Re: Screen size adaption

[Kai Hendry]

On Tue, Aug 03, 2004 at 12:05:26 +0200, Michael Schroeder wrote:
> On Mon, Aug 02, 2004 at 11:06:55PM +0300, Kai Hendry wrote:
> > bilbo:503$ strace -o /tmp/testing screen
> > Directory '/var/run/screen' must have mode 777.
> > I keep getting this error while trying an strace:
> > Directory '/var/run/screen' must have mode 777.
> 1) Use 'strace -p' to attach to a running process.
> 2) copy the screen binary to /tmp and remove the s-bit.
> 3) use $SCREENDIR to set a different socket directory.

Resized the screen by dragging the corner of my putty window about, and typed
in the command `resize` to see it not adjusting like it would when it wasn't
running screen.

No SIGWINCH?!!

bilbo:519$ ps aux | grep screen
hendry   23671  0.0  0.1  4216  932 pts/939  S+   13:31   0:00 ./screen
hendry   23694  0.0  0.1  3244  712 pts/945  S+   13:32   0:00 grep screen
bilbo:520$ strace -p 23671
Process 23671 attached - interrupt to quit
pause()                                 = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn()                             = ? (mask now [WINCH])
alarm(0)                                = 0
kill(23672, SIG_0)                      = 0
rt_sigaction(SIGALRM, {0x806bb30, [], 0}, {0x806bb30, [], 0}, 8) = 0
alarm(15)                               = 0
pause()                                 = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn()                             = ? (mask now [WINCH])
alarm(0)                                = 0
kill(23672, SIG_0)                      = 0
rt_sigaction(SIGALRM, {0x806bb30, [], 0}, {0x806bb30, [], 0}, 8) = 0
alarm(15)                               = 0
pause()                                 = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn()                             = ? (mask now [WINCH])
alarm(0)                                = 0
kill(23672, SIG_0)                      = 0
rt_sigaction(SIGALRM, {0x806bb30, [], 0}, {0x806bb30, [], 0}, 8) = 0
alarm(15)                               = 0
pause()                                 = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn()                             = ? (mask now [WINCH])
alarm(0)                                = 0
kill(23672, SIG_0)                      = 0
rt_sigaction(SIGALRM, {0x806bb30, [], 0}, {0x806bb30, [], 0}, 8) = 0
alarm(15)                               = 0
pause(

I did ssh to another machine with putty on my University machine (melkinpaasi)
where it worked:

melkinpaasi:997$ strace -p 8907
pause()                                 = ? ERESTARTNOHAND (To be restarted)
--- SIGWINCH (Window changed) @ 0 (0) ---
sigreturn()                             = ? (mask now [RTMIN])
alarm(0)                                = 4
kill(8908, SIG_0)                       = 0
geteuid32()                             = 52969
getegid32()                             = 12005
open("/fs-3/4/hendry/.screen/8908.pts-23.melkinpaasi", O_WRONLY|O_NONBLOCK) = 3
geteuid32()                             = 52969
getegid32()                             = 12005
fcntl64(3, F_SETFL, O_RDONLY)           = 0
write(3, "\0gsm\6\0\0\0/dev/pts/23\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 12336) = 12336
close(3)                                = 0
rt_sigaction(SIGALRM, {0x806be40, [], SA_RESTORER, 0xf17178}, {0x806be40, [], SA
_RESTORER, 0xf17178}, 8) = 0
alarm(15)                               = 0
pause()                                 = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn()                             = ? (mask now [RTMIN])
alarm(0)                                = 0
kill(8908, SIG_0)                       = 0
rt_sigaction(SIGALRM, {0x806be40, [], SA_RESTORER, 0xf17178}, {0x806be40, [], SA
_RESTORER, 0xf17178}, 8) = 0
alarm(15)                               = 0

I am running unstable's screen on bilbo, but I don't think it's that because
I've seen other unstable screens work fine. WTF! :/