mirror of git://sourceware.org/git/glibc.git
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* Copyright (C) 1994-2013 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <hurd.h>
|
|
#include <hurd/fd.h>
|
|
|
|
/* Allocate a new file descriptor and install PORT in it. FLAGS are as for
|
|
`open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful.
|
|
|
|
If the descriptor table is full, set errno, and return -1.
|
|
If DEALLOC is nonzero, deallocate PORT first. */
|
|
int
|
|
_hurd_intern_fd (io_t port, int flags, int dealloc)
|
|
{
|
|
int fd;
|
|
struct hurd_fd *d;
|
|
|
|
HURD_CRITICAL_BEGIN;
|
|
d = _hurd_alloc_fd (&fd, 0);
|
|
if (d != NULL)
|
|
{
|
|
_hurd_port2fd (d, port, flags);
|
|
__spin_unlock (&d->port.lock);
|
|
}
|
|
HURD_CRITICAL_END;
|
|
|
|
if (d == NULL)
|
|
{
|
|
if (dealloc)
|
|
__mach_port_deallocate (__mach_task_self (), port);
|
|
return -1;
|
|
}
|
|
|
|
return fd;
|
|
}
|