이건 부모 아파치 프로세스....
[code:1]
[root@localhost SYSTEM]# strace -p 3611
select(0, NULL, NULL, NULL, {0, 470000}) = 0 (Timeout)
time(NULL) = 1090299980
wait4(-1, 0xbfffebbc, WNOHANG, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
time(NULL) = 1090299981
wait4(-1, 0xbfffebbc, WNOHANG, NULL) = 0
select(0, NULL, NULL, NULL, {1, 0}) = 0 (Timeout)
time(NULL) = 1090299982