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glibc  2.9
aio_fsync.c
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00001 /* Synchronize I/O in given file descriptor.  Stub version.
00002    Copyright (C) 2001 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 
00021 /* We use an UGLY hack to prevent gcc from finding us cheating.  The
00022    implementation of aio_fsync and aio_fsync64 are identical and so
00023    we want to avoid code duplication by using aliases.  But gcc sees
00024    the different parameter lists and prints a warning.  We define here
00025    a function so that aio_fsync64 has no prototype.  */
00026 #define aio_fsync64 XXX
00027 #include <aio.h>
00028 /* And undo the hack.  */
00029 #undef aio_fsync64
00030 
00031 #include <errno.h>
00032 #include <fcntl.h>
00033 
00034 int
00035 aio_fsync (int op, struct aiocb *aiocbp)
00036 {
00037   if (op != O_SYNC && op != O_DSYNC)
00038     {
00039       __set_errno (EINVAL);
00040       return -1;
00041     }
00042 
00043   __set_errno (ENOSYS);
00044   return -1;
00045 }
00046 
00047 weak_alias (aio_fsync, aio_fsync64)
00048 
00049 stub_warning (aio_fsync)
00050 stub_warning (aio_fsync64)
00051 #include <stub-tag.h>