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UNIX for Advanced & Expert Users
How to attach an xterm to a process/thread ?
Post 302169917 by RipClaw on Saturday 23rd of February 2008 02:37:13 AM
02-23-2008
I am programming in C.
My idea is to use the
'xterm -Sccn' option.
Unfortunately I am not clear about what "Inherited file descriptor" means
Happened to find somebody else fiddling with that option here ...
/lib's Weblog
My idea is to use the
'xterm -Sccn' option.
Unfortunately I am not clear about what "Inherited file descriptor" means
Quote:
-Sccn This option allows xterm to be used as an input and output
channel for an existing program and is sometimes used in spe-
cialized applications. The option value specifies the last
few letters of the name of a pseudo-terminal to use in slave
mode, plus the number of the inherited file descriptor. If
the option contains a "/" character, that delimits the char-
acters used for the pseudo-terminal name from the file
descriptor. Otherwise, exactly two characters are used from
the option for the pseudo-terminal name, the remainder is the
file descriptor. Examples:
-S123/45
-Sab34
channel for an existing program and is sometimes used in spe-
cialized applications. The option value specifies the last
few letters of the name of a pseudo-terminal to use in slave
mode, plus the number of the inherited file descriptor. If
the option contains a "/" character, that delimits the char-
acters used for the pseudo-terminal name from the file
descriptor. Otherwise, exactly two characters are used from
the option for the pseudo-terminal name, the remainder is the
file descriptor. Examples:
-S123/45
-Sab34
/lib's Weblog
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LEARN ABOUT OPENSOLARIS
ptsname
ptsname(3C) Standard C Library Functions ptsname(3C) NAME
ptsname - get name of the slave pseudo-terminal device SYNOPSIS
#include <stdlib.h> char *ptsname(int fildes); DESCRIPTION
The ptsname() function returns the name of the slave pseudo-terminal device associated with a master pseudo-terminal device. fildes is a file descriptor returned from a successful open of the master device. ptsname() returns a pointer to a string containing the null-termi- nated path name of the slave device of the form /dev/pts/N, where N is a non-negative integer. RETURN VALUES
Upon successful completion, the function ptsname() returns a pointer to a string which is the name of the pseudo-terminal slave device. This value points to a static data area that is overwritten by each call to ptsname(). Upon failure, ptsname() returns NULL. This could occur if fildes is an invalid file descriptor or if the slave device name does not exist in the file system. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
open(2), grantpt(3C), ttyname(3C), unlockpt(3C), attributes(5), standards(5) STREAMS Programming Guide SunOS 5.11 14 Aug 2002 ptsname(3C)