X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-vtid.c;h=903e296ca1bbd94cb356a86d481a6e99b61f8b98;hb=refs%2Fheads%2Fstable-2.7;hp=0ad21fafb2ae9a153e1c240702e6c5d0bb32ac3d;hpb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c;p=lttng-modules.git

diff --git a/lttng-context-vtid.c b/lttng-context-vtid.c
index 0ad21faf..903e296c 100644
--- a/lttng-context-vtid.c
+++ b/lttng-context-vtid.c
@@ -56,6 +56,22 @@ void vtid_record(struct lttng_ctx_field *field,
 	chan->ops->event_write(ctx, &vtid, sizeof(vtid));
 }
 
+static
+void vtid_get_value(struct lttng_ctx_field *field,
+		union lttng_ctx_value *value)
+{
+	pid_t vtid;
+
+	/*
+	 * nsproxy can be NULL when scheduled out of exit.
+	 */
+	if (!current->nsproxy)
+		vtid = 0;
+	else
+		vtid = task_pid_vnr(current);
+	value->s64 = vtid;
+}
+
 int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx)
 {
 	struct lttng_ctx_field *field;
@@ -71,17 +87,15 @@ int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx)
 	field->event_field.type.atype = atype_integer;
 	field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT;
 	field->event_field.type.u.basic.integer.alignment = lttng_alignof(pid_t) * CHAR_BIT;
-	field->event_field.type.u.basic.integer.signedness = is_signed_type(pid_t);
+	field->event_field.type.u.basic.integer.signedness = lttng_is_signed_type(pid_t);
 	field->event_field.type.u.basic.integer.reverse_byte_order = 0;
 	field->event_field.type.u.basic.integer.base = 10;
 	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);
 	wrapper_vmalloc_sync_all();
 	return 0;
 }
 EXPORT_SYMBOL_GPL(lttng_add_vtid_to_ctx);
-
-MODULE_LICENSE("GPL and additional rights");
-MODULE_AUTHOR("Mathieu Desnoyers");
-MODULE_DESCRIPTION("Linux Trace Toolkit vTID Context");