source: rtems/c/src/lib/libc/fdatasync.c @ d7aecdc

4.104.114.84.95
Last change on this file since d7aecdc was 9c49db4, checked in by Joel Sherrill <joel.sherrill@…>, on 01/08/01 at 18:26:44

2001-01-08 Ralf Corsepius <corsepiu@…>

  • configure.in: Add libc/config.h
  • libc/Makefile.am: Add INCLUDES += -I. to pickup config.h
  • libc/.cvsignore: Add config.h and stamp-h
  • libc/*.c: Add config.h support.
  • Property mode set to 100644
File size: 828 bytes
Line 
1/*
2 *  fdatasync() - POSIX 1003.1b 6.6.2 - Synchronize the Data 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#if HAVE_CONFIG_H
15#include "config.h"
16#endif
17
18#include <unistd.h>
19
20#include <rtems/libio_.h>
21
22int fdatasync(
23  int     fd
24)
25{
26  rtems_libio_t *iop;
27
28  rtems_libio_check_fd( fd );
29  iop = rtems_libio_iop( fd );
30  rtems_libio_check_is_open(iop);
31  rtems_libio_check_permissions( iop, LIBIO_FLAGS_WRITE );
32
33  /*
34   *  Now process the fdatasync().
35   */
36
37  if ( !iop->handlers->fdatasync_h )
38    set_errno_and_return_minus_one( ENOTSUP );
39
40  return (*iop->handlers->fdatasync_h)( iop );
41}
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