Hi!
"Alex" == Alex Budovski abudovski@gmail.com writes:
Alex> Looks like the relevant code change and resulting bug was introduced Alex> in Rev: 2502.1070.1
Alex> revno: 2502.1070.1 Alex> branch nick: 5.1-bugteam-bug29751 Alex> timestamp: Wed 2010-08-25 15:47:45 +0700 // the date looks recent enough. Alex> message: Alex> Fixed bug #29751 - do not rename the error log at FLUSH LOGS. Alex> Added open log file with FILE_SHARE_DELETE flag on Windows.
Alex> I tracked it down to line 4649 of mysqld.cc:
Alex> #ifdef __WIN__ Alex> if (!opt_console) Alex> { Alex> if (reopen_fstreams(log_error_file, stdout, stderr)) // ** this Alex> fails when run as a service/without console. Alex> unireg_abort(1); // ** application terminates here! Alex> setbuf(stderr, NULL); Alex> FreeConsole(); Alex> } Alex> #endif
Alex> Hence the SCM reports that the service terminated unexpectedly.
Alex> The problem is that when a process does not have a console allocated Alex> to it, the standard C streams stdout, stderr, etc, are not valid, and Alex> hence _fileno (used inside reopen_fstreams returns -2), which in turn Alex> causes dup2() to fail, and reopen_fstreams() to fail.
Thanks for the good bug report.
I am just now merging MySQL 5.1.53 into MariaDB and they have fixed reopen_fstreams() to take care of this issue.
We hope to be able to release 5.1.53 in a few days. After that I will merge the change to MariaDB 5.2 and do a release of this.
Regards, Monty