X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-context-vtid.c;h=f9abadbb8f58eb1f05ee5bc22a3a49a509776b88;hb=refs%2Fheads%2Fstable-2.5;hp=4b1da4f8e9b78541473f3e838352e04ac4461679;hpb=8c90a710949a214d87084ff67fc85f284bc93ef2;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-context-vtid.c b/liblttng-ust/lttng-context-vtid.c
index 4b1da4f8..f9abadbb 100644
--- a/liblttng-ust/lttng-context-vtid.c
+++ b/liblttng-ust/lttng-context-vtid.c
@@ -67,6 +67,15 @@ void vtid_record(struct lttng_ctx_field *field,
 		sizeof(URCU_TLS(cached_vtid)));
 }
 
+static
+void vtid_get_value(struct lttng_ctx_field *field,
+		union lttng_ctx_value *value)
+{
+	if (caa_unlikely(!URCU_TLS(cached_vtid)))
+		URCU_TLS(cached_vtid) = gettid();
+	value->s64 = URCU_TLS(cached_vtid);
+}
+
 int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx)
 {
 	struct lttng_ctx_field *field;
@@ -88,6 +97,8 @@ int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx)
 	field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
 	field->get_size = vtid_get_size;
 	field->record = vtid_record;
+	field->get_value = vtid_get_value;
+	lttng_context_update(*ctx);
 	return 0;
 }