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when we get a fatal error from postgres server, try killing then

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recreating the connection.  This is untested, as fatal errors are
rare.
This commit is contained in:
Eric House 2013-07-03 07:36:15 -07:00
parent 3364dcbf46
commit 8e12a8ef84
2 changed files with 14 additions and 0 deletions
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13
xwords4/relay/dbmgr.cpp
View file

@ -762,6 +762,7 @@ DBMgr::execSql( const char* const query )
logf( XW_LOGERROR, "%s: PQexec=>%s;%s", __func__, logf( XW_LOGERROR, "%s: PQexec=>%s;%s", __func__,
PQresStatus(PQresultStatus(result)), PQresStatus(PQresultStatus(result)),
PQresultErrorMessage(result) ); PQresultErrorMessage(result) );
clearThreadConn();
usleep( 20000 ); usleep( 20000 );
} }
PQclear( result ); PQclear( result );
@ -1143,6 +1144,18 @@ destr_function( void* conn )
PQfinish( pgconn ); PQfinish( pgconn );
} }
void
DBMgr::clearThreadConn()
{
logf( XW_LOGERROR, "%s called()", __func__ );
PGconn* conn = (PGconn*)pthread_getspecific( m_conn_key );
if ( NULL != conn ) {
PQfinish( conn );
int result = pthread_setspecific( m_conn_key, NULL );
assert( 0 == result );
}
}
PGconn* PGconn*
DBMgr::getThreadConn( void ) DBMgr::getThreadConn( void )
{ {

1
xwords4/relay/dbmgr.h
View file

@ -135,6 +135,7 @@ class DBMgr {
int byteaIndex, unsigned char* buf, size_t* buflen ); int byteaIndex, unsigned char* buf, size_t* buflen );
PGconn* getThreadConn( void ); PGconn* getThreadConn( void );
void clearThreadConn();
void conn_key_alloc(); void conn_key_alloc();
pthread_key_t m_conn_key; pthread_key_t m_conn_key;