Changeset: 828426501879 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=828426501879
Modified Files:
gdk/gdk_storage.c
Branch: unlock
Log Message:
keep extra heap reference while saving the bat
diffs (32 lines):
diff --git a/gdk/gdk_storage.c b/gdk/gdk_storage.c
--- a/gdk/gdk_storage.c
+++ b/gdk/gdk_storage.c
@@ -783,14 +783,18 @@ BATsave(BAT *bd)
/* copy the descriptor to a local variable in order to let our
* messing in the BAT descriptor not affect other threads that
* only read it. */
+ MT_lock_set(&bd->theaplock);
bs = *b;
b = &bs;
hs = *bd->theap;
+ HEAPincref(&hs);
b->theap = &hs;
if (b->tvheap) {
vhs = *bd->tvheap;
+ HEAPincref(&vhs);
b->tvheap = &vhs;
}
+ MT_lock_unset(&bd->theaplock);
/* start saving data */
nme = BBP_physical(b->batCacheid);
@@ -806,6 +810,9 @@ BATsave(BAT *bd)
if (b->thash && b->thash != (Hash *) 1)
BAThashsave(b, dosync);
+ HEAPdecref(b->theap, false);
+ if (b->tvheap)
+ HEAPdecref(b->tvheap, false);
if (err == GDK_SUCCEED) {
bd->batCopiedtodisk = true;
DESCclean(bd);
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