Call my_sync() after all data is written to .frm file

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

1 files changed, 60 insertions, 0 deletions

diff --git a/mysys/my_sync.c b/mysys/my_sync.c
new file mode 100644
index 00000000000..317ca039346
--- /dev/null
+++ b/mysys/my_sync.c
@@ -0,0 +1,60 @@
+/* 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 */