source: rtems/c/src/lib/libc/fsync.c @ 4e36a2f

4.104.114.84.95
Last change on this file since 4e36a2f was 08311cc3, checked in by Joel Sherrill <joel.sherrill@…>, on 11/17/99 at 17:51:34

Updated copyright notice.

  • Property mode set to 100644
File size: 753 bytes
Line 
1/*
2 *  fsync() - POSIX 1003.1b 6.6.1 - Synchronize the State of a File
3 *
4 *  COPYRIGHT (c) 1989-1999.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.OARcorp.com/rtems/license.html.
10 *
11 *  $Id$
12 */
13
14#include <unistd.h>
15
16#include "libio_.h"
17
18int fsync(
19  int     fd
20)
21{
22  rtems_libio_t *iop;
23
24  rtems_libio_check_fd( fd );
25  iop = rtems_libio_iop( fd );
26  rtems_libio_check_is_open(iop);
27  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
28
29  /*
30   *  Now process the fsync().
31   */
32
33  if ( !iop->handlers->fsync )
34    set_errno_and_return_minus_one( ENOTSUP );
35
36  return (*iop->handlers->fsync)( iop );
37}
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