mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-05 21:00:05 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* Copyright (C) 1991, 1992, 1994, 1995, 1997 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <hurd.h>
|
|
|
|
/* This is initialized in dtable.c when that gets linked in.
|
|
If dtable.c is not linked in, it will be zero. */
|
|
static file_t (*_default_hurd_getdport_fn) (int fd) = 0;
|
|
weak_alias (_default_hurd_getdport_fn, _hurd_getdport_fn)
|
|
|
|
file_t
|
|
__getdport (int fd)
|
|
{
|
|
if (_hurd_getdport_fn)
|
|
/* dtable.c has defined the function to fetch a port from the real file
|
|
descriptor table. */
|
|
return (*_hurd_getdport_fn) (fd);
|
|
|
|
/* getdport is the only use of file descriptors,
|
|
so we don't bother allocating a real table. */
|
|
|
|
if (_hurd_init_dtable == NULL)
|
|
/* Never had a descriptor table. */
|
|
return EBADF;
|
|
|
|
if (fd < 0 || (unsigned int) fd > _hurd_init_dtablesize ||
|
|
_hurd_init_dtable[fd] == MACH_PORT_NULL)
|
|
{
|
|
errno = EBADF;
|
|
return MACH_PORT_NULL;
|
|
}
|
|
else
|
|
{
|
|
__mach_port_mod_refs (__mach_task_self (), _hurd_init_dtable[fd],
|
|
MACH_PORT_RIGHT_SEND, 1);
|
|
return _hurd_init_dtable[fd];
|
|
}
|
|
}
|
|
|
|
weak_alias (__getdport, getdport)
|