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my_sync.c
Package: mysql-4.1.16-win-src.zip [view]
Upload User: romrleung
Upload Date: 2022-05-23
Package Size: 18897k
Code Size: 2k
Category:
MySQL
Development Platform:
Visual C++
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include "mysys_priv.h"
- #include "mysys_err.h"
- #include <errno.h>
- /*
- Sync data in file to disk
- SYNOPSIS
- my_sync()
- fd File descritor to sync
- my_flags Flags (now only MY_WME is supported)
- NOTE
- If file system supports its, only file data is synced, not inode date
- RETURN
- 0 ok
- -1 error
- */
- int my_sync(File fd, myf my_flags)
- {
- int res;
- DBUG_ENTER("my_sync");
- DBUG_PRINT("my",("Fd: %d my_flags: %d", fd, my_flags));
- #if defined(HAVE_FDATASYNC)
- res= fdatasync(fd);
- #elif defined(HAVE_FSYNC)
- res=fsync(fd);
- #elif defined(__WIN__)
- res= _commit(fd);
- #else
- res= 0; /* No sync (strange OS) */
- #endif
- if (res)
- {
- if (!(my_errno= errno))
- my_errno= -1; /* Unknown error */
- if (my_flags & MY_WME)
- my_error(EE_SYNC, MYF(ME_BELL+ME_WAITTANG), my_filename(fd), my_errno);
- }
- DBUG_RETURN(res);
- } /* my_read */