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Fix for BUG#28030: test im_instance_conf fails with an assert.

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The problem was a race condition on shutdown -- when IM got shutdown
request while a guarded mysqld is starting. In this case the Guardian
thread tried to stop the mysqld, but might fail if the mysqld hadn't
created pid-file so far. When this happened, the mysqld-monitor thread
didn't stop, so the assert in Thread_registry happened.

The fix is to make several attempts to stop mysqld if it is active.
This commit is contained in:
anozdrin/alik@ibm.
2007-07-27 17:39:01 +04:00
parent aee749d0d9
commit bbb1b64b95
4 changed files with 42 additions and 7 deletions
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2
server-tools/instance-manager/instance.h
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@ -104,7 +104,7 @@ public:
bool start_mysqld();
bool stop_mysqld();
void kill_mysqld(int signo);
bool kill_mysqld(int signo);
void lock();
void unlock();