{"id":603,"date":"2016-12-28T14:31:10","date_gmt":"2016-12-28T06:31:10","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=603"},"modified":"2016-12-28T14:31:10","modified_gmt":"2016-12-28T06:31:10","slug":"%e9%87%8d%e6%96%b0%e8%bd%bd%e5%85%a5%e5%87%bd%e6%95%b0%ef%bc%88reentrant-functions%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=603","title":{"rendered":"\u91cd\u65b0\u8f7d\u5165\u51fd\u6570\uff08Reentrant Functions\uff09"},"content":{"rendered":"

\u5f53\u4e00\u4e2a\u4fe1\u53f7\u88ab\u6355\u83b7\u540e\uff0c\u88ab\u4e00\u4e2a\u8fdb\u7a0b\u5904\u7406\uff0c\u8be5\u8fdb\u7a0b\u7684\u6b63\u5e38\u6307\u4ee4\u961f\u5217\u88ab\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e34\u65f6\u4e2d\u65ad\u3002\u8fdb\u7a0b\u4f1a\u7ee7\u7eed\u5904\u7406\uff0c\u4e0d\u8fc7\u6267\u884c\u7684\u662f\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u7684\u6307\u4ee4\u3002\u5982\u679c\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u8fd4\u56de\uff08\u4e0d\u662f\u8c03\u7528exit<\/span>\u6216longjmp<\/span>\uff09\uff0c\u4f1a\u7ee7\u7eed\u6355\u83b7\u4fe1\u53f7\u4e4b\u524d\u6307\u4ee4\u7ee7\u7eed\u6267\u884c\u3002\u4f46\u662f\u5f53\u4fe1\u53f7\u88ab\u6355\u83b7\u540e\uff0c\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4e0d\u80fd\u544a\u8bc9\u8fdb\u7a0b\u5904\u7406\u5230\u54ea\u91cc\u4e86\u3002\u5f53\u8fdb\u7a0b\u4f7f\u7528malloc<\/span>\u5411\u5806\u4e0a\u5206\u914d\u989d\u5916\u5185\u5b58\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u8fd8\u6709\u6211\u4eec\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528malloc<\/span>\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u6216\u8005\u8fdb\u7a0b\u6b63\u5728\u8c03\u4e00\u4e2a\u51fd\u6570\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5982\uff1agetpwnam<\/span>\uff0c\u5b83\u628a\u7ed3\u679c\u5b58\u50a8\u5728\u4e00\u4e2a\u9759\u6001\u533a\u57df\u4e2d\uff0c\u5e76\u4e14\u6211\u4eec\u4f1a\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528\u76f8\u540c\u7684\u51fd\u6570\uff0c\u8fd9\u65f6\u4f1a\u53d1\u751f\u4ec0\u4e48\uff1f\u5728malloc<\/span>\u7684\u4f8b\u5b50\u4e2d\uff0c\u7834\u574f\u4f1a\u5f71\u54cd\u5230\u8fdb\u7a0b\uff0c\u56e0\u4e3amalloc<\/span>\u4e00\u822c\u7ef4\u62a4\u7740\u4e00\u4e2a\u94fe\u8868\uff0c\u8be5\u94fe\u8868\u5305\u542b\u6240\u6709\u5b83\u5206\u914d\u7684\u533a\u57df\uff0c\u5e76\u4e14\u5b83\u53ef\u80fd\u5df2\u7ecf\u6539\u53d8\u4e86\u94fe\u8868\u4e2d\u7684\u6570\u636e\u3002\u5728getpwnam<\/span>\u4f8b\u5b50\u4e2d\uff0c\u6b63\u5e38\u8c03\u7528\u8005\u7684\u6570\u636e\u53ef\u80fd\u88ab\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u8986\u76d6\u3002<\/p>\n

Single UNIX Specification\u6307\u5b9a\u4e86\u4e00\u4e9b\u51fd\u6570\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u5b83\u4eec\u91cd\u65b0\u8f7d\u5165\uff08reentrant\uff09\u3002<\/p>\n\n\n\n
\n\n\n\n\n\n\n<\/colgroup>\n<\/thead>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n
Figure 10.4. Reentrant functions that may be called from a signal handler<\/h5>\n<\/caption>\n
\n

accept<\/tt><\/p>\n<\/td>\n

\n

fchmod<\/tt><\/p>\n<\/td>\n

\n

lseek<\/tt><\/p>\n<\/td>\n

\n

sendto<\/tt><\/p>\n<\/td>\n

\n

stat<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

access<\/tt><\/p>\n<\/td>\n

\n

fchown<\/tt><\/p>\n<\/td>\n

\n

lstat<\/tt><\/p>\n<\/td>\n

\n

setgid<\/tt><\/p>\n<\/td>\n

\n

symlink<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

aio_error<\/tt><\/p>\n<\/td>\n

\n

fcntl<\/tt><\/p>\n<\/td>\n

\n

mkdir<\/tt><\/p>\n<\/td>\n

\n

setpgid<\/tt><\/p>\n<\/td>\n

\n

sysconf<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

aio_return<\/tt><\/p>\n<\/td>\n

\n

fdatasync<\/tt><\/p>\n<\/td>\n

\n

mkfifo<\/tt><\/p>\n<\/td>\n

\n

setsid<\/tt><\/p>\n<\/td>\n

\n

tcdrain<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

aio_suspend<\/tt><\/p>\n<\/td>\n

\n

fork<\/tt><\/p>\n<\/td>\n

\n

open<\/tt><\/p>\n<\/td>\n

\n

setsockopt<\/tt><\/p>\n<\/td>\n

\n

tcflow<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

alarm<\/tt><\/p>\n<\/td>\n

\n

fpathconf<\/tt><\/p>\n<\/td>\n

\n

pathconf<\/tt><\/p>\n<\/td>\n

\n

setuid<\/tt><\/p>\n<\/td>\n

\n

tcflush<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

bind<\/tt><\/p>\n<\/td>\n

\n

fstat<\/tt><\/p>\n<\/td>\n

\n

pause<\/tt><\/p>\n<\/td>\n

\n

shutdown<\/tt><\/p>\n<\/td>\n

\n

tcgetattr<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

cfgetispeed<\/tt><\/p>\n<\/td>\n

\n

fsync<\/tt><\/p>\n<\/td>\n

\n

pipe<\/tt><\/p>\n<\/td>\n

\n

sigaction<\/tt><\/p>\n<\/td>\n

\n

tcgetpgrp<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

cfgetospeed<\/tt><\/p>\n<\/td>\n

\n

ftruncate<\/tt><\/p>\n<\/td>\n

\n

poll<\/tt><\/p>\n<\/td>\n

\n

sigaddset<\/tt><\/p>\n<\/td>\n

\n

tcsendbreak<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

cfsetispeed<\/tt><\/p>\n<\/td>\n

\n

getegid<\/tt><\/p>\n<\/td>\n

\n

posix_trace_event<\/tt><\/p>\n<\/td>\n

\n

sigdelset<\/tt><\/p>\n<\/td>\n

\n

tcsetattr<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

cfsetospeed<\/tt><\/p>\n<\/td>\n

\n

geteuid<\/tt><\/p>\n<\/td>\n

\n

pselect<\/tt><\/p>\n<\/td>\n

\n

sigemptyset<\/tt><\/p>\n<\/td>\n

\n

tcsetpgrp<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

chdir<\/tt><\/p>\n<\/td>\n

\n

getgid<\/tt><\/p>\n<\/td>\n

\n

raise<\/tt><\/p>\n<\/td>\n

\n

sigfillset<\/tt><\/p>\n<\/td>\n

\n

time<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

chmod<\/tt><\/p>\n<\/td>\n

\n

getgroups<\/tt><\/p>\n<\/td>\n

\n

read<\/tt><\/p>\n<\/td>\n

\n

sigismember<\/tt><\/p>\n<\/td>\n

\n

timer_getoverrun<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

chown<\/tt><\/p>\n<\/td>\n

\n

getpeername<\/tt><\/p>\n<\/td>\n

\n

readlink<\/tt><\/p>\n<\/td>\n

\n

signal<\/tt><\/p>\n<\/td>\n

\n

timer_gettime<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

clock_gettime<\/tt><\/p>\n<\/td>\n

\n

getpgrp<\/tt><\/p>\n<\/td>\n

\n

recv<\/tt><\/p>\n<\/td>\n

\n

sigpause<\/tt><\/p>\n<\/td>\n

\n

timer_settime<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

close<\/tt><\/p>\n<\/td>\n

\n

getpid<\/tt><\/p>\n<\/td>\n

\n

recvfrom<\/tt><\/p>\n<\/td>\n

\n

sigpending<\/tt><\/p>\n<\/td>\n

\n

times<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

connect<\/tt><\/p>\n<\/td>\n

\n

getppid<\/tt><\/p>\n<\/td>\n

\n

recvmsg<\/tt><\/p>\n<\/td>\n

\n

sigprocmask<\/tt><\/p>\n<\/td>\n

\n

umask<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

creat<\/tt><\/p>\n<\/td>\n

\n

getsockname<\/tt><\/p>\n<\/td>\n

\n

rename<\/tt><\/p>\n<\/td>\n

\n

sigqueue<\/tt><\/p>\n<\/td>\n

\n

uname<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

dup<\/tt><\/p>\n<\/td>\n

\n

getsockopt<\/tt><\/p>\n<\/td>\n

\n

rmdir<\/tt><\/p>\n<\/td>\n

\n

sigset<\/tt><\/p>\n<\/td>\n

\n

unlink<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

dup2<\/tt><\/p>\n<\/td>\n

\n

getuid<\/tt><\/p>\n<\/td>\n

\n

select<\/tt><\/p>\n<\/td>\n

\n

sigsuspend<\/tt><\/p>\n<\/td>\n

\n

utime<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

execle<\/tt><\/p>\n<\/td>\n

\n

kill<\/tt><\/p>\n<\/td>\n

\n

sem_post<\/tt><\/p>\n<\/td>\n

\n

sleep<\/tt><\/p>\n<\/td>\n

\n

wait<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

execve<\/tt><\/p>\n<\/td>\n

\n

link<\/tt><\/p>\n<\/td>\n

\n

send<\/tt><\/p>\n<\/td>\n

\n

socket<\/tt><\/p>\n<\/td>\n

\n

waitpid<\/tt><\/p>\n<\/td>\n<\/tr>\n

\n

_Exit & _exit<\/tt><\/p>\n<\/td>\n

\n

listen<\/tt><\/p>\n<\/td>\n

\n

sendmsg<\/tt><\/p>\n<\/td>\n

\n

socketpair<\/tt><\/p>\n<\/td>\n

\n

write<\/tt><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8fd8\u6709\u5f88\u591a\u51fd\u6570\u4e0d\u5728Figure 10.4\u4e2d\uff0c\u56e0\u4e3a\uff08a\uff09\u5b83\u4eec\u4f7f\u7528\u9759\u6001\u6570\u636e\u7ed3\u6784\uff08b\uff09\u5b83\u4eec\u8c03\u7528malloc<\/span>\u6216free<\/span>\uff08c\uff09\u5b83\u4eec\u662f\u6807\u51c6I\/O\u5e93\u7684\u4e00\u90e8\u5206\u3002\u591a\u6570\u6807\u51c6I\/O\u5e93\u7684\u5b9e\u73b0\uff0c\u4ee5\u975e\u91cd\u65b0\u8f7d\u5165\uff08nonreentrant\uff09\u7684\u65b9\u5f0f\u4f7f\u7528\u5168\u5c40\u6570\u636e\u7ed3\u6784\u3002\u6ce8\u610f\uff0c\u5373\u4fbf\u5728\u6211\u4eec\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4f8b\u5b50\u4e2d\u8c03\u7528printf<\/span>\uff0c\u4e5f\u4e0d\u4fdd\u8bc1\u6709\u9884\u8ba1\u7684\u7ed3\u679c\uff0c\u56e0\u4e3a\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u80fd\u4e2d\u65ad\u6211\u4eec\u7684\u4e3b\u51fd\u6570\u540e\u8c03\u7528printf<\/span>\u3002<\/p>\n

\u8981\u77e5\u9053\u5373\u4f7f\u6211\u4eec\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528\u4e86Figure 10.4\u4e2d\u7684\u51fd\u6570\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u4e5f\u53ea\u6709\u4e00\u4e2aerrno<\/span>\u53d8\u91cf\uff08APUE\u76841.7\u8282\u8c08\u8bba\u4e86errno\u548c\u7ebf\u7a0b\uff09\uff0c\u5e76\u4e14\u6211\u4eec\u53ef\u4ee5\u4fee\u6539\u8fd9\u4e2a\u503c\u3002\u8003\u8651\u4e00\u4e2a\u4fe1\u53f7\u5904\u7406\u51fd\u6570\uff0c\u5b83\u5728main<\/span>\u51fd\u6570\u521a\u8bbe\u7f6e\u5b8cerrno<\/span>\u540e\u7acb\u5373\u88ab\u8c03\u7528\uff0c\u5982\u679c\u8fd9\u4e2a\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u8c03\u7528read<\/span>\uff0c\u800c\u4e14\u8fd9\u4e2a\u8c03\u7528\u53ef\u4ee5\u6539\u53d8errno<\/span>\u7684\u503c\uff0c\u90a3\u4e48\u8fd9\u5c06\u4f1a\u64e6\u9664\u4e4b\u524d\u5728main<\/span>\u51fd\u6570\u4e2d\u5b58\u50a8\u4e8eerrno<\/span>\u4e2d\u7684\u503c\u3002\u56e0\u6b64\uff0c\u505a\u4e3a\u4e00\u822c\u89c4\u5219\uff0c\u5f53\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528Figure 10.4\u4e2d\u7684\u51fd\u6570\u65f6\uff0c\u6211\u4eec\u5e94\u8be5\u4fdd\u5b58\u548c\u6062\u590derrno<\/span>\u4e2d\u7684\u503c\u3002<\/span>\uff08<\/strong>\u8981\u77e5\u9053\u901a\u5e38\u6355\u83b7\u4e86SIGCHLD\u4fe1\u53f7\u540e\uff0c\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u90fd\u4f1a\u8c03\u7528wait<\/span>\u51fd\u6570\uff08\u51e0\u4e2a\u7248\u672c\u4e2d\u7684\u4e00\u4e2a\uff09\uff0c\u800c\u6240\u6709\u7684wait<\/span>\u51fd\u6570\u90fd\u80fd\u6539\u53d8errno<\/span>\u503c\u3002\uff09<\/strong><\/p>\n

\u6ce8\u610flongjmp\uff08APUE 7.10\u8282\uff09<\/span>\u548csiglongjmp(APUE 10.15\u8282)<\/span>\u4e0d\u5728Figure 10.4\u4e2d\uff0c\u56e0\u4e3a\u53ef\u80fd\u4fe1\u53f7\u53d1\u751f\u7684\u540c\u65f6\uff0cmain\u4f8b\u7a0b\u5df2\u7ecf\u4ee5\u975e\u91cd\u65b0\u8f7d\u5165\uff08nonreentrant way\uff09\u7684\u65b9\u5f0f\u66f4\u65b0\u4e86\u6570\u636e\u7ed3\u6784\u3002\u5982\u679c\u6211\u4eec\u8c03\u7528siglongjmp<\/span>\u4ee3\u66ff\u4ece\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u8fd4\u56de\uff0c\u8fd9\u65f6\u8fd9\u4e2a\u6570\u636e\u7ed3\u6784\u53ef\u80fd\u5df2\u7ecf\u66f4\u65b0\u4e86\u4e00\u534a\u3002\u5982\u679c\u7528\u7c7b\u4f3c\u7684\u65b9\u5f0f\u66f4\u65b0\u5168\u5c40\u6570\u636e\u7ed3\u6784\uff0c\u5f53\u6355\u83b7\u4fe1\u53f7\u7684\u540c\u65f6\uff0c\u4f1a\u5bfc\u81f4sigsetjmp<\/span>\u88ab\u6267\u884c\uff0c\u4e00\u4e2a\u5e94\u7528\u987b\u8981\u5728\u66f4\u65b0\u6570\u636e\u7ed3\u6784\u7684\u540c\u65f6\u963b\u585e\u4fe1\u53f7\u3002<\/p>\n

\u4f8b\u5b50\uff1a<\/h1>\n\n\n\n
\n
Figure 10.5. Call a nonreentrant function from a signal handler<\/h5>\n
#include \"apue.h\"\r\n#include <pwd.h>\r\n\r\nstatic void\r\nmy_alarm(int signo)\r\n{\r\n    struct passwd   *rootptr;\r\n\r\n    printf(\"in signal handler\\n\");\r\n    if ((rootptr = getpwnam(\"root\")) == NULL)\r\n            err_sys(\"getpwnam(root) error\");\r\n    alarm(1);\r\n}\r\n\r\nint\r\nmain(void)\r\n{\r\n    struct passwd   *ptr;\r\n\r\n    signal(SIGALRM, my_alarm);\r\n    alarm(1);\r\n    for ( ; ; ) {\r\n        if ((ptr = getpwnam(\"sar\")) == NULL)\r\n            err_sys(\"getpwnam error\");\r\n        if (strcmp(ptr->pw_name, \"sar\") != 0)\r\n            printf(\"return value corrupted!, pw_name = %s\\n\",\r\n                    ptr->pw_name);\r\n    }\r\n}\r\n<\/span><\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e0a\u9762\u7684\u4f8b\u5b50\u663e\u793a\u4e86\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u5b83\u4ece\u6bcf\u79d2\u8c03\u7528\u4e00\u6b21\u7684\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e2d\u8c03\u7528\u4e86\u4e00\u4e2a\u975e\u91cd\u65b0\u8f7d\u5165\u51fd\u6570\uff08nonreentrant function\uff09getpwnam<\/span>\u3002alarm\u51fd\u6570\u4f1a\u5728APUE 10.10\u8282\u4ecb\u7ecd\u3002\u5728\u8fd9\u91cc\u6211\u4eec\u7528\u5b83\u6bcf\u79d2\u4ea7\u751f\u4e00\u4e2aSIGALRM<\/span>\u4fe1\u53f7\u3002<\/p>\n
\u5f53\u8fd9\u4e2a\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u7ed3\u679c\u662f\u968f\u673a\u7684\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5f53\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4f1a\u5728\u51e0\u6b21\u8fed\u4ee3\u540e\u8fd4\u56de\uff0c\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u88abSIGSEGV<\/span>\u4fe1\u53f7\u7ed3\u675f\u3002\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5core<\/span>\u6587\u4ef6\u6765\u67e5\u770bmain<\/span>\u51fd\u6570\u5df2\u7ecf\u8c03\u7528getpwnam<\/span>\uff0c\u4f46\u662f\u5b83\u7684\u4e00\u4e9b\u5185\u90e8\u6307\u9488\u5728\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u8c03\u7528\u76f8\u540c\u51fd\u6570\u65f6\u5df2\u7ecf\u88ab\u7834\u574f\u3002\u5076\u5c14\u8fd9\u4e2a\u7a0b\u5e8f\u4e5f\u80fd\u5728\u6536\u5230SIGSEGV<\/span>\u4fe1\u53f7\u524d\u8fd0\u884c\u51e0\u79d2\u949f\u3002\u5f53\u4fe1\u53f7\u88ab\u6355\u83b7\u540emain\u51fd\u6570\u6b63\u786e\u7684\u8fd0\u884c\u65f6\uff0c\u8fd4\u56de\u503c\u6709\u65f6\u662f\u597d\u7684\uff0c\u800c\u6709\u65f6\u662f\u88ab\u7834\u574f\u4e86\u7684\u3002\u5728Mac OS X\u4e0a\uff0cmalloc<\/span>\u5e93\u4f1a\u8f93\u51fa\u4e00\u6761\u8b66\u544a\u4fe1\u606f\uff1a\u91ca\u653e\u8fc7\u7684\u5185\u5b58\u4e0d\u4f1a\u518d\u88abmalloc<\/span>\u5206\u914d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u4e00\u4e2a\u4fe1\u53f7\u88ab\u6355\u83b7\u540e\uff0c\u88ab\u4e00\u4e2a\u8fdb\u7a0b\u5904\u7406\uff0c\u8be5\u8fdb\u7a0b\u7684\u6b63\u5e38\u6307\u4ee4\u961f\u5217\u88ab\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u4e34\u65f6\u4e2d\u65ad\u3002\u8fdb\u7a0b\u4f1a\u7ee7\u7eed\u5904\u7406\uff0c\u4e0d\u8fc7\u6267\u884c\u7684\u662f\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u7684\u6307\u4ee4\u3002\u5982\u679c\u4fe1\u53f7\u5904\u7406\u51fd\u6570\u8fd4\u56de\uff08\u4e0d\u662f\u8c03\u7528e…<\/p>\n
 Read More  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-603","post","type-post","status-publish","format-standard","hentry","category-apue"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/603","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=603"}],"version-history":[{"count":8,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/603\/revisions"}],"predecessor-version":[{"id":611,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/603\/revisions\/611"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}