compiler/posixc/fsync.c

   1 /*
   2     Copyright © 2004-2012, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     POSIX.1-2008 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 <fcntl.h>
  14 #include "__fdesc.h"
  15
  16 /*****************************************************************************
  17
  18     NAME */
  19 #include <unistd.h>
  20
  21         int fsync(
  22
  23 /*  SYNOPSIS */
  24         int fd)
  25
  26 /*  FUNCTION
  27
  28     INPUTS
  29
  30     RESULT
  31
  32     NOTES
  33
  34     EXAMPLE
  35
  36     BUGS
  37
  38     SEE ALSO
  39
  40     INTERNALS
  41
  42 ******************************************************************************/
  43 {
  44     fdesc *fdesc = __getfdesc(fd);
  45
  46     if (!fdesc || !(fdesc->fcb->flags & O_WRITE))
  47     {
  48         errno = EBADF;
  49         return -1;
  50     }
  51
  52     if (!Flush(fdesc->fcb->handle))
  53     {
  54         errno = __stdc_ioerr2errno(IoErr());
  55         return -1;
  56     }
  57
  58     return 0;
  59 } /* fsync */
  60