Return to tcgetpgrp.3 CVS log

Up to [cvs.NetBSD.org] / src / lib / libc / termios

Annotation of src/lib/libc/termios/tcgetpgrp.3, Revision 1.11

1.11    ! agc         1: .\"    $NetBSD: tcgetpgrp.3,v 1.10 2003/04/16 13:34:58 wiz Exp $
1.1       jtc         2: .\"
1.5       perry       3: .\" Copyright (c) 1991, 1993
                      4: .\"    The Regents of the University of California.  All rights reserved.
1.1       jtc         5: .\"
                      6: .\" Redistribution and use in source and binary forms, with or without
                      7: .\" modification, are permitted provided that the following conditions
                      8: .\" are met:
                      9: .\" 1. Redistributions of source code must retain the above copyright
                     10: .\"    notice, this list of conditions and the following disclaimer.
                     11: .\" 2. Redistributions in binary form must reproduce the above copyright
                     12: .\"    notice, this list of conditions and the following disclaimer in the
                     13: .\"    documentation and/or other materials provided with the distribution.
1.11    ! agc        14: .\" 3. Neither the name of the University nor the names of its contributors
1.1       jtc        15: .\"    may be used to endorse or promote products derived from this software
                     16: .\"    without specific prior written permission.
                     17: .\"
                     18: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     19: .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     20: .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     21: .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     22: .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     23: .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     24: .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     25: .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     26: .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     27: .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     28: .\" SUCH DAMAGE.
                     29: .\"
1.5       perry      30: .\"    @(#)tcgetpgrp.3 8.1 (Berkeley) 6/4/93
1.1       jtc        31: .\"
1.6       perry      32: .Dd June 4, 1993
1.1       jtc        33: .Dt TCGETPGRP 3
                     34: .Os
                     35: .Sh NAME
                     36: .Nm tcgetpgrp
                     37: .Nd get foreground process group ID
1.7       perry      38: .Sh LIBRARY
                     39: .Lb libc
1.1       jtc        40: .Sh SYNOPSIS
1.10      wiz        41: .In unistd.h
1.1       jtc        42: .Ft pid_t
                     43: .Fn tcgetpgrp "int fd"
                     44: .Sh DESCRIPTION
                     45: The
                     46: .Nm tcgetpgrp
                     47: function returns the value of the process group ID of the foreground
                     48: process group associated with the terminal device.
                     49: If there is no foreground process group,
                     50: .Nm tcgetpgrp
                     51: returns an invalid process ID.
                     52: .Sh ERRORS
                     53: If an error occurs,
                     54: .Nm tcgetpgrp
                     55: returns -1 and the global variable
                     56: .Va errno
                     57: is set to indicate the error, as follows:
                     58: .Bl -tag -width Er
                     59: .It Bq Er EBADF
                     60: The
                     61: .Fa fd
                     62: argument is not a valid file descriptor.
                     63: .It Bq Er ENOTTY
                     64: The calling process does not have a controlling terminal or the
                     65: underlying terminal device represented by
                     66: .Fa fd
                     67: is not the controlling terminal.
                     68: .El
                     69: .Sh SEE ALSO
1.4       mikel      70: .Xr setpgid 2 ,
1.1       jtc        71: .Xr setsid 2 ,
                     72: .Xr tcsetpgrp 3
                     73: .Sh STANDARDS
                     74: The
                     75: .Nm tcgetpgrp
1.3       kleink     76: function conforms to
                     77: .St -p1003.1-90 .