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Server status changes now happen under a lock

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MXS-873 To prevent monitors and MaxAdmin from interfering with each other,
changes to the server status flags now happen under a lock. To avoid
interfering with monitor logic, the monitors now acquire locks to all
of their servers at the start of the monitor loop and release them
before sleeping.
This commit is contained in:
ekorh475
2016-12-07 14:52:46 +02:00
parent 162ae04d20
commit 259e944b3d
10 changed files with 135 additions and 65 deletions
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include/maxscale/monitor.h
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@ -235,6 +235,8 @@ int mon_parse_event_string(bool* events, size_t count, char* string);
connect_result_t mon_connect_to_db(MONITOR* mon, MONITOR_SERVERS *database);
void mon_log_connect_error(MONITOR_SERVERS* database, connect_result_t rval);
void mon_log_state_change(MONITOR_SERVERS *ptr);
void lock_monitor_servers(MONITOR *monitor);
void release_monitor_servers(MONITOR *monitor);
/**
* @brief Hangup connections to failed servers