{"id":295235,"date":"2024-12-28T20:11:25","date_gmt":"2024-12-28T12:11:25","guid":{"rendered":"https:\/\/lrxjmw.cn\/srjxldmwjncy.html"},"modified":"2024-12-28T20:11:25","modified_gmt":"2024-12-28T12:11:25","slug":"srjxldmwjncy","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/srjxldmwjncy.html","title":{"rendered":"\u6df1\u5165\u89e3\u6790Linux\u7684mmap\u6587\u4ef6\uff1a\u5185\u5b58\u6620\u5c04\u6280\u672f\u7684\u5173\u952e\u4f5c\u7528\u4e0e\u539f\u7406"},"content":{"rendered":"

\u5728\u73b0\u4ee3\u64cd\u4f5c\u7cfb\u7edf\u91cc\uff0cLinux<\/a>\u7684mmap\u6587\u4ef6\u626e\u6f14\u7740\u5173\u952e\u89d2\u8272\u3002mmap\u662f\u4e00\u79cd\u5185\u5b58\u6620\u5c04\u6280\u672f\uff0c\u5b83\u80fd\u4f7f\u8fdb\u7a0b\u628a\u6587\u4ef6\u6620\u5c04\u5230\u5185\u5b58\uff0c\u4eff\u4f5b\u76f4\u63a5\u5728\u5185\u5b58\u91cc\u64cd\u4f5c\u6587\u4ef6\u3002\u8fd9\u79cd\u6280\u672f\u7528\u9014\u5e7f\u6cdb\uff0c\u5bf9\u6df1\u5165\u7406\u89e3Linux\u7684\u6587\u4ef6\u64cd\u4f5c\u548c\u5185\u5b58\u7ba1\u7406\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

mmap\u7684\u57fa\u672c\u539f\u7406<\/b><\/p>\n

mmap\u901a\u8fc7\u521b\u5efa\u5185\u5b58\u4e0e\u6587\u4ef6\u95f4\u7684\u6620\u5c04\u6765\u5b9e\u73b0\u529f\u80fd\u3002\u5728Linux\u7cfb\u7edf\u91cc\uff0c\u6bcf\u4e2a\u8fdb\u7a0b\u90fd\u62e5\u6709\u72ec\u7acb\u7684\u5730\u5740\u7a7a\u95f4\u3002\u501f\u52a9mmap\uff0c\u6587\u4ef6\u5185\u5bb9\u80fd\u591f\u6620\u5c04\u5230\u8fdb\u7a0b\u7684\u5730\u5740\u7a7a\u95f4\u4e2d\uff0c\u4f7f\u5f97\u8fdb\u7a0b\u8bbf\u95ee\u8fd9\u90e8\u5206\u6620\u5c04\u7684\u5185\u5b58\u65f6\uff0c\u5c31\u50cf\u662f\u5728\u76f4\u63a5\u8bbf\u95ee\u6587\u4ef6\u3002\u4ece\u5185\u6838\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u8fd9\u6d89\u53ca\u5230\u865a\u62df\u5185\u5b58\u7ba1\u7406\u7b49\u4e00\u7cfb\u5217\u590d\u6742\u7684\u673a\u5236\uff0c\u9700\u8981\u534f\u8c03\u5185\u5b58\u533a\u57df\u64cd\u4f5c\u4e0e\u6587\u4ef6\u7cfb\u7edf\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u6bd4\u5982linux mmap \u6587\u4ef6<\/strong>\uff0c\u5f53\u5411\u6620\u5c04\u533a\u57df\u5199\u5165\u6570\u636e\u65f6\uff0c\u5185\u6838\u4f1a\u5c06\u6570\u636e\u540c\u6b65\u5230\u76f8\u5e94\u7684\u6587\u4ef6\u90e8\u5206\u3002<\/p>\n

\u6587\u4ef6\u7ba1\u7406_\u6587\u4ef6linux\u547d\u4ee4_linux mmap \u6587\u4ef6<\/p>\n

\u8fd9\u79cd\u673a\u5236\u80fd\u6709\u6548\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u3002\u4ee5\u5f80\uff0c\u6587\u4ef6\u8bfb\u53d6\u548c\u5199\u5165\u5e38\u5e38\u6d89\u53ca\u591a\u6b21\u7cfb\u7edf\u8c03\u7528\uff0c\u4f46\u4f7f\u7528mmap\u6280\u672f\u540e\uff0c\u7cfb\u7edf\u8c03\u7528\u6b21\u6570\u5927\u5e45\u51cf\u5c11\u3002\u5728\u6570\u636e\u9891\u7e41\u8bbf\u95ee\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u89c6\u9891\u64ad\u653e\u8f6f\u4ef6\u8bfb\u53d6\u89c6\u9891\u6587\u4ef6\u8fdb\u884c\u64ad\u653e\u7b49\uff0c\u6027\u80fd\u80fd\u5f97\u5230\u663e\u8457\u63d0\u5347\u3002<\/p>\n

mmap\u7684\u4f18\u52bf<\/b><\/p>\n

mmap\u5728\u5185\u5b58\u7ba1\u7406\u65b9\u9762\u6548\u7387\u5f88\u9ad8\u3002\u901a\u8fc7mmap\u76f4\u63a5\u64cd\u4f5c\u6587\u4ef6\uff0c\u6211\u4eec\u4e0d\u5fc5\u628a\u6574\u4e2a\u6587\u4ef6\u5185\u5bb9\u52a0\u8f7d\u5230\u5185\u5b58\u7f13\u51b2\u533a\u3002\u5b83\u4ec5\u5728\u5fc5\u8981\u65f6\u5c06\u90e8\u5206\u9875\u9762\u52a0\u8f7d\u5230\u5185\u5b58\u3002\u5bf9\u4e8e\u5904\u7406\u5927\u6587\u4ef6redhat linux 9.0\u4e0b\u8f7d\uff0c\u5982\u6570GB\u7684\u6570\u636e\u5e93\u5907\u4efd\uff0c\u8fd9\u79cd\u505a\u6cd5\u5c24\u4e3a\u6709\u5229\u3002\u82e5\u7528\u5e38\u89c4\u6587\u4ef6\u8bfb\u53d6\u65b9\u6cd5\uff0c\u5185\u5b58\u8d44\u6e90\u53ef\u80fd\u4f1a\u88ab\u8017\u5c3d\uff0c\u800cmmap\u5219\u80fd\u6709\u6548\u5e94\u5bf9\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n

\u6587\u4ef6linux\u547d\u4ee4_\u6587\u4ef6\u7ba1\u7406_linux mmap \u6587\u4ef6<\/p>\n

\u6b64\u5916\uff0cmmap\u5728\u5b9e\u73b0\u8fdb\u7a0b\u95f4\u5185\u5b58\u5171\u4eab\u65b9\u9762\u626e\u6f14\u7740\u5173\u952e\u89d2\u8272\u3002\u5f53\u591a\u4e2a\u8fdb\u7a0b\u9700\u5171\u7528\u540c\u4e00\u6587\u4ef6\u5185\u5bb9\u65f6\uff0cmmap\u80fd\u4f7f\u5b83\u4eec\u5171\u540c\u6620\u5c04\u81f3\u8be5\u6587\u4ef6\u7684\u7279\u5b9a\u533a\u57df\uff0c\u8fbe\u5230\u5185\u5b58\u7ea7\u7684\u5171\u4eab\u3002\u8fd9\u79cd\u60c5\u51b5\u5728\u591a\u8fdb\u7a0b\u5e76\u53d1\u670d\u52a1\u5668\u5e94\u7528\u4e2d\u5f88\u666e\u904d\uff0c\u6bd4\u5982\u591a\u4e2a\u670d\u52a1\u5668\u5b50\u8fdb\u7a0b\u5171\u4eab\u914d\u7f6e\u6587\u4ef6\u7b49\uff0c\u5176\u5171\u4eab\u6548\u7387\u8fdc\u8d85\u4f20\u7edf\u6587\u4ef6\u5171\u4eab\u65b9\u6cd5\u3002<\/p>\n

mmap\u5728\u6587\u4ef6\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/b><\/p>\n

mmap\u5728\u5904\u7406\u666e\u901a\u6587\u4ef6\u7684\u8bfb\u5199\u65f6\u975e\u5e38\u65b9\u4fbf\u3002\u5bf9\u4e8e\u9700\u8981\u8bfb\u53d6\u7684\u6587\u4ef6\uff0c\u8fd0\u7528mmap\u80fd\u8fc5\u901f\u5c06\u6587\u4ef6\u4fe1\u606f\u6620\u5c04\u81f3\u5185\u5b58\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u80fd\u50cf\u64cd\u4f5c\u5185\u5b58\u4e2d\u7684\u6570\u636e\u90a3\u6837\u8fc5\u901f\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u8fd9\u5bf9\u65e5\u5fd7\u67e5\u770b\u8fd9\u7c7b\u4ee5\u8bfb\u53d6\u4e3a\u4e3b\u7684\u64cd\u4f5c\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n

\u6587\u4ef6\u7ba1\u7406_linux mmap \u6587\u4ef6_\u6587\u4ef6linux\u547d\u4ee4<\/p>\n

\u7f16\u5199\u6587\u4ef6\u65f6\uff0cmmap\u540c\u6837\u80fd\u6d3e\u4e0a\u7528\u573a\u3002\u5c06\u6587\u4ef6\u5185\u5bb9\u6620\u5c04\u8fdb\u5185\u5b58\uff0c\u53ea\u9700\u8c03\u6574\u5185\u5b58\u91cc\u7684\u6570\u636e\uff0c\u968f\u540e\u7cfb\u7edf\u5185\u6838\u4f1a\u628a\u8fd9\u4e9b\u66f4\u6539\u540c\u6b65\u5230\u78c1\u76d8\u4e0a\u7684\u6587\u4ef6\u91cc\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u9700\u8981\u5b9e\u65f6\u8bb0\u5f55\u6570\u636e\u7684\u573a\u5408\uff0c\u6bd4\u5982\u4f20\u611f\u5668\u7684\u5b9e\u65f6\u6570\u636e\u8bb0\u5f55\u5230\u6587\u4ef6\uff0c\u80fd\u4fdd\u8bc1\u6570\u636e\u7684\u5b9e\u65f6\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n

mmap\u4e0e\u5185\u6838\u5173\u7cfb<\/b><\/p>\n

mmap\u7684\u5b9e\u73b0\u975e\u5e38\u4f9d\u8d56\u4e8e\u5185\u6838\u7684\u529f\u80fd\u3002\u5185\u6838\u8981\u8d1f\u8d23\u5185\u5b58\u7684\u5206\u914d\u3001\u9875\u9762\u7684\u6620\u5c04\u4ee5\u53ca\u6587\u4ef6\u4e0e\u5185\u5b58\u95f4\u4ea4\u4e92\u7684\u590d\u6742\u903b\u8f91\u3002\u5728\u5185\u6838\u7684\u89c6\u89d2\u4e2d\uff0cmmap\u7684\u5b9e\u73b0\u662f\u6838\u5fc3\u865a\u62df\u5185\u5b58\u7ba1\u7406\u7cfb\u7edf\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\u5185\u6838\u5728\u5904\u7406\u4e0emmap\u76f8\u5173\u7684\u64cd\u4f5c\u65f6\uff0c\u4f1a\u9762\u5bf9\u8bf8\u5982\u7f3a\u9875\u4e2d\u65ad\u7684\u95ee\u9898\u3002\u82e5\u8fdb\u7a0b\u8bbf\u95ee\u4e86\u6620\u5c04\u533a\u57df\u4e2d\u5c1a\u672a\u52a0\u8f7d\u5230\u5185\u5b58\u7684\u9875\u9762linux cp\uff0c\u4fbf\u4f1a\u5f15\u53d1\u7f3a\u9875\u4e2d\u65ad\u3002\u6b64\u65f6\uff0c\u5185\u6838\u4f1a\u4ece\u6587\u4ef6\u4e2d\u63d0\u53d6\u76f8\u5e94\u7684\u9875\u9762\u6570\u636e\uff0c\u5c06\u5176\u8f7d\u5165\u5185\u5b58\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4f53\u73b0\u4e86\u5185\u6838\u5728mmap\u673a\u5236\u4e2d\u5c55\u73b0\u51fa\u7684\u51fa\u8272\u534f\u8c03\u4e0e\u667a\u80fd\u3002<\/p>\n

\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/b><\/p>\n

linux mmap \u6587\u4ef6_\u6587\u4ef6linux\u547d\u4ee4_\u6587\u4ef6\u7ba1\u7406<\/p>\n

\u5728\u4f7f\u7528mmap\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6743\u9650\u95ee\u9898\u3002\u82e5\u6587\u4ef6\u6620\u5c04\u7684\u6743\u9650\u8bbe\u7f6e\u4e0d\u5f53\uff0c\u53ef\u80fd\u4f1a\u5f15\u53d1\u64cd\u4f5c\u5931\u8d25\u6216\u5b89\u5168\u9690\u60a3\u3002\u4f8b\u5982\uff0c\u82e5\u4ee5\u53ea\u8bfb\u6743\u9650\u6253\u5f00\u6587\u4ef6\uff0c\u5374\u4ee5\u53ef\u5199\u65b9\u5f0f\u64cd\u4f5cmmap\u6620\u5c04\u533a\u57df\uff0c\u4fbf\u4f1a\u51fa\u9519\u3002\u6b64\u65f6\uff0c\u9700\u4ed4\u7ec6\u6838\u5bf9\u6587\u4ef6\u7684\u6253\u5f00\u6a21\u5f0f\u548cmmap\u6620\u5c04\u6743\u9650\uff0c\u786e\u4fdd\u4e24\u8005\u5339\u914d\u3002<\/p>\n

\u5728\u591a\u7ebf\u7a0b\u573a\u666f\u4e2d\uff0cmmap\u6620\u5c04\u7684\u540c\u6b65\u95ee\u9898\u9700\u8981\u5173\u6ce8\u3002\u591a\u4e2a\u7ebf\u7a0b\u53ef\u80fd\u540c\u65f6\u4fee\u6539\u540c\u4e00\u6620\u5c04\u533a\u57df\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u91c7\u7528\u4e92\u65a5\u9501\u7b49\u540c\u6b65\u624b\u6bb5\uff0c\u786e\u4fdd\u540c\u4e00\u65f6\u523b\u4ec5\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5bf9\u6620\u5c04\u533a\u57df\u8fdb\u884c\u5199\u5165\uff0c\u4ee5\u6b64\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n

mmap\u7684\u672a\u6765\u53d1\u5c55<\/b><\/p>\n

linux mmap \u6587\u4ef6_\u6587\u4ef6\u7ba1\u7406_\u6587\u4ef6linux\u547d\u4ee4<\/p>\n

\u8ba1\u7b97\u673a\u786c\u4ef6\u7684\u6027\u80fd\u6301\u7eed\u589e\u5f3a\uff0c\u8fd9\u6216\u8bb8\u4f1a\u4f7fmmap\u5728\u901f\u5ea6\u4e0a\u5b9e\u73b0\u65b0\u7684\u98de\u8dc3\u3002\u6bd4\u5982\uff0c\u968f\u7740\u5b58\u50a8\u8bbe\u5907\u901f\u5ea6\u7684\u52a0\u5feb\uff0cmmap\u4e0e\u8fd9\u4e9b\u8bbe\u5907\u4e4b\u95f4\u7684\u914d\u5408\u80fd\u591f\u5b9e\u73b0\u66f4\u591a\u7684\u4f18\u5316\u3002<\/p>\n

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