{"id":1315,"date":"2024-09-20T10:14:33","date_gmt":"2024-09-20T02:14:33","guid":{"rendered":"https:\/\/www.madbull.site\/?p=1315"},"modified":"2024-09-20T10:15:10","modified_gmt":"2024-09-20T02:15:10","slug":"python%e8%b0%83%e7%94%a8so%e5%8a%a8%e6%80%81%e5%ba%93%e7%9a%84%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.madbull.site\/?p=1315","title":{"rendered":"python\u8c03\u7528SO\u52a8\u6001\u5e93\u7684\u51fd\u6570"},"content":{"rendered":"\n<p class=\"has-large-font-size\"><strong>\u4ee3\u7801<\/strong><\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>C\u4ee3\u7801\uff1atest.c<\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ test.c\n\/\/ gcc -shared -o test.so test.c \n\n#include &lt;stdio.h>\n#include &lt;stdlib.h>\n\nint add(int a, int b) {\n    return a+b ;\n}\n\n\nint sub(int a, int b) {\n    return a-b ;\n}\n\nvoid prnt(const char * sss) {\n    printf(\"%s\\n\", sss) ;\n}<\/code><\/pre>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>python\u4ee3\u7801\uff1atest.py<\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>#!\/usr\/bin\/env python3.9\n# -*- coding: utf-8 -*-\n\nimport ctypes\nimport io\nimport os\n\nSoPath=\".\/test.so\"\n\nlibso = None\ndef parse_so() :\n    global libso\n    if libso is not None:\n        return libso\n\n    libso = ctypes.CDLL(SoPath)\n\n    libso.add.argtypes = &#91;ctypes.c_int, ctypes.c_int]\n    libso.add.restype = ctypes.c_int\n\n    libso.sub.argtypes = &#91;ctypes.c_int, ctypes.c_int]\n    libso.sub.restype = ctypes.c_int\n\n    libso.prnt.argtypes = &#91;ctypes.c_char_p]\n\n    return libso\n\nif __name__ == \"__main__\" :\n    libso = parse_so()\n    ret = libso.add(2, 3)\n    print(ret)\n    ret = libso.sub(10, 3)\n    print(ret)\n    libso.prnt(b\"just print\")<\/code><\/pre>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u7f16\u8bd1\u548c\u6d4b\u8bd5<\/strong><\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"538\" height=\"127\" src=\"https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/09\/\u56fe\u7247-35.png\" alt=\"\" class=\"wp-image-1316\" srcset=\"https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/09\/\u56fe\u7247-35.png 538w, https:\/\/www.madbull.site\/wp-content\/uploads\/2024\/09\/\u56fe\u7247-35-300x71.png 300w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/figure>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee3\u7801<br \/>\nC\u4ee3\u7801\uff1atest.c<br \/>\npython\u4ee3\u7801\uff1atest.py<br \/>\n\u7f16\u8bd1\u548c\u6d4b\u8bd5<\/p>\n","protected":false},"author":1,"featured_media":548,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-with-sidebar","format":"standard","meta":{"footnotes":""},"categories":[156,155,154],"tags":[378,142,470,471,469],"class_list":["post-1315","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c-c","category-python","category-154","tag-c","tag-python","tag-so","tag-471","tag-469"],"_links":{"self":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1315"}],"version-history":[{"count":3,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1315\/revisions"}],"predecessor-version":[{"id":1319,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/1315\/revisions\/1319"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/media\/548"}],"wp:attachment":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}