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remove the rest of isam/merge references

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fix a race condition in TC_LOG_BINLOG::unlog


include/Makefile.am:
  remove the rest of isam/merge references
include/config-win.h:
  unused and abused macro removed
include/my_pthread.h:
  unused and abused macro removed
include/my_sys.h:
  MY_IGNORE_BADFD flag
include/mysql_embed.h:
  remove the rest of isam/merge references
mysql-test/r/replace.result:
  remove the rest of isam/merge references
mysql-test/t/replace.test:
  remove the rest of isam/merge references
mysql-test/t/xa.test:
  comment
mysys/my_sync.c:
  MY_IGNORE_BADFD flag
sql/handler.cc:
  remove the rest of isam/merge references
sql/log.cc:
  fix a race condition in TC_LOG_BINLOG::unlog
  preparation for binlog group commit
sql/mysql_priv.h:
  remove duplicates
sql/mysqld.cc:
  remove the rest of isam/merge references
sql/opt_range.cc:
  remove the rest of isam/merge references
sql/set_var.cc:
  hide unused variables. simplify sync_binlog code
sql/sql_base.cc:
  remove the rest of isam/merge references
sql/sql_class.h:
  cleanup
This commit is contained in:
unknown 2005-04-05 13:17:49 +02:00
commit cd0a50bf34
17 changed files with 82 additions and 130 deletions
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22
mysys/my_sync.c
View file

@ -27,7 +27,14 @@
my_flags Flags (now only MY_WME is supported)
NOTE
If file system supports its, only file data is synced, not inode date
If file system supports its, only file data is synced, not inode data.
MY_IGNORE_BADFD is useful when fd is "volatile" - not protected by a
mutex. In this case by the time of fsync(), fd may be already closed by
another thread, or even reassigned to a different file. With this flag -
MY_IGNORE_BADFD - such a situation will not be considered an error.
(which is correct behaviour, if we know that the other thread synced the
file before closing)
RETURN
0 ok
@ -55,10 +62,15 @@ int my_sync(File fd, myf my_flags)
if (res)
{
if (!(my_errno= errno))
my_errno= -1; /* Unknown error */
if (my_flags & MY_WME)
int er= errno;
if (!(my_errno= er))
my_errno= -1; /* Unknown error */
if (my_flags & MY_IGNORE_BADFD &&
(er == EBADF || er == EINVAL || er == EROFS))
res= 0;
else if (my_flags & MY_WME)
my_error(EE_SYNC, MYF(ME_BELL+ME_WAITTANG), my_filename(fd), my_errno);
}
DBUG_RETURN(res);
} /* my_read */
} /* my_sync */