compiler/clib/fsync.c

   1 /*
   2     Copyright © 2004, 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 "__open.h"
  14
  15 #include <fcntl.h>
  16 #include <unistd.h>
  17
  18 int fsync(int fd)
  19 /* FIXME: documentation */
  20 {
  21     AROS_GET_SYSBASE_OK
  22     AROS_GET_DOSBASE
  23
  24     fdesc *fdesc = __getfdesc(fd);
  25
  26     if (!fdesc || !(fdesc->flags & O_WRITE))
  27     {
  28         errno = EBADF;
  29         return -1;
  30     }
  31
  32     if (!Flush((BPTR) fdesc->fh))
  33     {
  34         errno = IoErr2errno(IoErr());
  35         return -1;
  36     }
  37
  38     return 0;
  39 } /* fsync */
  40