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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/* Copyright (C) 1994 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <hurd.h>
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#include <hurd/fd.h>
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/* Allocate a new file descriptor and install PORT in it. FLAGS are as for
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`open'; only O_IGNORE_CTTY is meaningful.
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If the descriptor table is full, set errno, and return -1.
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If DEALLOC is nonzero, deallocate PORT first. */
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int
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_hurd_intern_fd (io_t port, int flags, int dealloc)
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{
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int fd;
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struct hurd_fd *d;
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HURD_CRITICAL_BEGIN;
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d = _hurd_alloc_fd (&fd, 0);
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if (d != NULL)
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{
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_hurd_port2fd (d, port, flags);
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__spin_unlock (&d->port.lock);
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}
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HURD_CRITICAL_END;
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if (d == NULL)
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{
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if (dealloc)
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__mach_port_deallocate (__mach_task_self (), port);
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return -1;
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}
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return fd;
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}
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