forked from Imagelibrary/rtems
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/*
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* This file contains the support infrastructure used to manage the
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* table of integer style file descriptors used by the socket calls.
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include "libio_.h" /* libio_.h pulls in rtems */
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#include <rtems.h>
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#include <errno.h>
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/*
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* Convert an RTEMS file descriptor to a BSD socket pointer.
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*/
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struct socket *rtems_bsdnet_fdToSocket(
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int fd
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)
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{
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rtems_libio_t *iop;
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if ((unsigned32)fd >= rtems_libio_number_iops)
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return NULL;
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iop = &rtems_libio_iops[fd];
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if ((iop->flags & LIBIO_FLAGS_HANDLER_MASK) != LIBIO_FLAGS_HANDLER_SOCK)
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return NULL;
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return iop->data1;
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}
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/*
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* Create an RTEMS file descriptor for a socket
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*/
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int rtems_bsdnet_makeFdForSocket(
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void *so
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)
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{
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rtems_libio_t *iop;
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iop = rtems_libio_allocate();
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if (iop == 0) {
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errno = ENFILE;
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return -1;
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}
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iop->flags |= LIBIO_FLAGS_HANDLER_SOCK | LIBIO_FLAGS_WRITE | LIBIO_FLAGS_READ;
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iop->data1 = so;
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return iop - rtems_libio_iops;
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}
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