{"id":594,"date":"2016-12-16T16:34:50","date_gmt":"2016-12-16T08:34:50","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=594"},"modified":"2016-12-16T16:34:50","modified_gmt":"2016-12-16T08:34:50","slug":"%e8%a2%ab%e4%b8%ad%e6%96%ad%e7%9a%84%e7%b3%bb%e7%bb%9f%e8%b0%83%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=594","title":{"rendered":"\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528"},"content":{"rendered":"<p>\u65e9\u671fUNIX\u7cfb\u7edf\u7684\u4e00\u4e2a\u7279\u6027\u662f\u5982\u679c\u8fdb\u7a0b\u88ab\u4e00\u4e2a\u201c\u6162&#8221;\u7cfb\u7edf\u8c03\u7528\u963b\u585e\u7684\u540c\u65f6\u6355\u83b7\u4e86\u4e00\u4e2a\u4fe1\u53f7\uff08\u8fd9\u4e2a\u7cfb\u7edf\u8c03\u7528\u5df2\u7ecf\u88ab\u4e2d\u65ad\uff09\u3002\u7cfb\u7edf\u8c03\u7528\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u5e76\u4e14\u8bbe\u7f6e<span style=\"color: #993300;\">errno<\/span>\u7684\u503c\u4e3a<span style=\"color: #993300;\">EINTR<\/span>\u3002\u5047\u5b9a\u8fd9\u53d1\u751f\u5728\u4fe1\u53f7\u53d1\u751f\u5e76\u4e14\u8fdb\u7a0b\u6355\u83b7\u5230\u5b83\u65f6\u3002\u8fd9\u6709\u53ef\u80fd\u4f1a\u5524\u9192\u88ab\u963b\u585e\u7684\u7cfb\u7edf\u8c03\u7528\u3002\uff08\u8fd9\u91cc\u5fc5\u987b\u533a\u5206\u7cfb\u7edf\u8c03\u7528\u548c\u51fd\u6570\u7684\u4e0d\u540c\uff0c\u7cfb\u7edf\u8c03\u7528\u662f\u5728\u5185\u6838\u4e2d\uff0c\u5f53\u4fe1\u53f7\u88ab\u6355\u6349\u65f6\u624d\u4f1a\u88ab\u4e2d\u65ad\u3002\uff09<\/p>\n<p>\u4e3a\u4e86\u652f\u6301\u8fd9\u4e00\u529f\u80fd\uff0c\u7cfb\u7edf\u8c03\u7528\u5206\u4e3a\u4e24\u7c7b\uff1a\u201c\u6162\u201d\u7cfb\u7edf\u8c03\u7528\u548c\u5176\u5b83\u3002\u6162\u7cfb\u7edf\u8c03\u7528\u662f\u80fd\u88ab\u6c38\u8fdc\u963b\u585e\u7684\u3002\u5305\u542b\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u6570\u636e\u6ca1\u6709\u63d0\u4f9b\u67d0\u79cd\u6587\u4ef6\u7c7b\u578b\uff08pipes\uff0c\u7ec8\u7aef\u8bbe\u5907\u548c\u7f51\u7edc\u8bbe\u5907\uff09\uff0c\u8bfb\u7684\u65f6\u5019\u5c31\u80fd\u88ab\u6c38\u4e45\u963b\u585e\u3002<\/li>\n<li>\u5982\u679c\u6570\u636e\u4e0d\u80fd\u88ab\u540c\u4e00\u6587\u4ef6\u7c7b\u578b\u7acb\u5373\u63a5\u6536\uff0c\u5199\u7684\u65f6\u5019\u5c31\u80fd\u88ab\u6c38\u4e45\u963b\u585e\u3002<\/li>\n<li>\u5f53\u6253\u5f00\u6587\u4ef6\u65f6\uff0c\u963b\u585e\u4f1a\u6301\u7eed\u5230\u9700\u8981\u4e00\u4e9b\u6761\u4ef6\u53d1\u751f\u5728\u67d0\u4e9b\u6587\u4ef6\u7c7b\u578b\u4e0a\uff08\u50cf\u662f\u6253\u5f00\u4e00\u4e2a\u7ec8\u7aef\u8bbe\u5907\uff0c\u800c\u8be5\u7ec8\u7aef\u8bbe\u5907\u8981\u7b49\u5f85\u7ed1\u5b9a\u7684\u8c03\u5236\u89e3\u8c03\u5668\u7684\u62e8\u53f7\u5e94\u7b54\uff09\u3002<\/li>\n<li><span style=\"color: #993300;\">pause<\/span>\u51fd\u6570\uff08\u7528\u4e8e\u4f11\u7720\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u76f4\u5230\u4fe1\u53f7\u88ab\u6355\u83b7\uff09\u548c<span style=\"color: #993300;\">wait<\/span>\u51fd\u6570\u3002<\/li>\n<li>\u67d0\u79cd<span style=\"color: #993300;\">ioctl<\/span>\u64cd\u4f5c<\/li>\n<li>\u4e00\u4e9b\u8fdb\u7a0b\u95f4\u901a\u8baf\u51fd\u6570<\/li>\n<\/ul>\n<p>\u201c\u6162\u201d\u7cfb\u7edf\u8c03\u7528\u4e2d\u91cd\u8981\u7684\u5f02\u5e38\u90fd\u662f\u548c\u78c1\u76d8I\/O\u6709\u5173\u7684\u3002\u867d\u7136\u78c1\u76d8\u6587\u4ef6\u7684\u8bfb\u6216\u5199\u80fd\u4e34\u65f6\u963b\u585e\u8c03\u7528\u8005\uff08\u5f53\u78c1\u76d8\u9a71\u52a8\u7a0b\u5e8f\u5bf9\u8bf7\u6c42\u8fdb\u884c\u6392\u961f\u4e4b\u540e\u54cd\u5e94\u8fd9\u4e9b\u8bf7\u6c42\uff09\uff0c\u9664\u975e\u53d1\u751f\u786c\u4ef6\u9519\u8bef\uff0c\u5426\u5219I\/O\u64cd\u4f5c\u4e00\u76f4\u5feb\u901f\u5730\u8fd4\u56de\u5e76\u89e3\u9501\u8c03\u7528\u8005\u3002<\/p>\n<p>\u6709\u4e00\u79cd\u60c5\u51b5\u53ef\u4ee5\u7528\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528\u5904\u7406\u3002\u4f8b\u5982\uff1a\u5f53\u4e00\u4e2a\u8fdb\u7a0b\u521b\u5efa\u4e86\u4ece\u7ec8\u7aef\u8bbe\u5907\u4e0a\u8bfb\u7684\u64cd\u4f5c\uff0c\u5e76\u4e14\u7528\u6237\u79bb\u5f00\u4e86\u7ec8\u7aef\u5f88\u957f\u7684\u65f6\u95f4\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8fdb\u7a0b\u53ef\u80fd\u88ab\u963b\u585e\u51e0\u4e2a\u5c0f\u65f6\u6216\u51e0\u5929\u5e76\u4e14\u4fdd\u7559\u8fdb\u7a0b\uff0c\u9664\u975e\u7cfb\u7edf\u5173\u95ed\u3002<\/p>\n<p>\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u6211\u4eec\u73b0\u5728\u5fc5\u987b\u663e\u793a\u7684\u5904\u7406\u8fd4\u56de\u7684\u9519\u8bef\u3002\u5178\u578b\u7684\u4ee3\u7801\u5e8f\u5217\u53ef\u80fd\u662f\uff08\u5047\u8bbe\u4e00\u4e2a\u8bfb\u64cd\u4f5c\u5e76\u4e14\u5047\u8bbe\u6211\u4eec\u60f3\u91cd\u65b0\u5f00\u59cb\u8bfb\uff0c\u5373\u4f7f\u5b83\u5df2\u7ecf\u88ab\u4e2d\u65ad\uff09\uff1a<\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\">\n<pre><span style=\"color: #993300;\">    again:\r\n        if ((n = read(fd, buf, BUFFSIZE)) &lt; 0) {\r\n            if (errno == EINTR)\r\n                goto again;     \/* just an interrupted system call *\/\r\n            \/* handle other errors *\/\r\n        }\r\n<\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e3a\u4e86\u9632\u6b62\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u5904\u7406\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528\uff0cBSD4.2\u5f15\u5165\u4e86\u81ea\u52a8\u91cd\u542f\u67d0\u4e9b\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528\u3002\u80fd\u88ab\u81ea\u52a8\u91cd\u542f\u7684\u7cfb\u7edf\u8c03\u7528\u6709\uff1a<span style=\"color: #993300;\">ioctl<\/span>, <span style=\"color: #993300;\">read<\/span>, <span style=\"color: #993300;\">readv<\/span>, <span style=\"color: #993300;\">write<\/span>, <span style=\"color: #993300;\">writev<\/span>,<span style=\"color: #993300;\"> wait<\/span> \u548c<span style=\"color: #993300;\">waitpid<\/span>\u3002\u5982\u540c\u6211\u4eec\u63d0\u5230\u8fc7\u7684\u524d\u4e94\u4e2a\u51fd\u6570\u5982\u679c\u64cd\u4f5c\u4e00\u4e2a\u6162\u8bbe\u5907\uff0c\u90a3\u4e48\u4f1a\u88ab\u4e00\u4e2a\u4fe1\u53f7\u4e2d\u65ad\u3002<span style=\"color: #993300;\">wait<\/span>\u548c<span style=\"color: #993300;\">waitpid<\/span>\u5f53\u4fe1\u53f7\u88ab\u6355\u83b7\u65f6\u603b\u662f\u88ab\u4e2d\u65ad\u3002\u56e0\u4e3a\u8fd9\u4f1a\u5f15\u8d77\u4e00\u4e9b\u95ee\u9898\uff0c\u50cf\u4e00\u4e9b\u5e94\u7528\u4e0d\u5e0c\u671b\u64cd\u4f5c\u88ab\u4e2d\u65ad\u540e\u91cd\u65b0\u542f\u52a8\uff0cBSD4.3\u5141\u8bb8\u8fdb\u7a0b\u5728\u6bcf\u4e2a\u4fe1\u53f7\u4e0a\u5c4f\u853d\u8fd9\u4e2a\u529f\u80fd\u3002<\/p>\n<p>BSD4.2\u5f15\u5165\u81ea\u52a8\u91cd\u542f\u7cfb\u7edf\u8c03\u7528\u8fd9\u4e2a\u529f\u80fd\u7684\u539f\u56e0\u4e4b\u4e00\u662f\uff1a\u6709\u65f6\u6211\u4eec\u5e76\u4e0d\u77e5\u9053\u8f93\u5165\u6216\u8f93\u51fa\u8bbe\u5907\u662f\u4e00\u4e2a\u6162\u901f\u8bbe\u5907\u3002\u5982\u679c\u6211\u4eec\u5199\u4e86\u4e00\u4e2a\u7528\u4e8e\u4ea4\u4e92\u7684\u7a0b\u5e8f\uff0c\u53ea\u8981\u7ec8\u7aef\u8fdb\u5165\u4e86\u8fd9\u4e2a\u5206\u7c7b\uff0c\u90a3\u4e48\u5b83\u53ef\u80fd\u8bfb\u6216\u5199\u4e00\u4e2a\u6162\u901f\u8bbe\u5907\u3002\u5982\u679c\u5728\u8fd9\u4e2a\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\u6211\u4eec\u6355\u83b7\u4e86\u4e00\u4e2a\u4fe1\u53f7\uff0c\u5e76\u4e14\u5f53\u524d\u7cfb\u7edf\u4e0d\u63d0\u4f9b\u81ea\u52a8\u91cd\u542f\u8fd9\u4e2a\u529f\u80fd\uff0c\u90a3\u4e48\u6211\u4eec\u5fc5\u987b\u4e3a\u8fd4\u56de\u7684\u4e2d\u65ad\u9519\u8bef\u6d4b\u8bd5\u6bcf\u4e00\u4e2a\u8bfb\u5199\uff0c\u5e76\u91cd\u65b0\u8bfb\u5199\uff08reissue the read or write\uff09\u3002<\/p>\n<p>Figure 10.3\u6c47\u603b\u4e86\u4fe1\u53f7\u51fd\u6570\u548c\u5404\u4e2a\u7248\u672c\u7684\u7528\u6cd5\uff08their semantics provided by the various implementations\uff09<\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\">\n<table class=\"allBorders\" border=\"1\" rules=\"all\" cellspacing=\"0\" cellpadding=\"4\">\n<caption>\n<h5 class=\"docTableTitle\">Figure 10.3. Features provided by various signal implementations<\/h5>\n<\/caption>\n<colgroup>\n<col width=\"75\" \/>\n<col width=\"150\" \/>\n<col width=\"75\" \/>\n<col width=\"75\" \/>\n<col width=\"125\" \/><\/colgroup>\n<thead>\n<tr>\n<th class=\"thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Functions<\/span><\/p>\n<\/th>\n<th class=\"thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">System<\/span><\/p>\n<\/th>\n<th class=\"thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Signal handler remains installed<\/span><\/p>\n<\/th>\n<th class=\"thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Ability to block signals<\/span><\/p>\n<\/th>\n<th class=\"thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Automatic restart of interrupted system calls?<\/span><\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"docTableCell\" rowspan=\"4\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><tt>signal<\/tt><\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ISO C, POSIX.1<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">unspecified<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">unspecified<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">unspecified<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">V7, SVR2, SVR3, SVR4, Solaris<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">never<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">4.2BSD<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">always<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">4.3BSD, 4.4BSD, FreeBSD, Linux, Mac OS X<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">default<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" rowspan=\"2\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><tt>sigset<\/tt><\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">unspecified<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">SVR3, SVR4, Linux, Solaris<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">never<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" rowspan=\"2\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><tt>sigvec<\/tt><\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">4.2BSD<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">always<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">4.3BSD, 4.4BSD, FreeBSD, Mac OS X<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">default<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" rowspan=\"2\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><tt>sigaction<\/tt><\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">POSIX.1<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">unspecified<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI, 4.4BSD, SVR4, FreeBSD, Mac OS X, Linux, Solaris<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"middle\">\n<p class=\"docText\">optional<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e0d\u540c\u53d1\u884c\u5546\u7684\u5b9e\u73b0\u53ef\u80fd\u4e0a\u8868\u4e2d\u7684\u503c\u4e5f\u6709\u6240\u4e0d\u540c\u3002\u4f8b\u5982\uff1a<span style=\"color: #993300;\">sigaction<\/span>\u51fd\u6570\uff0c\u5728SunOS 4.1.2\u91cd\u542f\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528\u662f\u9ed8\u8ba4\uff0cFigure10.3\u5217\u51fa\u4e86\u4e0d\u540c\u5e73\u53f0\u7684\u533a\u522b\u3002<\/p>\n<p>\u5728Figure 10.18\u6211\u4eec\u63d0\u4f9b\u4e86\u6211\u4eec\u81ea\u5df1\u7684<span style=\"color: #993300;\">signal<\/span>\u51fd\u6570\uff0c\u5b83\u5c1d\u8bd5\u81ea\u52a8\u91cd\u542f\u88ab\u4e2d\u65ad\u7684\u7cfb\u7edf\u8c03\u7528\uff08\u4e0d\u540c\u4e8e<span style=\"color: #993300;\">SIGALRM<\/span>\u4fe1\u53f7\uff09\u3002\u5728Figure 10.19\u6211\u4eec\u63d0\u4f9b\u4e86\u53e6\u4e00\u4e2a\u51fd\u6570\uff0c<span style=\"color: #993300;\">signal_intr<\/span>,\u5b83\u5c1d\u8bd5\u4ece\u4e0d\u91cd\u542f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65e9\u671fUNIX\u7cfb\u7edf\u7684\u4e00\u4e2a\u7279\u6027\u662f\u5982\u679c\u8fdb\u7a0b\u88ab\u4e00\u4e2a\u201c\u6162&#8221;\u7cfb\u7edf\u8c03\u7528\u963b\u585e\u7684\u540c\u65f6\u6355\u83b7\u4e86\u4e00\u4e2a\u4fe1\u53f7\uff08\u8fd9\u4e2a\u7cfb\u7edf\u8c03\u7528\u5df2\u7ecf\u88ab\u4e2d\u65ad\uff09\u3002\u7cfb\u7edf\u8c03\u7528\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u5e76\u4e14\u8bbe\u7f6eerrno\u7684&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.5x44.cn\/?p=594\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-594","post","type-post","status-publish","format-standard","hentry","category-apue"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=594"}],"version-history":[{"count":8,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/594\/revisions"}],"predecessor-version":[{"id":602,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/594\/revisions\/602"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}