Changeset: d9816eec193a for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=d9816eec193a
Modified Files:
sql/backends/monet5/sql_scenario.c
Branch: Jul2015
Log Message:
When the first client initializes the catalog, others must wait.
diffs (19 lines):
diff --git a/sql/backends/monet5/sql_scenario.c
b/sql/backends/monet5/sql_scenario.c
--- a/sql/backends/monet5/sql_scenario.c
+++ b/sql/backends/monet5/sql_scenario.c
@@ -414,6 +414,7 @@ SQLinitClient(Client c)
#endif
if (SQLinitialized == 0 && (msg = SQLprelude(NULL)) != MAL_SUCCEED)
return msg;
+ MT_lock_set(&sql_contextLock, "SQLinitClient");
/*
* Based on the initialization return value we can prepare a SQLinit
* string with all information needed to initialize the catalog
@@ -526,6 +527,7 @@ SQLinitClient(Client c)
SQLupgrades(c,m);
maybeupgrade = 0;
}
+ MT_lock_unset(&sql_contextLock, "SQLinitClient");
fflush(stdout);
fflush(stderr);
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