Code cleanup in contexts

[lttng-ust.git] / liblttng-ust / lttng-context-pthread-id.c

diff --git a/liblttng-ust/lttng-context-pthread-id.c b/liblttng-ust/lttng-context-pthread-id.c
index e0f662f2c52da6a5c211055e3c3a9bd5044539b1..5f9faf8508923858343fc9c588df7b32ab87644f 100644 (file)
--- a/liblttng-ust/lttng-context-pthread-id.c
+++ b/liblttng-ust/lttng-context-pthread-id.c
@@ -20,13 +20,14 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#define _LGPL_SOURCE
 #include <pthread.h>
 #include <lttng/ust-events.h>
 #include <lttng/ust-tracer.h>
 #include <lttng/ringbuffer-config.h>
 
 static
-size_t pthread_id_get_size(size_t offset)
+size_t pthread_id_get_size(struct lttng_ctx_field *field, size_t offset)
 {
        size_t size = 0;
 
@@ -47,6 +48,13 @@ void pthread_id_record(struct lttng_ctx_field *field,
        chan->ops->event_write(ctx, &pthread_id, sizeof(pthread_id));
 }
 
+static
+void pthread_id_get_value(struct lttng_ctx_field *field,
+               struct lttng_ctx_value *value)
+{
+       value->u.s64 = (unsigned long) pthread_self();
+}
+
 int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx)
 {
        struct lttng_ctx_field *field;
@@ -68,5 +76,7 @@ int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx)
        field->event_field.type.u.basic.integer.encoding = lttng_encode_none;
        field->get_size = pthread_id_get_size;
        field->record = pthread_id_record;
+       field->get_value = pthread_id_get_value;
+       lttng_context_update(*ctx);
        return 0;
 }