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-rw-r--r--nscd/mem.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/nscd/mem.c b/nscd/mem.c
index a4e3053..5207efc 100644
--- a/nscd/mem.c
+++ b/nscd/mem.c
@@ -230,6 +230,12 @@ gc (struct database_dyn *db)
++next_data;
+ /* Now we start modifying the data. Make sure all readers of the
+ data are aware of this and temporarily don't use the data. */
+ ++db->head->gc_cycle;
+ assert ((db->head->gc_cycle & 1) == 1);
+
+
/* We do not perform the move operations right away since the
he_data array is not sorted by the address of the data. */
struct moveinfo
@@ -445,6 +451,11 @@ gc (struct database_dyn *db)
msync (db->head, db->data + db->head->first_free - (char *) db->head,
MS_ASYNC);
+
+ /* Now we are done modifying the data. */
+ ++db->head->gc_cycle;
+ assert ((db->head->gc_cycle & 1) == 0);
+
/* We are done. */
out:
pthread_mutex_unlock (&db->memlock);