netstat -anp |grep 443
tcp        0      0 0.0.0.0:8443                0.0.0.0:*                   LISTEN      27227/httpsd
tcp        0      0 :::443                      :::*                        LISTEN      28577/httpd
unix  3      [ ]         STREAM     CONNECTED     36678443 19953/mysqld        /var/lib/mysql/mysql.sock
[root@cuscus ~]# strace -p 28577
Process 28577 attached - interrupt to quit
select(0, NULL, NULL, NULL, {0, 932000}) = 0 (Timeout)
waitpid(-1, 0xbffd10b8, WNOHANG|WSTOPPED) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
waitpid(-1, 0xbffd10b8, WNOHANG|WSTOPPED) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
waitpid(-1, 0xbffd10b8, WNOHANG|WSTOPPED) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
waitpid(-1, 0xbffd10b8, WNOHANG|WSTOPPED) = 0
select(0, NULL, NULL, NULL, {1, 0})     = 0 (Timeout)
waitpid(-1, 0xbffd10b8, WNOHANG|WSTOPPED) = 0
select(0, NULL, NULL, NULL, {1, 0} <unfinished ...>