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Fixes bug #13377. my_open() & my_create() functions changed to use

my_sopen() on win32 which allows to use FILE_SHARE_DELETE flag to 
allow deleting opened files. my_sopen() implementation is added to
support this functionality.


include/my_global.h:
  Fixes bug #13377. Added number of constants for share delete file
  open option.
include/my_sys.h:
  Fixes bug #13377. Added my_sopen function.
mysys/my_create.c:
  Fixes bug #13377. my_create() function changed to use my_sopen() and which allows
  to use FILE_SHARE_DELETE flag on win32, which helps in deleting opened files.
mysys/my_open.c:
  Fixes bug #13377. my_open() function changed to use my_sopen() on win32
  which allows to use FILE_SHARE_DELETE flag to allow deleting opened files.
sql/log.cc:
  Fixes bug #13377. Additional patch - remove reference counting for
  opened binlog files, introduced in initial patch of #13377.
sql/sql_class.h:
  Fixes bug #13377. Additional patch - remove reference counting for
  opened binlog files, introduced in initial patch of #13377.
sql/sql_repl.cc:
  Fixes bug #13377. Additional patch - remove reference counting for
  opened binlog files, introduced in initial patch of #13377.
This commit is contained in:
unknown
2005-11-14 16:01:10 +03:00
parent b10c7d60bd
commit 303cae4cd8
7 changed files with 207 additions and 99 deletions

View File

@@ -372,11 +372,6 @@ void mysql_binlog_send(THD* thd, char* log_ident, my_off_t pos,
goto err;
}
/*
Call readers_addref before opening log to track count
of binlog readers
*/
mysql_bin_log.readers_addref();
if ((file=open_binlog(&log, log_file_name, &errmsg)) < 0)
{
my_errno= ER_MASTER_FATAL_ERROR_READING_BINLOG;
@@ -574,8 +569,7 @@ impossible position";
goto err;
if (!(flags & BINLOG_DUMP_NON_BLOCK) &&
mysql_bin_log.is_active(log_file_name) &&
!mysql_bin_log.is_reset_pending())
mysql_bin_log.is_active(log_file_name))
{
/*
Block until there is more data in the log
@@ -688,13 +682,7 @@ impossible position";
else
{
bool loop_breaker = 0;
// need this to break out of the for loop from switch
// if we are going to switch log file anyway, close current log first
end_io_cache(&log);
(void) my_close(file, MYF(MY_WME));
// decrease reference count of binlog readers
mysql_bin_log.readers_release();
/* need this to break out of the for loop from switch */
thd->proc_info = "Finished reading one binlog; switching to next binlog";
switch (mysql_bin_log.find_next_log(&linfo, 1)) {
@@ -704,25 +692,16 @@ impossible position";
case 0:
break;
default:
// need following call to do release on err label
mysql_bin_log.readers_addref();
errmsg = "could not find next log";
my_errno= ER_MASTER_FATAL_ERROR_READING_BINLOG;
goto err;
}
if (loop_breaker)
{
// need following call to do release on end label
mysql_bin_log.readers_addref();
break;
}
/*
Call readers_addref before opening log to track count
of binlog readers
*/
mysql_bin_log.readers_addref();
if (loop_breaker)
break;
end_io_cache(&log);
(void) my_close(file, MYF(MY_WME));
/*
Call fake_rotate_event() in case the previous log (the one which
@@ -755,8 +734,6 @@ end:
end_io_cache(&log);
(void)my_close(file, MYF(MY_WME));
// decrease reference count of binlog readers
mysql_bin_log.readers_release();
send_eof(thd);
thd->proc_info = "Waiting to finalize termination";
@@ -783,8 +760,6 @@ err:
pthread_mutex_unlock(&LOCK_thread_count);
if (file >= 0)
(void) my_close(file, MYF(MY_WME));
// decrease reference count of binlog readers
mysql_bin_log.readers_release();
my_message(my_errno, errmsg, MYF(0));
DBUG_VOID_RETURN;