write(1, "opened 2000 files\n", 18opened 2000 files
)     = 18
dup2(2004, 1)                           = 1
close(2004)                             = 0
fcntl64(1, F_SETFD, 0)                  = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb130d8) = -1 ENOTTY (Inappropriate ioctl for device)
_llseek(1, 0, [0], SEEK_CUR)            = 0
socketpair(PF_FILE, SOCK_STREAM, 0, [2004, 2005]) = 0
ioctl(2004, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13258) = -1 EINVAL (Invalid argument)
_llseek(2004, 0, 0xbfb132a0, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
ioctl(2004, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13258) = -1 EINVAL (Invalid argument)
_llseek(2004, 0, 0xbfb132a0, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
ioctl(2005, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13258) = -1 EINVAL (Invalid argument)
_llseek(2005, 0, 0xbfb132a0, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
ioctl(2005, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13258) = -1 EINVAL (Invalid argument)
_llseek(2005, 0, 0xbfb132a0, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
fcntl64(2004, F_SETFD, FD_CLOEXEC)      = 0
fcntl64(2005, F_SETFD, FD_CLOEXEC)      = 0
ioctl(2005, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb130d8) = -1 EINVAL (Invalid argument)
_llseek(2005, 0, 0xbfb13120, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
fstat64(2005, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
dup2(2005, 1)                           = 1
dup(2005)                               = 2006
fcntl64(2005, F_GETFD)                  = 0x1 (flags FD_CLOEXEC)
dup2(2006, 2005)                        = 2005
fcntl64(2005, F_SETFD, FD_CLOEXEC)      = 0
close(2006)                             = 0
fcntl64(1, F_SETFD, 0)                  = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb130d8) = -1 EINVAL (Invalid argument)
_llseek(1, 0, 0xbfb13120, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
ioctl(2005, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13108) = -1 EINVAL (Invalid argument)
_llseek(2005, 0, 0xbfb13150, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
fstat64(2005, {st_mode=S_IFSOCK|0777, st_size=0, ...}) = 0
dup2(2005, 1)                           = 1
fcntl64(1, F_SETFD, 0)                  = 0
ioctl(1, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb130d8) = -1 EINVAL (Invalid argument)
_llseek(1, 0, 0xbfb13120, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
dup(3)                                  = 2006
ioctl(2006, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13108) = -1 EINVAL (Invalid argument)
_llseek(2006, 0, 0xbfb13150, SEEK_CUR)  = -1 ESPIPE (Illegal seek)
fstat64(2006, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
dup2(2006, 1)                           = 1
close(2006)                             = 0
fcntl64(1, F_SETFD, 0)                  = 0
close(2005)                             = 0
...many more close() calls...
close(5)                                = 0
close(4)                                = 0
dup(3)                                  = 4
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfb13108) = -1 EINVAL (Invalid argument)
_llseek(4, 0, 0xbfb13150, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
fstat64(4, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
write(1, "no problem with 2000!\n", 22no problem with 2000!