我的程序使用主线程接受传递连接（因此没有接受赛车！），然后将其交给4个从属线程，当r / w返回0时它们将关闭。
但有时像这样的日志打印.....
Feb 27 00:13:31 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031324988)"
Feb 27 00:13:31 mx59 lp_server.c[69] __lp_listening_handler: "<-1195489312> [INFO] ldapproxy accept new connection succ!"
Feb 27 00:13:33 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031324792)"
Feb 27 00:13:33 mx59 lp_server.c[69] __lp_listening_handler: "<-1195489312> [INFO] ldapproxy accept new connection succ!"
Feb 27 00:13:33 mx59 lp_ldap.c[603] lp_ldap_io_event_handler: "<-1217919232> [INFO] task type: ..., ..."
Feb 27 00:13:36 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031324295)"
Feb 27 00:13:36 mx59 lp_server.c[69] __lp_listening_handler: "<-1195489312> [INFO] ldapproxy accept new connection succ!"
Feb 27 00:13:38 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031324102)"
Feb 27 00:13:38 mx59 lp_server.c[69] __lp_listening_handler: "<-1195489312> [INFO] ldapproxy accept new connection succ!"
Feb 27 00:13:38 mx59 lp_ldap.c[603] lp_ldap_io_event_handler: "<-1196939520> [INFO] task type: ..., ..."
Feb 27 00:13:41 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031323906)"
Feb 27 00:13:41 mx59 lp_server.c[69] __lp_listening_handler: "<-1195489312> [INFO] ldapproxy accept new connection succ!"
Feb 27 00:13:43 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031323852)"
Feb 27 00:13:43 mx59 lp_server.c[69] __lp_listening_handler: "<-1195489312> [INFO] ldapproxy accept new connection succ!"
Feb 27 00:13:43 mx59 lp_ldap.c[603] lp_ldap_io_event_handler: "<-1217919232> [INFO] task type: ..., ..."
Feb 27 00:13:46 mx59 lp_server.c[62] __lp_listening_handler: "<-1195489312> [INFO] accept fd(105), ready for register, inode(-1031323694)"
有一些要点需要指出： 1）fd 105使用了多次（inode不同），但我看不到连接关闭信息！
2）在上面的日志之后的一段时间，程序打印“始终接受失败”。
我查看并查看“cat / proc / $ pid / fd / * | wc -l == ulimit -n”，即：在此日志后不久，打开fds达到当前限制。
上面粘贴的日志和“接受失败”之间是否有任何关系？
3）或只是syslog-ng错误，所以它没有打印连接关闭信息？