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c97a38c4d3
Added my_sync() to mysys which will do fsync/fdatasync/_commit() on a file. VC++Files/mysys/mysys.dsp: Added my_sync.c configure.in: Added testing of fsync and fdatasync include/my_sys.h: Added my_sync() include/mysys_err.h: Added my_sync() isam/extra.c: Added my_sync() myisam/mi_extra.c: Added my_sync() myisam/mi_locking.c: Added my_sync() mysql-test/mysql-test-run.sh: Added option --valgrind-all mysys/Makefile.am: Added my_sync.c mysys/errors.c: Added my_sync() mysys/my_symlink.c: Removed compiler warning mysys/thr_alarm.c: Fix for link error on windows sql/unireg.cc: Call my_sync() after all data is written to .frm file BitKeeper/etc/logging_ok: Logging to logging@openlogging.org accepted
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/* Copyright (C) 2003 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "mysys_priv.h"
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#include "mysys_err.h"
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#include <errno.h>
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/*
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Sync data in file to disk
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SYNOPSIS
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my_sync()
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fd File descritor to sync
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my_flags Flags (now only MY_WME is supported)
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NOTE
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If file system supports its, only file data is synced, not inode date
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RETURN
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0 ok
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-1 error
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*/
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int my_sync(File fd, myf my_flags)
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{
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int res;
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DBUG_ENTER("my_sync");
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DBUG_PRINT("my",("Fd: %d my_flags: %d", fd, my_flags));
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#if defined(HAVE_FDATASYNC)
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res= fdatasync(fd);
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#elif defined(HAVE_FSYNC)
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res=fsync(fd);
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#elif defined(__WIN__)
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res= _commit(fd);
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#else
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res= 0; /* No sync (strange OS) */
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#endif
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if (res)
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{
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if (!(my_errno= errno))
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my_errno= -1; /* Unknown error */
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if (my_flags & MY_WME)
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my_error(EE_SYNC, MYF(ME_BELL+ME_WAITTANG), my_filename(fd), my_errno);
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}
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DBUG_RETURN(res);
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} /* my_read */
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