home *** CD-ROM | disk | FTP | other *** search
- .\" Copyright (c) 1991 The Regents of the University of California.
- .\" All rights reserved.
- .\"
- .\" Redistribution and use in source and binary forms, with or without
- .\" modification, are permitted provided that the following conditions
- .\" are met:
- .\" 1. Redistributions of source code must retain the above copyright
- .\" notice, this list of conditions and the following disclaimer.
- .\" 2. Redistributions in binary form must reproduce the above copyright
- .\" notice, this list of conditions and the following disclaimer in the
- .\" documentation and/or other materials provided with the distribution.
- .\" 3. All advertising materials mentioning features or use of this software
- .\" must display the following acknowledgement:
- .\" This product includes software developed by the University of
- .\" California, Berkeley and its contributors.
- .\" 4. Neither the name of the University nor the names of its contributors
- .\" may be used to endorse or promote products derived from this software
- .\" without specific prior written permission.
- .\"
- .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- .\" SUCH DAMAGE.
- .\"
- .\" @(#)tcsetpgrp.3 5.3 (Berkeley) 3/29/92
- .\"
- .Dd "March 29, 1992"
- .Dt TCSETPGRP
- .Os
- .Sh NAME
- .Nm tcsetpgrp
- .Nd set foreground process group ID
- .Sh SYNOPSIS
- .Fd #include <sys/types.h>
- .Fd #include <unistd.h>
- .Ft int
- .Fn tcsetpgrp "int fd" "pid_t pgrp_id"
- .Sh DESCRIPTION
- If the process has a controlling terminal, the
- .Nm tcsetpgrp
- function sets the foreground process group ID associated with the
- terminal device to
- .Fa pgrp_id .
- The terminal device associated with
- .Fa fd
- must be the controlling terminal of the calling process and the
- controlling terminal must be currently associated with the session
- of the calling process.
- The value of
- .Fa pgrp_id
- must be the same as the process group ID of a process in the same
- session as the calling process.
- .Pp
- Upon successful completion,
- .Nm tcsetpgrp
- returns a value of zero.
- .Sh ERRORS
- If an error occurs,
- .Nm tcgetpgrp
- returns -1 and the global variable
- .Va errno
- is set to indicate the error, as follows:
- .Bl -tag -width Er
- .It Bq Er EBADF
- The
- .Fa fd
- argument is not a valid file descriptor.
- .It Bq Er EINVAL
- An invalid value of
- .Fa pgrp_id
- was specified.
- .It Bq Er ENOTTY
- The calling process does not have a controlling terminal, or the file
- represented by
- .Fa fd
- is not the controlling terminal, or the controlling terminal is no
- longer associated with the session of the calling process.
- .It Bq Er EPERM
- The
- .Fa pgrp_id
- argument does not match the process group ID of a process in the same
- session as the calling process.
- .El
- .Sh SEE ALSO
- .Xr setpgid 3 ,
- .Xr setsid 2 ,
- .Xr tcgetpgrp 3
- .Sh STANDARDS
- The
- .Nm tcsetpgprp
- function is expected to be compliant with the
- .St -p1003.1-88
- specification.
-