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Log: Fixed race condition in reconfigure while BFD is running

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This commit is contained in:
Maria Matejka 2019-07-30 12:11:49 +02:00
parent 3b62417c35
commit 48addc88be
1 changed files with 9 additions and 1 deletions
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10
sysdep/unix/log.c
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@ -372,6 +372,9 @@ log_switch(int initial, list *logs, char *new_syslog_name)
if (!logs || EMPTY_LIST(*logs))
logs = default_log_list(initial, &new_syslog_name);
/* We shouldn't close the logs when other threads may use them */
log_lock();
/* Close the logs to avoid pinning them on disk when deleted */
if (current_log_list)
WALK_LIST(l, *current_log_list)
@ -388,7 +391,7 @@ log_switch(int initial, list *logs, char *new_syslog_name)
#ifdef HAVE_SYSLOG_H
if (!bstrcmp(current_syslog_name, new_syslog_name))
return;
goto done;
if (current_syslog_name)
{
@ -402,7 +405,12 @@ log_switch(int initial, list *logs, char *new_syslog_name)
current_syslog_name = xstrdup(new_syslog_name);
openlog(current_syslog_name, LOG_CONS | LOG_NDELAY, LOG_DAEMON);
}
#endif
done:
/* Logs exchange done, let the threads log as before */
log_unlock();
}
void