{"id":1809,"date":"2019-01-09T10:38:04","date_gmt":"2019-01-09T02:38:04","guid":{"rendered":"https:\/\/www.yusian.com\/blog\/?p=1809"},"modified":"2020-12-02T10:48:58","modified_gmt":"2020-12-02T02:48:58","slug":"linux%e7%bc%96%e7%a8%8b-%e4%bf%a1%e5%8f%b7%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.yusian.com\/blog\/cpp\/2019\/01\/09\/1038041809.html","title":{"rendered":"Linux\u7f16\u7a0b&#8211;\u4fe1\u53f7\u5904\u7406"},"content":{"rendered":"<h3>1\u3001pause\u51fd\u6570<\/h3>\n<ul>\n<li>pause\u51fd\u6570\u7684\u672c\u8d28\u662f\u5c06\u5f53\u524d\u8fdb\u7a0b\u6302\u8d77\uff0c\u7b49\u5f85\u4fe1\u53f7\u7684\u89e6\u53d1<\/li>\n<li>\u89e3\u9664\u4f11\u7720\u4e00\uff1a\u4f20\u9012\u4fe1\u53f7\u7ec8\u6b62\u8fdb\u7a0b<\/li>\n<li>\u89e3\u9664\u4f11\u7720\u4e8c\uff1a\u8c03\u7528\u4fe1\u53f7\u6355\u83b7\u51fd\u6570<\/li>\n<li>\u8fd4\u56de\u503c\uff1a\u4ec5\u5728\u6355\u6349\u4fe1\u53f7\u5e76\u4e14\u6355\u83b7\u51fd\u6570\u6267\u884c\u7ed3\u675f\u540e\u8fd4\u56de-1\u5e76\u4e14\u5c06errno\u8d4b\u503c\u4e3aEINTR\uff1b<\/li>\n<\/ul>\n<p>pause\u51fd\u6570+alarm\u51fd\u6570\u6a21\u62dfsleep\u51fd\u6570\u7684\u5b9e\u73b0<!--more--><\/p>\n<pre><code class=\"language-c line-numbers\">#include &lt;unistd.h&gt;\n#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;signal.h&gt;\n#include &lt;signal.h&gt;\n#include &lt;errno.h&gt;\n\ntypedef void (*sighandler_t)(int);\n\/\/ \u4fe1\u53f7\u6355\u83b7\u540e\u7684\u56de\u8c03\u51fd\u6570\nvoid sigalarmcatch(int sigal){\n    printf(\"catch fuction....\\n\");\n    sleep(1);\n}\n\/\/ \u6a21\u62df\u5b9e\u73b0sleep\u51fd\u6570\u7684\u529f\u80fd\u4e3b\u4f53\nunsigned int mysleep(unsigned int seconds){\n    \/\/ 1.1\u3001\u521b\u5efasigaction\u7ed3\u6784\u4f53\n    struct sigaction sa, old_sa;\n    sigemptyset(&amp;sa.sa_mask);\n    sa.sa_handler = sigalarmcatch;\n    sa.sa_flags = 0;\n    \/\/ 1.2\u3001\u6355\u83b7\u95f9\u949f\u4fe1\u53f7\uff0c\u6062\u590d\u539f\u8fdb\u7a0b\u7ee7\u7eed\u6267\u884c\n    sigaction(SIGALRM, &amp;sa, &amp;old_sa);\n    \/\/ 2\u3001\u95f9\u949f\u5b9a\u65f6\uff0c\u65f6\u95f4\u5230\u671f\u540e\u4f1a\u81ea\u52a8\u5524\u9192\u539f\u8fdb\u7a0b\n    alarm(seconds);\n    \/\/ \u8fd9\u4e2a\u4f4d\u7f6e\u5f88\u5173\u952e\uff01\uff01\uff01\uff01\uff01\u8fd9\u662f\u4e00\u4e2a\u98ce\u9669\u70b9\uff0c\u5982\u679c\u7cfb\u7edf\u8d1f\u8377\u5f88\u91cd\uff0c\u6709\u53ef\u80fd\u5f88\u957f\u65f6\u95f4\u540e\u624d\u80fd\u518d\u6b21\u56de\u6765\u7ee7\u7eed\u6267\u884c\n    \/\/ \u5982\u679c\u7a0b\u5e8f\u8fd0\u884c\u6b64\u5904\u65f6\u5931\u53bb\u4e86cpu\u7684\u4f7f\u7528\u6743\uff0c\u5f85\u91cd\u65b0\u83b7\u53d6cpu\u540e\uff0c\n    \/\/ \u65f6\u949f\u5df2\u5230\u671f\uff0c\u6b64\u65f6\u8fdb\u7a0b\u5904\u7406\u65f6\u949f\u5230\u671f\u4fe1\u53f7\uff0c\u5904\u7406\u7ed3\u675f\u540e\u624d\u80fd\u6267\u884cpause\u51fd\u6570\uff0c\n    \/\/ \u8fdb\u7a0b\u88ab\u6302\u8d77\uff0c\u65e0\u6cd5\u518d\u6b21\u88ab\u5524\u9192\n    int ret = pause();\n    if (ret == -1 &amp;&amp; errno == EINTR){\n        printf(\"pause success\\n\");\n    }\n    ret = alarm(0);\n    \/\/ 3\u3001\u6062\u590d\u539f\u4fe1\u53f7\u7684\u9ed8\u8ba4\u5904\u7406\u65b9\u5f0f\n    sigaction(SIGALRM, &amp;old_sa, NULL);\n    return ret;\n}\n\nint main(){\n    while(1){\n        printf(\"begin....\\n\");\n        mysleep(1);\n    }\n    return 0;\n}\n<\/code><\/pre>\n<ul>\n<li>\u4ee5\u4e0a\u81ea\u5b9a\u4e49sleep\u51fd\u6570\u4e2d\u5b58\u5728\u4e00\u4e2a\u6f0f\u6d1e\uff0c\u5373\u5728\u95f9\u949f\u5f00\u542f\u540e\u5230\u8fdb\u7a0b\u6302\u8d77\u524d\u8fd9\u4e2a\u65f6\u95f4\u95f4\u9699\u91cc\uff0c\u5982\u679cCPU\u88ab\u5176\u4ed6\u8fdb\u7a0b\u62a2\u5360\uff0c\u95f9\u949f\u4fe1\u53f7\u53d1\u9001\u4e4b\u540e\u624d\u91cd\u65b0\u62e5\u6709cpu\u4f7f\u7528\u6743\uff0c\u90a3\u8fdb\u7a0b\u4f1a\u5148\u5904\u7406\u4fe1\u53f7\uff0c\u518d\u6267\u884cpause\u6302\u8d77\u8fdb\u7a0b\uff0c\u6b64\u65f6\u5df2\u9519\u8fc7\u4fe1\u53f7\u5524\u9192\u65f6\u673a\uff0c\u6b64\u540e\u8fdb\u7a0b\u4e0d\u4f1a\u518d\u6b21\u88ab\u5524\u9192<\/li>\n<li>\u91cd\u70b9\u5728\u4e8e\uff1a\u4fe1\u53f7\u4e0d\u80fd\u5728\u8fdb\u7a0b\u6302\u8d77\u4e4b\u524d\u88ab\u5904\u7406\u6389\uff0c\u5426\u5219\u95f9\u949f\u5931\u6548\uff01<\/li>\n<li>pause\u51fd\u6570\u65e0\u6cd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fd9\u662f\u7cfb\u7edf\u5c42\u9762\u7684\u673a\u5236<\/li>\n<li>sigsuspend\u51fd\u6570\u4e3a\u6b64\u800c\u751f\uff0c\u89e3\u51b3\u4ee5\u4e0a\u95ee\u9898\u7684\u601d\u8def\u662f\uff1a\n<ul>\n<li>\u5148\u5c06\u95f9\u949f\u4fe1\u53f7\u963b\u585e<\/li>\n<li>\u5c06\u89e3\u9664\u963b\u585e\u7684\u4fe1\u53f7\u5c4f\u853d\u5b57\u4f20\u7ed9sigsuspend\u51fd\u6570<\/li>\n<li>\u89e3\u9664\u963b\u585e\u4e0e\u6302\u8d77\u8fdb\u7a0b\u6346\u7ed1\u6210\u539f\u5b50\u64cd\u4f5c<\/li>\n<li>\u786e\u4fdd\u8fdb\u7a0b\u5904\u7406\u4fe1\u53f7\u5728\u6302\u8d77\u8fdb\u7a0b\u4e4b\u540e<\/li>\n<li>\u8fd9\u4e2a\u5c31\u53eb\u65f6\u5e8f\u7ade\u6001<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>2\u3001sigsuspend\u51fd\u6570<\/h3>\n<pre><code class=\"language-c line-numbers\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;signal.h&gt;\n#include &lt;unistd.h&gt;\n\n\/\/ \u4fe1\u53f7\u6355\u6349\u56de\u8c03\u51fd\u6570\nvoid sigcatch(int signal){\n    printf(\"I am catched signal %d\\n\", signal);\n}\n\n\/\/ \u81ea\u5b9a\u4e49sleep\u51fd\u6570\nunsigned int mysleep(unsigned int seconds){\n    \/\/ \u95f9\u949f+pause\n    \/\/ 1\u3001\u6355\u83b7\u95f9\u949f\u4fe1\u53f7\n    struct sigaction sigact, old_sigact;\n    sigact.sa_handler = sigcatch;\n    sigemptyset(&amp;sigact.sa_mask);\n    sigact.sa_flags = 0;\n    sigaction(SIGALRM, &amp;sigact, &amp;old_sigact);\n\n    \/\/ 2\u3001\u963b\u585e\u95f9\u949f\u4fe1\u53f7\n    sigset_t sig, old_sig, sus_sig;\n    sigemptyset(&amp;sig);\n    sigaddset(&amp;sig, SIGALRM);\n    sigprocmask(SIG_BLOCK, &amp;sig, &amp;old_sig);\n\n    \/\/ 3\u3001\u5f00\u542f\u95f9\u949f\n    alarm(seconds);\n\n    \/\/ 4\u3001\u89e3\u9664\u963b\u585e\u6302\u8d77\u8fdb\u7a0b\n    sus_sig = old_sig;\n    sigdelset(&amp;sus_sig, SIGALRM);\n    sigsuspend(&amp;sus_sig);\n\n    \/\/ 5\u3001\u8fd8\u539f\u4fe1\u53f7\u6355\u83b7\u3001\u8fd8\u539f\u4fe1\u53f7\u5c4f\u853d\u5b57\n    int unslept = alarm(0);\n    sigprocmask(SIG_SETMASK, &amp;old_sig, NULL);\n    sigaction(SIGALRM, &amp;old_sigact, NULL);\n    return unslept;\n}\n\nint main(){\n    int i = 0;\n    while(++i){\n        printf(\"%d:\\n\", i);\n        mysleep(1);\n    }\n    return 0;\n}\n<\/code><\/pre>\n<h3>3\u3001\u65f6\u5e8f\u7ade\u6001\u7684\u4e8b\u4f8b<\/h3>\n<pre><code class=\"language-c line-numbers\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;signal.h&gt;\n#include &lt;unistd.h&gt;\n\nint num, flag;\n\/\/ \u7236\u8fdb\u7a0b\u4fe1\u53f7\u6355\u6349\u56de\u8c03\u51fd\u6570\nvoid father(int signal){\n    if (flag == 1){\n        \/\/sleep(1);\n        printf(\"father: %d\\n\", num+=2);\n        flag = 0;\n    }\n}\n\/\/ \u5b50\u8fdb\u7a0b\u4fe1\u53f7\u6355\u6349\u56de\u8c03\u51fd\u6570\nvoid child(int signal){\n    if (flag == 1){\n        \/\/sleep(1);\n        printf(\"child:  %d\\n\", num+=2);\n        flag = 0;\n    }\n}\n\nint main(){\n    pid_t pid = fork();\n    if (pid &lt; 0){\n        perror(\"fork error\");\n        exit(1);\n    }else if (pid &gt; 0){\n        \/\/ \u7236\u8fdb\u7a0b\uff0c\u6355\u6349\u4fe1\u53f7SIGUSR2\n        struct sigaction act;\n        sigemptyset(&amp;act.sa_mask);\n        act.sa_handler = father;\n        act.sa_flags = 0;\n        sigaction(SIGUSR2, &amp;act, NULL);\n\n        num\u2014;\/\/ num = 1\n        sleep(1); \/\/ \u7b49\u5f85\u5b50\u8fdb\u7a0b\u6ce8\u518c\u6355\u6349\u56de\u8c03\u51fd\u6570\uff0c\u56e0\u4e3a\u662f\u76f8\u4e92\u53d1\u9001\u4fe1\u53f7\uff0c\u5fc5\u987b\u8981\u7b49\u5230\u5bf9\u65b9\u7684\u4fe1\u53f7\u624d\u80fd\u53d1\u9001\u4e0b\u4e00\u4e2a\u4fe1\u53f7\n        while(1){\n            if (flag == 0){\n                \/\/ \u7ed9\u5bf9\u65b9\u53d1\u9001\u4e00\u4e2a\u4fe1\u53f7\uff0c\u5bf9\u65b9\u63a5\u6536\u5230\u540e\uff0c\u4f1a\u7acb\u5373\u56de\u53d1\u4e00\u4e2a\uff0c\u6536\u5230\u56de\u53d1\u4fe1\u53f7\u4fee\u6539\u4e86flag\u503c\u624d\u80fd\u518d\u6b21\u7ed9\u5bf9\u65b9\u53d1\u9001\n                \/\/ \u53d1\u9001\u4fe1\u53f7--&gt;\u5bf9\u65b9\u56de\u4fe1\u53f7--&gt;\u4fee\u6539falg\u503c\u4e3a0\n                int ret = kill(pid, SIGUSR1);\n                if (ret == -1){\n                    perror(\"kill error\");\n                    exit(1);\n                }\n                \/\/ \u5982\u679cflag=1\u6267\u884c\u7684\u65f6\u95f4\u6bd4\u8f83\u6162\uff0c\u5728\u5bf9\u65b9\u56de\u9001\u4fe1\u53f7\u540e(\u56de\u8c03\u51fd\u6570\u4e2d\u5c06flag\u4fee\u6539\u4e3a0)\u624d\u6267\u884c\uff0cflag\u8d4b\u503c\u4e3a1\n                \/\/ \u4e0b\u4e00\u6b21while\u5faa\u73af\u4e0d\u4f1a\u518d\u8fdb\u8fd9\u91cc\u6765\uff0c\u5f53\u524d\u8fdb\u7a0b\u540e\u7eed\u4e0d\u4f1a\u518d\u53d1\u4fe1\u53f7\uff0c\u5bf9\u65b9\u4e5f\u4f1a\u4e00\u76f4\u5904\u4e8e\u7b49\u5f85\u72b6\u6001\n                flag = 1;\n            }\n        }\n    }else{\n        \/\/ \u5b50\u8fdb\u7a0b\n        struct sigaction act;\n        sigemptyset(&amp;act.sa_mask);\n        act.sa_handler = child;\n        act.sa_flags = 0;\n        sigaction(SIGUSR1, &amp;act, NULL);\n        sleep(1);\/\/ \u7b49\u5f85\u7236\u8fdb\u7a0b\u6ce8\u518c\u597d\u6355\u6349\u56de\u8c03\u51fd\u6570\uff0c\u56e0\u4e3a\u662f\u76f8\u4e92\u53d1\u9001\u4fe1\u53f7\uff0c\u5e76\u4e14\u7b49\u5230\u5bf9\u65b9\u7684\u4fe1\u53f7\u624d\u80fd\u53d1\u9001\u4e0b\u4e00\u4e2a\u4fe1\u53f7\n        while(1){\n            if (flag == 0){\n                int ret = kill(getppid(), SIGUSR2);\n                if (ret == -1){\n                    perror(\"kill error\");\n                    exit(1);\n                }\n                flag = 1;\n            }\n        }\n    }\n\n    return 0;\n}\n<\/code><\/pre>\n<p>\u81ea\u5b9a\u4e49\u95f9\u949f\u3001\u81ea\u5b9a\u4e49sleep\u3001\u5b8c\u5584\u4e0a\u8ff0\u529f\u80fd<\/p>\n<pre><code class=\"language-c line-numbers\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;signal.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;sys\/time.h&gt;\n\nunsigned int myalarm(unsigned int useconds){\n    \/\/ \u95f9\u949f\n    struct itimerval value, old_val;\n    value.it_value.tv_sec = 0;\n    value.it_value.tv_usec = useconds;\n    value.it_interval.tv_sec = 0;\n    value.it_interval.tv_usec = 0;\n    setitimer(ITIMER_REAL, &amp;value, &amp;old_val);\n    return old_val.it_value.tv_sec * 1000 * 1000 + old_val.it_value.tv_usec;\n}\nvoid mysleephandler(int second){}\nunsigned int mysleep(unsigned int useconds){\n    \/\/ \u95f9\u949f+sigsuspend\n    \/\/ 0\u3001\u6355\u6349\u95f9\u949f\u4fe1\u53f7\n    struct sigaction sigact, old_act;\n    sigact.sa_handler = mysleephandler;\n    sigemptyset(&amp;sigact.sa_mask);\n    sigact.sa_flags = 0;\n    sigaction(SIGALRM, &amp;sigact, &amp;old_act);\n\n    \/\/ 1\u3001\u963b\u585e\u95f9\u949f\u4fe1\u53f7\n    sigset_t sig, old_sig, sus_sig;\n    sigemptyset(&amp;sig);\n    sigaddset(&amp;sig, SIGALRM);\n    sigprocmask(SIG_BLOCK, &amp;sig, &amp;old_sig);\n    \/\/ 2\u3001\u5f00\u542f\u95f9\u949f\n    myalarm(useconds);\n    \/\/ 3\u3001\u521b\u5efa\u4fe1\u53f7\u5c4f\u853d\u5b57\n    sus_sig = old_sig;\n    sigdelset(&amp;sus_sig, SIGALRM);\n    sigsuspend(&amp;sus_sig);\n    \/\/ 4\u3001\u6062\u590d\n    unsigned int unalarms = myalarm(0);\n    sigprocmask(SIG_SETMASK, &amp;old_sig, NULL);\n    sigaction(SIGALRM, &amp;old_act, NULL);\n    return unalarms;\n}\n\nint num, flag;\nvoid father(int signal){\n    if (flag == 1){\n        mysleep(20);\n        printf(\"father: %d\\n\", num+=2);\n        flag = 0;\n    }\n}\nvoid child(int signal){\n    if (flag == 1){\n        mysleep(20);\n        printf(\"child:  %d\\n\", num+=2);\n        flag = 0;\n    }\n}\nint main(){\n    pid_t pid = fork();\n    if (pid &lt; 0){\n        perror(\"fork error\");\n        exit(1);\n    }else if (pid &gt; 0){\n        \/\/ \u7236\u8fdb\u7a0b\n        struct sigaction act;\n        sigemptyset(&amp;act.sa_mask);\n        act.sa_handler = father;\n        act.sa_flags = 0;\n        sigaction(SIGUSR2, &amp;act, NULL);\n\n        num--;\n        sleep(1);\n        while(1){\n            if (flag == 0){\n                int ret = kill(pid, SIGUSR1);\n                if (ret == -1){\n                    perror(\"kill error\");\n                    exit(1);\n                }\n                flag = 1;\n            }\n        }\n    }else{\n        \/\/ \u5b50\u8fdb\u7a0b\n        struct sigaction act;\n        sigemptyset(&amp;act.sa_mask);\n        act.sa_handler = child;\n        act.sa_flags = 0;\n        sigaction(SIGUSR1, &amp;act, NULL);\n        sleep(1);\n\n        while(1){\n            if (flag == 0){\n                int ret = kill(getppid(), SIGUSR2);\n                if (ret == -1){\n                    perror(\"kill error\");\n                    exit(1);\n                }\n                flag = 1;\n            }\n        }\n    }\n\n    return 0;\n}\n<\/code><\/pre>\n<h3>4\u3001SIGCHLD\u4fe1\u53f7\u7684\u6355\u83b7<\/h3>\n<pre><code class=\"language-c line-numbers\">#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n#include &lt;unistd.h&gt;\n#include &lt;signal.h&gt;\n#include &lt;sys\/wait.h&gt;\n\n\/\/ \u4fe1\u53f7\u6355\u83b7\u51fd\u6570\nvoid sigcatch(int signal){\n    int wstatus;\n    pid_t wpid = waitpid(0, &amp;wstatus, WNOHANG);\n    while(wpid &gt; 0){\n        printf(\"waitpid %u, wstatus: %d\\n\", wpid, WEXITSTATUS(wstatus));\n        wpid = waitpid(0, &amp;wstatus, WNOHANG);\n    }\n}\nint main(){\n    \/\/ \u5f00\u542f\u5b50\u8fdb\u7a0b\n    int i = 10;\n    pid_t pid;\n    while(i--){\n        pid = fork();\n        if (pid == 0) break;\n    }\n    if (pid &gt; 0){\n        \/\/ \u7236\u8fdb\u7a0b\n        \/\/ 1\u3001\u963b\u585eSIGCHOD\u4fe1\u53f7\n        sigset_t sig, old_sig;\n        sigemptyset(&amp;sig);\n        sigaddset(&amp;sig, SIGCHLD);\n        sigprocmask(SIG_BLOCK, &amp;sig, NULL);\n        \/\/ 2\u3001\u6ce8\u518c\u6355\u83b7\u51fd\u6570\n        struct sigaction sigact, old_act;\n        sigact.sa_handler = sigcatch;\n        sigemptyset(&amp;sigact.sa_mask);\n        sigact.sa_flags = 0;\n        sigaction(SIGCHLD, &amp;sigact, &amp;old_act);\n        \/\/ 3\u3001\u89e3\u51b3SIGCHLD\u4fe1\u53f7\u963b\u585e\n        sigprocmask(SIG_UNBLOCK, &amp;sig, NULL);\n        while(1){\n            pause();\n            \/\/printf(\"---------------------------\\n\");\n        }\n    }else{\n        \/\/ \u5b50\u8fdb\u7a0b\n        \/\/printf(\"child getpid:%u, return %d\\n\", getpid(), i);\n        \/\/printf(\"child %u, index %d\\n\", getpid(), 10-i);\n        return 10-i;\n    }\n    return 0;\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001pause\u51fd\u6570 pause\u51fd\u6570\u7684\u672c\u8d28\u662f\u5c06\u5f53\u524d\u8fdb\u7a0b\u6302\u8d77\uff0c\u7b49\u5f85\u4fe1\u53f7\u7684\u89e6\u53d1 \u89e3\u9664\u4f11\u7720\u4e00\uff1a\u4f20\u9012\u4fe1\u53f7\u7ec8\u6b62\u8fdb\u7a0b \u89e3\u9664\u4f11\u7720\u4e8c\uff1a\u8c03\u7528\u4fe1\u53f7\u6355\u83b7\u51fd\u6570 \u8fd4\u56de\u503c\uff1a\u4ec5\u5728\u6355\u6349\u4fe1\u53f7\u5e76\u4e14\u6355\u83b7\u51fd\u6570\u6267\u884c\u7ed3\u675f\u540e\u8fd4\u56de-1\u5e76\u4e14\u5c06errno\u8d4b\u503c\u4e3aEINTR\uff1b pause\u51fd\u6570+alarm\u51fd\u6570\u6a21\u62dfsleep\u51fd\u6570\u7684\u5b9e\u73b0<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[310,316],"class_list":["post-1809","post","type-post","status-publish","format-standard","hentry","category-cpp","tag-linux","tag-316"],"_links":{"self":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/comments?post=1809"}],"version-history":[{"count":0,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1809\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/media?parent=1809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/categories?post=1809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/tags?post=1809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}