{"id":17712,"date":"2024-11-18T13:49:34","date_gmt":"2024-11-18T05:49:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/17712\/"},"modified":"2024-11-18T13:49:34","modified_gmt":"2024-11-18T05:49:34","slug":"%e4%ba%86%e8%a7%a3%e5%ae%89%e5%8d%93%e7%b3%bb%e7%bb%9f%e4%b8%8elinux%e5%86%85%e6%a0%b8%e7%9a%84%e8%81%94%e7%b3%bb%e4%b8%8e%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/17712\/","title":{"rendered":"\u4e86\u89e3\u5b89\u5353\u7cfb\u7edf\u4e0eLinux\u5185\u6838\u7684\u8054\u7cfb\u4e0e\u533a\u522b"},"content":{"rendered":"

\"\u4e86\u89e3\u5b89\u5353\u7cfb\u7edf\u4e0eLinux\u5185\u6838\u7684\u8054\u7cfb\u4e0e\u533a\u522b\u63d2\u56fe\"<\/p>\n

\u6807\u9898\uff1a\u6df1\u5165\u63a2\u8ba8\u5b89\u5353\u7cfb\u7edf\u4e0eLinux\u5185\u6838\u7684\u8054\u7cfb\u4e0e\u533a\u522b<\/p>\n

\u5b89\u5353\u7cfb\u7edf\u4f5c\u4e3a\u76ee\u524d\u5168\u7403\u7528\u6237\u6570\u91cf\u6700\u591a\u7684\u79fb\u52a8\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u4e00\uff0c\u5176\u5e95\u5c42\u6838\u5fc3\u91c7\u7528\u4e86Linux\u5185\u6838\u3002\u5728\u5b89\u5353\u7cfb\u7edf\u4e2d\uff0cLinux\u5185\u6838\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u8d1f\u8d23\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\u3001\u63d0\u4f9b\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u652f\u6301\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5b89\u5353\u7cfb\u7edf\u4e0eLinux\u5185\u6838\u7684\u8054\u7cfb\u4e0e\u533a\u522b\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u6765\u89e3\u91ca\u4e8c\u8005\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n

\u4e00\u3001\u8054\u7cfb\uff1a<\/p>\n

1.1 \u5171\u540c\u57fa\u7840\uff1a<\/p>\n

\u5b89\u5353\u7cfb\u7edf\u548cLinux\u5185\u6838\u90fd\u5177\u6709\u5f00\u6e90\u7684\u7279\u70b9\uff0c\u90fd\u7531\u5168\u7403\u7684\u5f00\u53d1\u8005\u5171\u540c\u53c2\u4e0e\u7ef4\u62a4\u548c\u6539\u8fdb\u3002\u5b89\u5353\u7cfb\u7edf\u5728Linux\u5185\u6838\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u4e86\uff0c\u52a0\u5165\u4e86\u66f4\u591a\u7684\u529f\u80fd\u6a21\u5757\u548c\u670d\u52a1\uff0c\u5982\u5e94\u7528\u6846\u67b6\u3001\u754c\u9762\u7cfb\u7edf\u7b49\uff0c\u4ee5\u6ee1\u8db3\u79fb\u52a8\u8bbe\u5907\u7684\u9700\u6c42\u3002<\/p>\n

1.2 \u8d44\u6e90\u7ba1\u7406\uff1a<\/p>\n

Linux\u5185\u6838\u4f5c\u4e3a\u5b89\u5353\u7cfb\u7edf\u7684\u5e95\u5c42\u6838\u5fc3\uff0c\u8d1f\u8d23\u7ba1\u7406\u786c\u4ef6\u8d44\u6e90\uff0c\u5305\u62ec\u5904\u7406\u5668\u3001\u5185\u5b58\u3001\u7f51\u7edc\u7b49\u8bbe\u5907\u3002\u5b89\u5353\u7cfb\u7edf\u901a\u8fc7Linux\u5185\u6838\u63d0\u4f9b\u7684\u4e30\u5bcc\u63a5\u53e3\uff0c\u5b9e\u73b0\u5bf9\u786c\u4ef6\u8d44\u6e90\u7684\u8bbf\u95ee\u548c\u63a7\u5236\uff0c\u4ece\u800c\u4fdd\u8bc1\u5e94\u7528\u7a0b\u5e8f\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n

1.3 \u5b89\u5168\u6027\uff1a<\/p>\n

Linux\u5185\u6838\u5728\u5b89\u5168\u6027\u65b9\u9762\u5177\u6709\u8f83\u9ad8\u7684\u53ef\u9760\u6027\uff0c\u80fd\u591f\u63d0\u4f9b\u6587\u4ef6\u6743\u9650\u3001\u8fdb\u7a0b\u9694\u79bb\u7b49\u5b89\u5168\u673a\u5236\u3002\u5b89\u5353\u7cfb\u7edf\u5728\u6b64\u57fa\u7840\u4e0a\u8fdb\u4e00\u6b65\u52a0\u5f3a\u4e86\u3001\u5e94\u7528\u6c99\u7bb1\u7b49\u5b89\u5168\u63aa\u65bd\uff0c\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6570\u636e\u5b89\u5168\u3002<\/p>\n

\u4e8c\u3001\u533a\u522b\uff1a<\/p>\n

2.1 \u5e94\u7528\u5c42\u5dee\u5f02\uff1a<\/p>\n

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2.2 \u5185\u6838\u5b9a\u5236\uff1a<\/p>\n

\u5b89\u5353\u7cfb\u7edf\u5bf9Linux\u5185\u6838\u8fdb\u884c\u4e86\u5b9a\u5236\uff0c\u589e\u52a0\u4e86\u8bb8\u591a\u9488\u5bf9\u79fb\u52a8\u8bbe\u5907\u7684\u7279\u5b9a\u529f\u80fd\uff0c\u5982\u7535\u6c60\u7ba1\u7406\u3001\u62cd\u7167\u652f\u6301\u7b49\u3002\u8fd9\u4e9b\u5b9a\u5236\u5316\u7684\u529f\u80fd\u4f7f\u5f97\u5b89\u5353\u7cfb\u7edf\u66f4\u9002\u7528\u4e8e\u79fb\u52a8\u8bbe\u5907\u7684\u9700\u6c42\uff0c\u4e0e\u4f20\u7edf\u7684Linux\u7cfb\u7edf\u6709\u6240\u4e0d\u540c\u3002<\/p>\n

2.3 \u53d1\u5e03\u5468\u671f\uff1a<\/p>\n

\u5b89\u5353\u7cfb\u7edf\u548cLinux\u5185\u6838\u7684\u53d1\u5e03\u5468\u671f\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u5b89\u5353\u7cfb\u7edf\u901a\u5e38\u6bcf\u5e74\u53d1\u5e03\u4e00\u4e2a\u65b0\u7684\u4e3b\u8981\u7248\u672c\uff0c\u800cLinux\u5185\u6838\u5219\u6709\u66f4\u52a0\u9891\u7e41\u7684\u66f4\u65b0\u548c\u53d1\u5e03\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u786c\u4ef6\u5e73\u53f0\u548c\u9700\u6c42\u3002<\/p>\n

\u4e09\u3001\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u5b89\u5353\u7cfb\u7edf\u4e0eLinux\u5185\u6838\u7684\u8054\u7cfb\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5728\u5b89\u5353\u5e94\u7528\u4e2d\u8c03\u7528Linux\u7cfb\u7edf\u8c03\u7528\u7684\u8fc7\u7a0b\uff1a<\/p>\n

\/\/ \u5728\u5b89\u5353\u5e94\u7528\u4e2d\u901a\u8fc7JNI\u8c03\u7528Linux\u7cfb\u7edf\u8c03\u7528\npublic class MainActivity extends Activity {\n    static {\n        System.loadLibrary(\"native-lib\");\n    }\n\n    public native void helloWorld();\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n        setContentView(R.layout.activity_main);\n\n        helloWorld();\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\/\/ C\u4ee3\u7801\u5b9e\u73b0\u8c03\u7528Linux\u7cfb\u7edf\u8c03\u7528\n#include <jni.h>\n#include <stdio.h>\n#include <unistd.h>\n\nJNIEXPORT void JNICALL Java_com_example_MainActivity_helloWorld(JNIEnv *env, jobject obj) {\n    printf(\"Hello World from Linux kernel!\n\");\n    \/\/ \u8c03\u7528Linux\u7cfb\u7edf\u8c03\u7528\n    int ret = syscall(SYS_getpid);\n    printf(\"My process ID is %d\n\", ret);\n}<\/unistd.h><\/stdio.h><\/jni.h><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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