accept(3, {sa_family=AF_INET, sin_port=htons(50833), sin_addr=inet_addr("127.0.0.1")}, [16]) = 4
select(5, [4], NULL, NULL, {0, 100000}) = 1 (in [4], left {0, 100000})
fcntl(4, F_GETFL)                       = 0x2 (flags O_RDWR)
fstat(4, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2b5e14275000
lseek(4, 0, SEEK_CUR)                   = -1 ESPIPE (Illegal seek)
read(4, "skip\n", 1024)                 = 5
kill(24475, SIGUSR1)                    = 0
close(4)                                = 0
munmap(0x2b5e14275000, 4096)            = 0
shutdown(4, 2 /* send and receive */)   = -1 EBADF (Bad file descriptor)
close(4)                                = -1 EBADF (Bad file descriptor)
wait4(-1, 0x7fff9699ab6c, WNOHANG|WSTOPPED|WCONTINUED, NULL) = 0
gettimeofday({1195667556, 407174}, NULL) = 0
)                 = 77 05:06
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig -icanon -echo ...}) = 0
ioctl(0, SNDCTL_TMR_START or TCSETS, {B38400 opost isig -icanon -echo ...}) = 0
select(1, [0], NULL, NULL, {1, 0})      = 0 (Timeout)
select(4, [3], NULL, NULL, {0, 0})      = 0 (Timeout)
wait4(-1, 0x7fff9699ab6c, WNOHANG|WSTOPPED|WCONTINUED, NULL) = 0
gettimeofday({1195667557, 409197}, NULL) = 0
)                 = 77 05:05