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[glibc/history.git] / rt / aio_fsync.c
blobbc23d75f698454d8116d4ef1b6cc41aa7a216cdf
1 /* Synchronize I/O in given file descriptor. Stub version.
2 Copyright (C) 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
21 /* We use an UGLY hack to prevent gcc from finding us cheating. The
22 implementation of aio_fsync and aio_fsync64 are identical and so
23 we want to avoid code duplication by using aliases. But gcc sees
24 the different parameter lists and prints a warning. We define here
25 a function so that aio_fsync64 has no prototype. */
26 #define aio_fsync64 XXX
27 #include <aio.h>
28 /* And undo the hack. */
29 #undef aio_fsync64
31 #include <errno.h>
32 #include <fcntl.h>
34 int
35 aio_fsync (int op, struct aiocb *aiocbp)
37 if (op != O_SYNC && op != O_DSYNC)
39 __set_errno (EINVAL);
40 return -1;
43 __set_errno (ENOSYS);
44 return -1;
47 weak_alias (aio_fsync, aio_fsync64)
49 stub_warning (aio_fsync)
50 stub_warning (aio_fsync64)
51 #include <stub-tag.h>