X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=lttng-context-vpid.c;h=dccaaccfe82d5387bfda9908fc94d887c11a8d84;hb=07192b7485c041a61b69fa187fd09cb1e0f6bebc;hp=14364b338a9e92ff834ef26480f1b1653e874ea1;hpb=06254b0fe2a909dabb889fb0d022384906f6f37a;p=lttng-modules.git

diff --git a/lttng-context-vpid.c b/lttng-context-vpid.c
index 14364b33..dccaaccf 100644
--- a/lttng-context-vpid.c
+++ b/lttng-context-vpid.c
@@ -56,6 +56,22 @@ void vpid_record(struct lttng_ctx_field *field,
 	chan->ops->event_write(ctx, &vpid, sizeof(vpid));
 }
 
+static
+void vpid_get_value(struct lttng_ctx_field *field,
+		union lttng_ctx_value *value)
+{
+	pid_t vpid;
+
+	/*
+	 * nsproxy can be NULL when scheduled out of exit.
+	 */
+	if (!current->nsproxy)
+		vpid = 0;
+	else
+		vpid = task_tgid_vnr(current);
+	value->s64 = vpid;
+}
+
 int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx)
 {
 	struct lttng_ctx_field *field;
@@ -77,11 +93,9 @@ int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx)
 	field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
 	field->get_size = vpid_get_size;
 	field->record = vpid_record;
+	field->get_value = vpid_get_value;
+	lttng_context_update(*ctx);
 	wrapper_vmalloc_sync_all();
 	return 0;
 }
 EXPORT_SYMBOL_GPL(lttng_add_vpid_to_ctx);
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit vPID Context");