Changeset: a692f2313e47 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/a692f2313e47
Modified Files:
monetdb5/mal/mal_resource.c
Branch: Jun2023
Log Message:
Use lock for any access to memorypool.
diffs (27 lines):
diff --git a/monetdb5/mal/mal_resource.c b/monetdb5/mal/mal_resource.c
--- a/monetdb5/mal/mal_resource.c
+++ b/monetdb5/mal/mal_resource.c
@@ -20,10 +20,14 @@
/* Memory based admission does not seem to have a major impact so far. */
static lng memorypool = 0; /* memory claimed by concurrent threads
*/
+static MT_Lock admissionLock = MT_LOCK_INITIALIZER(admissionLock);
+
void
mal_resource_reset(void)
{
+ MT_lock_set(&admissionLock);
memorypool = (lng) MEMORY_THRESHOLD;
+ MT_lock_unset(&admissionLock);
}
/*
@@ -112,8 +116,6 @@ getMemoryClaim(MalBlkPtr mb, MalStkPtr s
* The client context also keeps bounds on the memory claim/client.
* Surpassing this bound may be a reason to not admit the instruction to
proceed.
*/
-static MT_Lock admissionLock = MT_LOCK_INITIALIZER(admissionLock);
-
bool
MALadmission_claim(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci,
lng argclaim)
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