void (*get_value)(struct lttng_ust_ctx_field *field,
struct lttng_ust_ctx_value *value))
{
struct lttng_ust_session_private *session_priv;
cds_list_for_each_entry(session_priv, &sessions, node) {
void (*get_value)(struct lttng_ust_ctx_field *field,
struct lttng_ust_ctx_value *value))
{
struct lttng_ust_session_private *session_priv;
cds_list_for_each_entry(session_priv, &sessions, node) {