MultiWindow Mode: stty speed = 0 on xterm cause rlogin to fail

Harold L Hunt II
Wed Feb 25 17:06:00 GMT 2004

Thomas Dickey wrote:

> On Wed, 25 Feb 2004, Harold L Hunt II wrote:
>>This issue has to have something to do with the way that commands are
>>launched from the .XWinrc menu, since launching an xterm from another
>>xterm works just fine.  Here is the code that launches commands
>>specified in the .XWinrc menus:
>>case CMD_EXEC:
>>if (fork()==0)
>>   struct rlimit rl;
>>   unsigned long i;
>>   /* Close any open descriptors except for STD* */
>>   getrlimit (RLIMIT_NOFILE, &rl);
>>   for (i = STDERR_FILENO+1; i < rl.rlim_cur; i++)
>>     close(i);
> If the stdin for the menu process isn't a tty, the inherited stdin for
> xterm still won't be a tty.  Some stty settings can be set for non-tty's,
> and some cannot.  Usually the differences between xterm and rxvt in this
> area are related to whether there is a real /dev/tty associated with the
> process.

Sounds like we need to peek at rxvt to get some pointers on how to do 
this... or is it your impression that it is not really possible?

>>   /* Disassociate any TTYs */
>>   setsid();
> The intent here is to prevent signals from propagating into the
> subprocess.



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