{"id":61272,"date":"2025-04-29T13:38:25","date_gmt":"2025-04-29T05:38:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61272\/"},"modified":"2025-04-29T13:38:25","modified_gmt":"2025-04-29T05:38:25","slug":"%e4%bd%bf%e7%94%a8cmake%e6%9e%84%e5%bb%balinux%e5%ae%9e%e6%97%b6%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e9%85%8d%e7%bd%ae%e6%8a%80%e5%b7%a7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61272\/","title":{"rendered":"\u4f7f\u7528CMake\u6784\u5efaLinux\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7"},"content":{"rendered":"<p>\u4f7f\u7528cmake\u6784\u5efa  \u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u968f\u7740\u5b9e\u65f6\u8ba1\u7b97\u9700\u6c42\u7684\u589e\u52a0\uff0c\u6784\u5efa\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u4e5f\u8d8a\u6765\u8d8a\u591a\u3002CMake\u662f\u4e00\u79cd\u6d41\u884c\u7684\u8de8\u5e73\u53f0\u6784\u5efa\u5de5\u5177\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u914d\u7f6e\u9009\u9879\u548c\u6613\u4e8e\u4f7f\u7528\u7684\u8bed\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u9ad8\u6548\u5730\u6784\u5efa\u5177\u6709\u5b9e\u65f6\u6027\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f7f\u7528CMake\u6784\u5efaLinux\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u914d\u7f6eCMakeLists.txt\u6587\u4ef6<br \/>\u5728\u5f00\u59cb\u6784\u5efaLinux\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u914d\u7f6eCMakeLists.txt\u6587\u4ef6\u3002CMakeLists.txt\u662fCMake\u7684\u6784\u5efa\u811a\u672c\uff0c\u7528\u4e8e\u6307\u5b9a\u9879\u76ee\u7684\u6784\u5efa\u4fe1\u606f\u548c\u4f9d\u8d56\u9879\u3002<\/p>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728CMakeLists.txt\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff0c\u4ee5\u542f\u7528C99\u6807\u51c6\u548c\u4f7f\u7528RT\uff08Real-Time\uff09\u5e93\uff1a<\/p>\n<pre>set(CMAKE_C_STANDARD 99)\nset(CMAKE_C_STANDARD_REQUIRED ON)\n\nfind_library(RT_LIBRARY rt)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u9879\u76ee\u7684\u540d\u79f0\u3001\u6e90\u6587\u4ef6\u548c\u76ee\u6807\u53ef\u6267\u884c\u6587\u4ef6\uff1a<\/p>\n<pre>cmake_minimum_required(VERSION 3.12)\n\nproject(realtime_app)\n\nset(SOURCE_FILES main.c)\n\nadd_executable(realtime_app ${SOURCE_FILES})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u5176\u4ed6\u4f9d\u8d56\u9879\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u4f7f\u7528POSIX\u7ebf\u7a0b\u5e93\uff0c\u5219\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre>find_package(Threads REQUIRED)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u6dfb\u52a0\u5230\u76ee\u6807\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre>target_link_libraries(realtime_app ${RT_LIBRARY} Threads::Threads)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e8c\u3001\u914d\u7f6e\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565<br \/>\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sched_setscheduler\u51fd\u6570\u6765\u9009\u62e9\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\u3002\u5728CMakeLists.txt\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u8bbe\u7f6e\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\uff1a<\/p>\n<pre>target_link_libraries(realtime_app ${RT_LIBRARY} Threads::Threads)\n\nset(CMAKE_C_FLAGS \"${CMAKE_C_FLAGS} -D_GNU_SOURCE\")\ntarget_compile_definitions(realtime_app PRIVATE _GNU_SOURCE)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528sched_setscheduler\u51fd\u6570\u6765\u8bbe\u7f6e\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\uff1a<\/p>\n<pre>#include &lt;sched.h&gt;\n\nstruct sched_param params;\nparams.sched_priority = sched_get_priority_max(SCHED_FIFO);\nsched_setscheduler(0, SCHED_FIFO, &amp;amp;params);&lt;\/sched.h&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e09\u3001\u914d\u7f6e\u5b9e\u65f6\u65f6\u949f<br \/>\u4e3a\u4e86\u83b7\u5f97\u66f4\u9ad8\u7684\u65f6\u95f4\u5206\u8fa8\u7387\u548c\u51c6\u786e\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u771f\u5b9e\u65f6\u95f4\u7684\u65f6\u949f\u3002\u5728CMakeLists.txt\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u914d\u7f6e\u5b9e\u65f6\u65f6\u949f\uff1a<\/p>\n<pre>target_link_libraries(realtime_app ${RT_LIBRARY} Threads::Threads)\n\nset(CMAKE_C_FLAGS \"${CMAKE_C_FLAGS} -D_GNU_SOURCE\")\ntarget_compile_definitions(realtime_app PRIVATE _GNU_SOURCE)\n\nfind_library(REALTIME_LIBRARY rt)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5b9e\u65f6\u65f6\u949f\u5e93\u6dfb\u52a0\u5230\u76ee\u6807\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre>target_link_libraries(realtime_app ${RT_LIBRARY} ${REALTIME_LIBRARY} Threads::Threads)<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528clock_nanosleep\u51fd\u6570\u6765\u4f7f\u7528\u5b9e\u65f6\u65f6\u949f\uff1a<\/p>\n<pre>#include &lt;time.h&gt;\n\nstruct timespec sleep_time;\nsleep_time.tv_sec = 0;\nsleep_time.tv_nsec = 1000000; \/\/ 1 millisecond\nclock_nanosleep(CLOCK_REALTIME, 0, &amp;amp;sleep_time, NULL);&lt;\/time.h&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7ed3\u8bba\uff1a<br \/>\u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528cmake\u6784\u5efa linux \u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002\u901a\u8fc7\u914d\u7f6eCMakeLists.txt\u6587\u4ef6\uff0c\u9009\u62e9\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\u548c\u914d\u7f6e\u5b9e\u65f6\u65f6\u949f\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u51c6\u786e\u6027\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u6784\u5efa\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u5b9e\u73b0\u5b9e\u65f6\u8ba1\u7b97\u9700\u6c42\u7684\u9ad8\u6548\u5904\u7406\u3002<\/p>\n<p>\u53c2\u8003\u6587\u732e\uff1a<\/p>\n<ol>\n<li>&#8220;CMake 3.12 Documentation&#8221; [Online]. Available: https:\/\/cmake.org\/documentation\/<\/li>\n<li>&#8220;POSIX Threads Programming&#8221; [Online]. Available: http:\/\/man7.org\/linux\/man-pages\/man7\/pthreads.7.html<\/li>\n<li>&#8220;Linux Scheduler&#8221; [Online]. Available: http:\/\/man7.org\/linux\/man-pages\/man7\/sched.7.html<\/li>\n<li>&#8220;Real-time Clocks&#8221; [Online]. Available: http:\/\/man7.org\/linux\/man-pages\/man7\/clock_gettime.7.html<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528CMake\u6784\u5efaLinux\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528cmake\u6784\u5efa \u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7 \u5f15\u8a00\uff1a\u968f\u7740\u5b9e\u65f6\u8ba1\u7b97\u9700\u6c42\u7684\u589e\u52a0\uff0c\u6784\u5efa\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u4e5f\u8d8a\u6765\u8d8a\u591a\u3002CMake\u662f\u4e00\u79cd\u6d41\u884c\u7684\u8de8\u5e73\u53f0\u6784\u5efa\u5de5\u5177\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u914d\u7f6e\u9009\u9879\u548c\u6613\u4e8e\u4f7f\u7528\u7684\u8bed\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u9ad8\u6548\u5730\u6784\u5efa\u5177\u6709\u5b9e\u65f6\u6027\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f7f\u7528CMake\u6784\u5efaLinux\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u914d\u7f6eCMakeLists.txt\u6587\u4ef6\u5728\u5f00\u59cb\u6784\u5efaLinux\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u914d\u7f6eCMakeLists.txt\u6587\u4ef6\u3002CMakeLists.txt\u662fCMake\u7684\u6784\u5efa\u811a\u672c\uff0c\u7528\u4e8e\u6307\u5b9a\u9879\u76ee\u7684\u6784\u5efa\u4fe1\u606f\u548c\u4f9d\u8d56\u9879\u3002 \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728CMakeLists.txt\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff0c\u4ee5\u542f\u7528C99\u6807\u51c6\u548c\u4f7f\u7528RT\uff08Real-Time\uff09\u5e93\uff1a set(CMAKE_C_STANDARD 99) set(CMAKE_C_STANDARD_REQUIRED ON) find_library(RT_LIBRARY rt) \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u9879\u76ee\u7684\u540d\u79f0\u3001\u6e90\u6587\u4ef6\u548c\u76ee\u6807\u53ef\u6267\u884c\u6587\u4ef6\uff1a cmake_minimum_required(VERSION 3.12) project(realtime_app) set(SOURCE_FILES main.c) add_executable(realtime_app ${SOURCE_FILES}) \u767b\u5f55\u540e\u590d\u5236 \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u5b9e\u65f6\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u5176\u4ed6\u4f9d\u8d56\u9879\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u4f7f\u7528POSIX\u7ebf\u7a0b\u5e93\uff0c\u5219\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a find_package(Threads REQUIRED) \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u6dfb\u52a0\u5230\u76ee\u6807\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\uff1a target_link_libraries(realtime_app ${RT_LIBRARY} Threads::Threads) \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u914d\u7f6e\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\u5728Linux\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sched_setscheduler\u51fd\u6570\u6765\u9009\u62e9\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\u3002\u5728CMakeLists.txt\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u8bbe\u7f6e\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\uff1a target_link_libraries(realtime_app ${RT_LIBRARY} Threads::Threads) set(CMAKE_C_FLAGS &#8220;${CMAKE_C_FLAGS} -D_GNU_SOURCE&#8221;) target_compile_definitions(realtime_app PRIVATE _GNU_SOURCE) \u767b\u5f55\u540e\u590d\u5236 \u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528sched_setscheduler\u51fd\u6570\u6765\u8bbe\u7f6e\u5b9e\u65f6\u8c03\u5ea6\u7b56\u7565\uff1a #include &lt;sched.h&gt; struct sched_param params; params.sched_priority = sched_get_priority_max(SCHED_FIFO); sched_setscheduler(0, SCHED_FIFO, &amp;amp;params);&lt;\/sched.h&gt; \u767b\u5f55\u540e\u590d\u5236 \u4e09\u3001\u914d\u7f6e\u5b9e\u65f6\u65f6\u949f\u4e3a\u4e86\u83b7\u5f97\u66f4\u9ad8\u7684\u65f6\u95f4\u5206\u8fa8\u7387\u548c\u51c6\u786e\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u771f\u5b9e\u65f6\u95f4\u7684\u65f6\u949f\u3002\u5728CMakeLists.txt\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u914d\u7f6e\u5b9e\u65f6\u65f6\u949f\uff1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-61272","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=61272"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61272\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}