compiler/clib/fsync.c

   1 /*
   2     Copyright © 2004-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     POSIX function fsync().
   6 */
   7
   8 #include <exec/types.h>
   9 #include <dos/dosextens.h>
  10 #include <proto/exec.h>
  11 #include <proto/dos.h>
  12 #include <errno.h>
  13 #include "__fdesc.h"
  14
  15 /*****************************************************************************
  16
  17     NAME */
  18
  19 #include <fcntl.h>
  20 #include <unistd.h>
  21
  22         int fsync(
  23
  24 /*  SYNOPSIS */
  25         int fd)
  26
  27 /*  FUNCTION
  28
  29     INPUTS
  30
  31     RESULT
  32
  33     NOTES
  34
  35     EXAMPLE
  36
  37     BUGS
  38
  39     SEE ALSO
  40
  41     INTERNALS
  42
  43 ******************************************************************************/
  44 {
  45     fdesc *fdesc = __getfdesc(fd);
  46
  47     if (!fdesc || !(fdesc->fcb->flags & O_WRITE))
  48     {
  49         errno = EBADF;
  50         return -1;
  51     }
  52
  53     if (!Flush((BPTR) fdesc->fcb->fh))
  54     {
  55         errno = __arosc_ioerr2errno(IoErr());
  56         return -1;
  57     }
  58
  59     return 0;
  60 } /* fsync */
  61