X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsnapshot.c;h=d22b5d52c98b730d122d91605c0f6851ef578c61;hb=d4b5a90c528146f516a80c4e826bd1cfbd40cee8;hp=d2fc8ca691a15de1455dbb5cb3019f41cd756b09;hpb=e1986656f8267fb64f5ac67c0d464d157b8a050b;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/snapshot.c b/src/bin/lttng-sessiond/snapshot.c
index d2fc8ca69..d22b5d52c 100644
--- a/src/bin/lttng-sessiond/snapshot.c
+++ b/src/bin/lttng-sessiond/snapshot.c
@@ -47,6 +47,8 @@ static int output_init(uint64_t max_size, const char *name,
 
 	assert(output);
 
+	memset(output, 0, sizeof(struct snapshot_output));
+
 	if (max_size == (uint64_t) -1ULL) {
 		max_size = 0;
 	}
@@ -222,6 +224,32 @@ void snapshot_output_destroy(struct snapshot_output *obj)
 	free(obj);
 }
 
+/*
+ * RCU read side lock MUST be acquired before calling this since the returned
+ * pointer is in a RCU hash table.
+ *
+ * Return the reference on success or else NULL.
+ */
+struct snapshot_output *snapshot_find_output_by_name(const char *name,
+		struct snapshot *snapshot)
+{
+	struct lttng_ht_iter iter;
+	struct snapshot_output *output = NULL;
+
+	assert(snapshot);
+	assert(name);
+
+	cds_lfht_for_each_entry(snapshot->output_ht->ht, &iter.iter, output,
+		node.node) {
+		if (!strncmp(output->name, name, strlen(name))) {
+			return output;
+		}
+	}
+
+	/* Not found */
+	return NULL;
+}
+
 /*
  * RCU read side lock MUST be acquired before calling this since the returned
  * pointer is in a RCU hash table.