ef6\u641c\u5bfb\u90e8\u5206\u6709\u6240\u533a\u522b\uff0c\u4f46\u5171\u540c\u70b9\u5728\u4e8e\uff0cexecv\u662f\u57fa\u7840\u7684\u7248\u672c\uff0c\u5fc5\u987b\u660e\u786e\u63d0\u4f9b\u53ef\u6267\u884c\u6587\u4ef6\u7684\u5b8c\u6574\u8def\u5f84\u3002<\/p>\n

5. execv\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f<\/b><\/p>\n

\u5728\u7f16\u7a0b\u9886\u57df\u91cc\uff0cexecv\u6709\u7740\u4e30\u5bcc\u7684\u5e94\u7528\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5f53\u60a8\u9700\u8981\u4ece\u4e00\u4e2a\u7a0b\u5e8f\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u65f6linux execv<\/strong>\uff0c\u4fbf\u53ef\u501f\u52a9\u5b83\u6765\u5b9e\u73b0\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u80fd\u534f\u52a9\u7236\u5b50\u8fdb\u7a0b\u95f4\u7684\u8fdb\u7a0b\u4ea4\u6362\u3002<\/p>\n

6.\u4f7f\u7528execv\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879<\/b><\/p>\n

\u5728\u4f7f\u7528execv\u65f6\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

-\u8def\u5f84\u5fc5\u987b\u662f\u53ef\u6267\u884c\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u6216\u8005\u76f8\u5bf9\u8def\u5f84\uff1b<\/p>\n

-\u53ef\u6267\u884c\u6587\u4ef6\u5fc5\u987b\u5177\u6709\u53ef\u6267\u884c\u6743\u9650\uff1b<\/p>\n

-\u53c2\u6570\u6570\u7ec4\u5fc5\u987b\u4ee5NULL\u7ed3\u5c3e\u3002<\/p>\n

7. execv\u7684\u4f18\u7f3a\u70b9<\/b><\/p>\n

\u6ca1\u95ee\u9898\uff01execv\u5177\u6709\u8fc5\u901f\u542f\u52a8\u65b0\u7a0b\u5e8f\u548c\u8282\u7701\u8d44\u6e90\u4f18\u52bf\uff0c\u540c\u65f6\u80fd\u8ba9\u7a0b\u5e8f\u66f4\u5177\u6a21\u5757\u5316\u5e76\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u91cd\u590d\u4f7f\u7528\u6027\u3002\u4f46\u8bf7\u6ce8\u610f\uff0c\u56e0 execv\u4f1a\u53d6\u4ee3\u5f53\u524d\u8fdb\u7a0b\uff0c\u6240\u4ee5\u5728\u8c03\u7528\u4eba\u540e\u7eed\u4ee3\u7801\u5c31\u4e0d\u4f1a\u7ee7\u7eed\u8fd0\u884c\u4e86\u54e6\u3002<\/p>\n

\u5728\u6b64\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u8be6\u7ec6\u63a2\u8ba8\u4e86Linux\u7684execv\u51fd\u6570\uff0c\u6073\u671b\u60a8\u80fd\u4ece\u4e2d\u53d7\u76ca\u532a\u6d45\u3002\u65e0\u8bba\u662f\u5728\u7cfb\u7edf\u7f16\u7a0b\u8fd8\u662f\u8fdb\u7a0b\u7ba1\u7406\u65b9\u9762\uff0c\u7cbe\u901aexecv\u51fd\u6570\u7684\u64cd\u4f5c\u6280\u5de7\u90fd\u81f3\u5173\u91cd\u8981\u3002\u611f\u8c22\u60a8\u9605\u8bfb\u81f3\u6b64\uff0c\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5e2e\u5230\u60a8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

linux execv\u7684\u7cfb\u7edf\u529f\u80fd\uff0c\u7528\u4ee5\u5b9e\u73b0\u5f53\u524d\u8fdb\u7a0b\u6267\u884c\u66f4\u65b0\u7a0b\u5e8f\u7684\u8fc7\u7a0b\u3002\u8bf7\u5141\u8bb8\u6211\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u201cexecv\u7684\u8fd0\u4f5c\u539f\u7406\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u9009\u62e9\u5e76\u8f7d\u5165\u65b0\u7684\u7a0b\u5e8f\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u4ece\u800c\u66ff\u6362\u6b63\u5728\u8fd0\u884c\u4e2d\u7684\u8fdb\u7a0b\u7684\u5185\u5b58\u7a7a\u95f4\u5e76\u542f\u52a8\u8be5\u65b0\u7a0b\u5e8f\u3002execv\u4f1a\u53d6\u4ee3\u5f53\u524d\u8fdb\u7a0b\uff0c\u6240\u4ee5\u5728\u8c03\u7528\u4eba\u540e\u7eed\u4ee3\u7801\u5c31\u4e0d\u4f1a\u7ee7\u7eed\u8fd0\u884c\u4e86\u54e6\u3002<\/p>\n","protected":false},"author":1,"featured_media":289331,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[988],"tags":[999],"class_list":["post-289330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tougao","tag-999"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/289330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=289330"}],"version-history":[{"count":0,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/289330\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/289331"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=289330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=289330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=289330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}