How to attach an xterm to a process/thread ? Post: 302169917

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LEARN ABOUT SUNOS

grantpt

grantpt(3C)						   Standard C Library Functions 					       grantpt(3C)

NAME

       grantpt - grant access to the slave pseudo-terminal device

SYNOPSIS

       #include <stdlib.h>

       int grantpt(int fildes);

DESCRIPTION

       The   grantpt()	function  changes  the	mode and ownership of the slave pseudo-terminal device associated with its master  pseudo-terminal
       counterpart. fildes is the file descriptor returned from a successful open of the master pseudo-terminal device. A setuid root program (see
       setuid(2)) is invoked to change the permissions. The user ID of the slave is set to the real UID of the calling process and the group ID is
       set to a reserved group. The permission mode of the slave pseudo-terminal is set to readable and writable by the owner and writable by  the
       group.

RETURN VALUES

       Upon successful completion, grantpt() returns 0. Otherwise, it returns -1 and sets errno to indicate the error.

ERRORS

       The grantpt() function may fail if:

       EBADF	       The fildes argument is not a valid open file descriptor.

       EINVAL	       The fildes argument is not associated with a master pseudo-terminal device.

       EACCES	       The corresponding slave pseudo-terminal device could not be accessed.

USAGE

       The  grantpt()  function will fail if it is unable to successfully invoke the  setuid root program. It may also fail if the application has
       installed a signal handler to catch SIGCHLD signals.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       open(2), setuid(2), ptsname(3C), unlockpt(3C), attributes(5), standards(5)

       STREAMS Programming Guide

SunOS 5.10							    29 Dec 1996 						       grantpt(3C)

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