{"id":148,"date":"2020-10-30T21:44:46","date_gmt":"2020-10-30T13:44:46","guid":{"rendered":"https:\/\/chenqinghe.com\/?p=148"},"modified":"2021-05-06T09:59:19","modified_gmt":"2021-05-06T01:59:19","slug":"%e8%ae%b0%e4%b8%80%e6%ac%a1%e7%94%b1%e5%9e%83%e5%9c%be%e5%9b%9e%e6%94%b6%e9%80%a0%e6%88%90%e7%9a%84%e8%af%a1%e5%bc%82%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/chenqinghe.com\/?p=148","title":{"rendered":"\u8bb0\u4e00\u6b21\u7531\u5783\u573e\u56de\u6536\u9020\u6210\u7684\u8be1\u5f02\u95ee\u9898"},"content":{"rendered":"

\u80cc\u666f<\/h3>\n

\u5728Go\u7a0b\u5e8f\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f88\u6709\u53ef\u80fd\u9020\u6210\u7a0b\u5e8fpanic\uff0c\u5e76\u4e14\u8fd9\u4e2apanic\u7684\u4fe1\u606f\u662f\u4e0d\u4f1a\u88ab\u8bb0\u5f55\u5728\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684\u3002\u8fd9\u79cd\u60c5\u51b5\u8be5\u600e\u4e48\u529e\uff1f
\u4e00\u79cd\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528recover\uff0c\u901a\u8fc7recover\u6765\u6355\u83b7panic\u4fe1\u606f\uff0c\u7136\u540e\u518d\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u6cd5\u6709\u4e24\u4e2a\u7f3a\u9677\u200b\uff1a<\/p>\n

    \n
  1. recover\u53ea\u80fd\u6062\u590d\u540c\u4e00\u4e2agoroutine\u4e2d\u7684panic\uff0c\u4e0d\u540cgoroutine\u7684\u4e0d\u80fd\u88ab\u6355\u83b7\uff0c\u8fd9\u5c31\u8981\u6c42\u6bcf\u6b21\u542f\u52a8goroutine\u7684\u65f6\u5019\u8981\u5199\u4e00\u904drecover\u4ee3\u7801\uff0c\u8fd9\u592a\u9ebb\u70e6\u4e86\u3002<\/li>\n
  2. \u9047\u5230\u5e76\u53d1\u8bfb\u5199map\u8fd9\u79cdfatal error\u200b\u7684\u65f6\u5019\uff0cpanic\u662f\u65e0\u6cd5\u6062\u590d\u7684\u3002<\/li>\n<\/ol>\n

    \u200b\u53e6\u5916\u4e00\u79cd\u65b9\u6cd5\u5c31\u6bd4\u8f83\u7b80\u5355\u4e86\uff0c\u56e0\u4e3apanic\u4fe1\u606f\u5b9e\u9645\u4e0a\u662f\u88ab\u8f93\u51fa\u5230\u6807\u51c6\u200b\u9519\u8bef\u4e86\uff0c\u9ed8\u8ba4\u7684\u6807\u51c6\u9519\u8bef\u8bbe\u5907\u662f\u7ec8\u7aef\u200b\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u6807\u51c6\u9519\u8bef\u91cd\u5b9a\u5411\u81f3\u6587\u4ef6\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6355\u83b7\u5230\u200b\u7a0b\u5e8f\u7684panic\u4fe1\u606f\u4e86\u3002\u200b<\/p>\n

    \u800c\u91cd\u5b9a\u5411\u7684\u8bdd\u4e5f\u5927\u6982\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n

      \n
    1. \u542f\u52a8\u7684\u65f6\u5019\u91cd\u5b9a\u5411<\/li>\n<\/ol>\n
      nohup .\/program start  1>stdout.log  2>stderr.log &<\/pre>\n
      \u547d\u4ee4\u884c\u53ef\u7528\u4ee5\u4e0a\u65b9\u5f0f\u6765\u91cd\u5b9a\u5411\u3002\u5982\u679c\u4f7f\u7528supervisor\u7b49\u6765\u7ba1\u7406\u7a0b\u5e8f\u7684\u8bdd\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6estdout_logfile\u548cstderr_logfile\u6765\u91cd\u5b9a\u5411\uff0c\u539f\u7406\u90fd\u662f\u4e00\u81f4\u7684\u3002<\/p>\n
        \n
      1. \u7a0b\u5e8f\u5185\u901a\u8fc7Dup2\u7cfb\u7edf\u8c03\u7528\u6765\u91cd\u5b9a\u5411<\/li>\n<\/ol>\n
        \u6211\u4eec\u7528\u7684\u662f\u7b2c\u4e8c\u79cd\u65b9\u6cd5\u3002<\/p>\n
        \u4ee3\u7801\u4e5f\u5f88\u7b80\u5355\uff0c\u5982\u4e0b:<\/p>\n
        \/\/\n\/\/ coredump.go\nfunc init() {\n\tfd, err := os.OpenFile(\"coredump.log\", os.O_WRONLY|os.O_APPEND|os.O_CREATE, os.ModePerm)\n\tif err != nil {\n\t\tfmt.Println(\"create file descriptor error:\", err)\n\t\treturn\n\t}\n\n\tSetStdHandle(fd, fd)\n}\n\nfunc SetStdHandle(stdout, stderr *os.File) error {\n\n\tif err := syscall.Dup2(int(stdout.Fd()), int(os.Stdout.Fd())); err != nil {\n\t\treturn err\n\t}\n\t*os.Stdout = *stdout\n\n\tif err := syscall.Dup2(int(stderr.Fd()), int(os.Stderr.Fd())); err != nil {\n\t\treturn err\n\t}\n\t*os.Stderr = *stderr\n\n\treturn nil\n}\n<\/pre>\n
        \u95ee\u9898<\/h3>\n
        \u4e0a\u9762\u7684\u4ee3\u7801\u5728\u4e00\u5f00\u59cb\u6d4b\u8bd5\u7684\u65f6\u5019\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u4f46\u662f\u540e\u9762\u53d1\u73b0\u6709\u65f6\u5019\u8fd8\u662f\u65e0\u6cd5\u6355\u83b7\u5230panic\u4fe1\u606f\u3002\u751a\u81f3\u66f4\u79bb\u5947\u7684\u662f\uff0c\u4e0d\u4f7f\u7528init\u65b9\u6cd5\uff0c\u6539\u4e3a\u663e\u5f0f\u8c03\u7528\u540e\u6b63\u5e38\uff0c\u4f46\u662f\u91cd\u6784\u4ee3\u7801\u3001\u8c03\u6574\u4e86\u8c03\u7528\u4f4d\u7f6e\u540e\u53c8\u4e0d\u884c\u4e86\uff01<\/p>\n
        \u55ef\uff1f\uff1f\uff1f\uff1f<\/p>\n
        \u6392\u67e5<\/h3>\n
        \u4e3a\u4ec0\u4e48coredump.log\u6587\u4ef6\u662f\u7a7a\u7684\uff1f<\/h4>\n
        \u9996\u5148\uff0c\u7a0b\u5e8f\u542f\u52a8\u540e\uff0ccoredump.log\u6587\u4ef6\u786e\u5b9e\u662f\u521b\u5efa\u4e86\u7684\u3002\u7b80\u5355\u6392\u67e5\u540e\u53d1\u73b0\uff0cinit\u51fd\u6570\u4e5f\u662f\u786e\u5b9e\u6267\u884c\u4e86\u5e76\u4e14\u6ca1\u6709\u8fd4\u56de\u9519\u8bef\u3002\u4f46\u662f\u7a0b\u5e8fpanic\u540e\u6587\u4ef6\u91cc\u4e5f\u786e\u5b9e\u662f\u7a7a\u7684\u3002<\/p>\n
        \u9996\u5148\u4f7f\u7528strace\u5de5\u5177\uff0c\u67e5\u770b\u7cfb\u7edf\u8c03\u7528\u60c5\u51b5\uff0c\u5230\u5e95\u6709\u6ca1\u6709\u5f80coredump.log\u6587\u4ef6\u4e2d\u5199\u6570\u636e\u3002<\/p>\n
        1strace\u00a0-ff\u00a0-o\u00a0trace\u00a0-p\u00a030526<\/pre>\n
        \u53ef\u4ee5\u770b\u5230\uff0c\u786e\u5b9e\u662f\u8c03\u7528\u4e86\u7cfb\u7edf\u8c03\u7528write\uff0c\u5e76\u4e14\u5199\u5230\u4e862\uff08\u6807\u51c6\u9519\u8bef\uff09\u4e2d\uff0c\u4f46\u662f\u8fd4\u56de\u7ed3\u679c\u5374\u662fBad file descriptor\u3002\u901a\u5e38\u51fa\u73b0\u8fd9\u4e2a\u9519\u8bef\u7684\u539f\u56e0\u662f\u6587\u4ef6\u7684\u6743\u9650\u8bbe\u7f6e\u6709\u95ee\u9898\uff0c\u6bd4\u5982\u4ee5\u53ea\u8bfb\u65b9\u5f0f\u6253\u5f00\u3002\u4f46\u662f\u4ee5\u4e0a\u4ee3\u7801\u662f\u6ca1\u95ee\u9898\u7684\u554a\uff0c\u4e5f\u6709\u5199\u6743\u9650\u3002<\/p>\n
        \u6ca1\u529e\u6cd5\uff0c\u770b\u4e00\u4e0b\u8fdb\u7a0b\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u4fe1\u606f\u5427\u3002\u63a5\u7740\u67e5\u770b\u4e86\/proc\/$pid\/fd\u76ee\u5f55\u3002<\/p>\n
        1ll\u00a0\/proc\/30526\/fd<\/pre>\n
        \u4e0d\u770b\u4e0d\u77e5\u9053\uff0c\u4e00\u770b\u5413\u4e00\u8df3\u3002<\/p>\n
        \u4e3a\u4ec0\u4e481\u548c2\u53d8\u6210\u4e86socket\uff1f\u6b63\u5e38\u6765\u8bf4\u5e94\u8be5\u662f\/dev\/pts\/0\uff0c\u91cd\u5b9a\u5411\u540e\u5e94\u8be5\u662f\u91cd\u5b9a\u5411\u7684\u6587\u4ef6\u624d\u5bf9\uff0c\u4e3a\u4ec0\u4e48\u4f1a\u53d8\u6210socket?<\/p>\n
        \u4e3a\u4ec0\u4e481\u548c2\u53d8\u6210\u4e86socket\u53e5\u67c4\uff1f<\/h4>\n
        \u4f7f\u7528lsof\u5de5\u5177\u67e5\u770b\u8be5socket\u4fe1\u606f<\/p>\n
        1lsof\u00a0-i\u00a0|grep\u00a0209374<\/pre>\n
        \u53d1\u73b0\u8be5socket\u5c45\u7136\u662f\u6211http\u670d\u52a1\u5f00\u542f\u76d1\u542c\u7684socket\u3002\u8fd9\u5c31\u5f88\u5947\u602a\u4e86\u3002<\/p>\n
        \u5b8c\u6574\u4ee3\u7801\u5982\u4e0b\uff08\u4e3a\u4e86\u590d\u73b0\u5199\u7684\u793a\u4f8b\uff0c\u975e\u771f\u5b9e\u4ee3\u7801\uff09\uff1a<\/p>\n
        \/\/\n\/\/ main.go\n\nfunc main() {\n\n\tioutil.WriteFile(\"pidfile\", []byte(strconv.Itoa(os.Getpid())), os.ModePerm)\n\n\tgo func() {\n\t\t\/\/ \u6a21\u62df\u7a0b\u5e8fpanic\n\t\ttime.Sleep(time.Second * 5)\n\t\tpanic(\"adalkdjlfjlsfjalsfjls\")\n\t}()\n\n\t\/\/ \u4e0b\u9762\u7684\u4ee3\u7801\u662f\u4e3a\u4e86\u4f7f\u7cfb\u7edf\u5c3d\u5feb\u8fdb\u884c\u5783\u573e\u56de\u6536\u64cd\u4f5c\n\t\/\/\n\t\/\/initSize := 100\n\t\/\/for i := 0; i < 20; i++ {\n\t\/\/  data = make([]byte, initSize)\n\t\/\/  \/\/time.Sleep(time.Second)\n\t\/\/  initSize *= 2\n\t\/\/}\n\n\tgo func() {\n\t\tif err := http.ListenAndServe(\":10086\", nil); err != nil {\n\t\t\tpanic(err)\n\t\t}\n\t}()\n\n\tgo func() {\n\t\tif err := http.ListenAndServe(\":10010\", nil); err != nil {\n\t\t\tpanic(err)\n\t\t}\n\t}()\n\n\tch := make(chan os.Signal)\n\tsignal.Notify(ch, syscall.SIGINT)\n\t<-ch\n}<\/pre>\n
        \u95ee\u9898\u5230\u8fd9\u91cc\u5c31\u9677\u5165\u4e86\u6b7b\u80e1\u540c\uff0c\u4ee5\u4e0a\u4ee3\u7801\u5e94\u8be5\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898\uff0c\u4f46\u4e3a\u4ec0\u4e48\u4f1a\u51fa\u73b0\u4e0a\u8ff0\u60c5\u5f62\u5462\uff1f<\/p>\n
        \u67f3\u6697\u82b1\u660e<\/h4>\n
        \u5728\u7ecf\u8fc7\u6f2b\u957f\u7684\u8c03\u6574\u4ee3\u7801\u4f4d\u7f6e\u3001\u52a0\u8c03\u8bd5\u65e5\u5fd7\u3001\u4e00\u6b21\u6b21\u4e0d\u540c\u60c5\u5f62\u4e0b\u590d\u73b0\u540e\uff0c\u7ec8\u4e8e\u53d1\u73b0\u4e86\u95ee\u9898\u53ef\u80fd\u51fa\u5728\u53d8\u91cf\u88ab\u5783\u573e\u56de\u6536\u8fd9\u4e2a\u95ee\u9898\u4e0a\u4e86\u3002<\/p>\n
        \u518d\u540e\u5934\u770b\u4e0b\u6700\u5f00\u59cb\u7684\u91cd\u5b9a\u5411\u7684\u4ee3\u7801\uff1a<\/p>\n
        package main\n\nimport (\n\t\"os\"\n\t\"syscall\"\n)\n\nfunc init() {\n\tfd, err := os.OpenFile(\"coredump.log\", os.O_WRONLY|os.O_APPEND|os.O_CREATE, os.ModePerm)\n\tif err != nil {\n\t\tfmt.Println(\"create file descriptor error:\", err)\n\t\treturn\n\t}\n\n\tSetStdHandle(fd, fd)\n}\n\nfunc SetStdHandle(stdout, stderr *os.File) error {\n\n\tif err := syscall.Dup2(int(stdout.Fd()), int(os.Stdout.Fd())); err != nil {\n\t\treturn err\n\t}\n\t*os.Stdout = *stdout\n\n\tif err := syscall.Dup2(int(stderr.Fd()), int(os.Stderr.Fd())); err != nil {\n\t\treturn err\n\t}\n\t*os.Stderr = *stderr\n\n\treturn nil\n}\n<\/pre>\n
        \u5176\u4e2d\u7b2c16\u884c\u548c\u7b2c21\u884c\u5f53\u521d\u662f\u4e3a\u4e86\u5176\u4ed6\u5730\u65b9\u5728\u76f4\u63a5\u4f7f\u7528os.Stdout\u548cos.Stderr\u7684\u65f6\u5019\u4e5f\u4f1a\u76f4\u63a5\u5199\u5165\u6587\u4ef6\u4e2d\uff0c\u6240\u4ee5\u52a0\u7684\uff08\u4e8b\u5b9e\u8bc1\u660e\u662f\u6211\u753b\u86c7\u6dfb\u8db3\u4e86\uff09\u3002<\/p>\n
        \u4f46\u662f\u95ee\u9898\u5c31\u51fa\u5728\u8fd9\u91cc\u4e86\u3002\u8fd9\u4e24\u4e2a\u53d8\u91cf\u6307\u5411\u4e86\u65b0\u7684\u5730\u5740\uff0c\u800c\u539f\u6765\u6307\u5411\u7684\u5185\u5b58\u7531\u4e8e\u6ca1\u88ab\u5f15\u7528\u4e86\uff08\u4e0d\u53ef\u8fbe\uff09\uff0c\u6240\u4ee5\u4f1a\u88ab\u5783\u573e\u56de\u6536\u6389\u3002<\/p>\n
        \u5173\u952e\u5230\u4e86\uff0c\u770b\u4e00\u4e0b\u8fd9\u4e24\u4e2a\u53d8\u91cf\u7684\u5b9a\u4e49\uff1a<\/p>\n
        var (\n    Stdin  = NewFile(uintptr(syscall.Stdin), \"\/dev\/stdin\")\n    Stdout = NewFile(uintptr(syscall.Stdout), \"\/dev\/stdout\")\n    Stderr = NewFile(uintptr(syscall.Stderr), \"\/dev\/stderr\")\n)<\/pre>\n
        NewFile\u51fd\u6570\u5b9a\u4e49\uff1a<\/p>\n
        func NewFile(fd uintptr, name string) *File {\n\tkind := kindNewFile\n\tif nb, err := unix.IsNonblock(int(fd)); err == nil && nb {\n\t\tkind = kindNonBlock\n\t}\n\treturn newFile(fd, name, kind)\n}<\/pre>\n
        newFile:<\/p>\n
        func newFile(fd uintptr, name string, kind newFileKind) *File {\n\tf := &File{&file{\n\t\tpfd: poll.FD{\n\t\t\tSysfd:         fdi,\n\t\t\tIsStream:      true,\n\t\t\tZeroReadIsEOF: true,\n\t\t},\n\t\tname:        name,\n\t\tstdoutOrErr: fdi == 1 || fdi == 2,\n\t}}\n\n\t\/\/ \u6b64\u5904\u7701\u7565n\u884c\n\n\truntime.SetFinalizer(f.file, (*file).close)\n\treturn f\n\n}\n<\/pre>\n
        \u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u8fd9\u5757\u5185\u5b58\u88ab\u56de\u6536\u65f6\uff0c\u4f1a\u8c03\u7528close\u65b9\u6cd5\uff0c\u5f53\u53e5\u67c4\u6ca1\u6709\u88ab\u5f15\u7528\u65f6\uff0c\u4f1a\u88ab\u5173\u95ed\u3002<\/p>\n
        \u4e3a\u4e86\u9a8c\u8bc1\u8fd9\u4e2a\u60f3\u6cd5\uff0c\u6539\u5199\u4e86\u6807\u51c6\u5e93\u7684\u4ee3\u7801\uff0c\u5728close\u65b9\u6cd5\u4e2d\u589e\u52a0\u4e86\u4e00\u884c\u65e5\u5fd7\uff1a<\/p>\n
        \n\/\/file.go\n\nvar (\n\tStdin   = NewFile(uintptr(syscall.Stdin), \"\/dev\/stdin\")\n\tStdout  = NewFile(uintptr(syscall.Stdout), \"\/dev\/stdout\")\n\tStderr  = NewFile(uintptr(syscall.Stderr), \"\/dev\/stderr\")\n\tdebuger *File\n)\n\nfunc init() {\n\tdebuger, _ = OpenFile(\"debuger.log\", O_WRONLY|O_CREAT|O_APPEND, os.ModPerm)\n}\n\n\/\/ file_unix.go\nfunc (file *file) close() error {\n\tdebuger.WriteString(\"file descriptor closed:\" + strconv.Itoa(Getpid()) + \"\\n\")\n\tif file == nil {\n\t\treturn syscall.EINVAL\n\t}\n\tif file.dirinfo != nil {\n\t\tfile.dirinfo.close()\n\t}\n\tvar err error\n\tif e := file.pfd.Close(); e != nil {\n\t\tif e == poll.ErrFileClosing {\n\t\t\te = ErrClosed\n\t\t}\n\t\terr = &PathError{\"close\", file.name, e}\n\t}\n\n\t\/\/ no need for a finalizer anymore\n\truntime.SetFinalizer(file, nil)\n\treturn err\n}\n<\/pre>\n
        \u91cd\u65b0\u8fd0\u884c\u7a0b\u5e8f\uff0c\u7136\u540e\u67e5\u770bdebuger.log\u6587\u4ef6\uff1a<\/p>\n
        \u679c\u7136\uff0c\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u90fd\u88ab\u5173\u95ed\u4e86\uff01<\/p>\n
        \u540e\u6765\uff0c\u53c8\u67e5\u4e86linux\u4e0b\u6587\u4ef6\u63cf\u8ff0\u7b26\u7684\u5206\u914d\u65b9\u6cd5\uff08fs\/file.c: alloc_fd\uff09\uff1a\u6bcf\u6b21\u4f18\u5148\u5206\u914dfd\u503c\u6700\u5c0f\u7684\u7a7a\u95f2fd<\/strong>\u3002<\/p>\n
        \u81f3\u6b64\uff0c\u95ee\u9898\u5df2\u7ecf\u660e\u4e86\u4e86\uff1a<\/p>\n
          \n
        1. \u4e71\u7ed9\u53d8\u91cf\u8d4b\u503c\uff0c\u9020\u6210\u5783\u573e\u56de\u6536\uff0c\u8c03\u7528Finalizer\uff0c\u91ca\u653e\u4e86\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<\/li>\n
        2. \u540e\u7eed\u6709\u7533\u8bf7\u6587\u4ef6\u63cf\u8ff0\u7b26\u64cd\u4f5c\uff08\u6253\u5f00\u6587\u4ef6\u3001\u76d1\u542c\u7aef\u53e3\u3001\u63a5\u53d7\u8fde\u63a5\u7b49\uff09\uff0c\u91cd\u65b0\u5206\u914d\u4e861\u548c2\u3002<\/li>\n
        3. \u540e\u7eed\u8c03\u7528write\u7cfb\u7edf\u8c03\u7528\u7684\u65f6\u5019\uff0c\u4e0d\u53ef\u5199\uff0c\u65e0\u6cd5\u5199\u5165\u3002<\/li>\n<\/ol>\n
          \u603b\u7ed3<\/h3>\n
            \n
          1. strace\u5f88\u597d\u5f88\u5f3a\u5927<\/li>\n
          2. \/proc\/$pid\/<\/code>\u4e0b\u9762\u53ef\u4ee5\u67e5\u770b\u8fdb\u7a0b\u7684\u5f88\u591a\u4fe1\u606f<\/li>\n
          3. \u6ca1\u4e8b\u522b\u778e\u52a8\u6807\u51c6\u5e93\u7684\u4e1c\u897f<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
            \u80cc\u666f \u5728Go\u7a0b\u5e8f\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5f88\u6709\u53ef\u80fd\u9020\u6210\u7a0b\u5e8fpanic\uff0c\u5e76\u4e14\u8fd9\u4e2apanic\u7684\u4fe1\u606f\u662f\u4e0d\u4f1a\u88ab\u8bb0\u5f55\u5728\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684\u3002\u8fd9\u79cd\u60c5\u51b5\u8be5\u600e\u4e48\u529e\uff1f\u4e00\u79cd\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528recover\uff0c\u901a\u8fc7recover\u6765\u6355\u83b7panic\u4fe1\u606f\uff0c\u7136\u540e\u518d\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u3002\u4f46\u662f\u8fd9\u79cd\u65b9\u6cd5\u6709\u4e24\u4e2a\u7f3a\u9677\u200b\uff1a recover\u53ea\u80fd\u6062\u590d\u540c\u4e00\u4e2agoroutine\u4e2d\u7684panic\uff0c\u4e0d\u540cgoroutine\u7684\u4e0d\u80fd\u88ab\u2026\u2026<\/p>\n","protected":false},"author":1,"featured_media":156,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"_links":{"self":[{"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/posts\/148"}],"collection":[{"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=148"}],"version-history":[{"count":1,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions"}],"predecessor-version":[{"id":158,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/posts\/148\/revisions\/158"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=\/wp\/v2\/media\/156"}],"wp:attachment":[{"href":"https:\/\/chenqinghe.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chenqinghe.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}