X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Fust-core.c;h=abea7bbdffb137fdbbae86e2d1c7c4f2422372bb;hb=fb31eb73d8a4a6d9784ed5c335b7fa3b9684108c;hp=60751dc32a9aa56058e1452f3e9ddec4a395981b;hpb=c785c634a51956094130218c2bffeff32756cb69;p=lttng-ust.git

diff --git a/liblttng-ust/ust-core.c b/liblttng-ust/ust-core.c
index 60751dc3..abea7bbd 100644
--- a/liblttng-ust/ust-core.c
+++ b/liblttng-ust/ust-core.c
@@ -18,9 +18,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#define _LGPL_SOURCE
+#include <stdint.h>
+#include <stddef.h>
 #include <stdlib.h>
 #include <lttng/ust-events.h>
 #include <usterr-signal-safe.h>
+#include "lttng-tracer-core.h"
 #include "jhash.h"
 
 static CDS_LIST_HEAD(lttng_transport_list);
@@ -61,22 +65,54 @@ void lttng_transport_unregister(struct lttng_transport *transport)
 /*
  * Needed by comm layer.
  */
-struct lttng_enum *lttng_ust_enum_get(struct lttng_session *session,
-		const char *enum_name)
+struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_session *session,
+		const struct lttng_enum_desc *enum_desc)
 {
 	struct lttng_enum *_enum;
 	struct cds_hlist_head *head;
 	struct cds_hlist_node *node;
-	size_t name_len = strlen(enum_name);
+	size_t name_len = strlen(enum_desc->name);
 	uint32_t hash;
 
-	hash = jhash(enum_name, name_len, 0);
+	hash = jhash(enum_desc->name, name_len, 0);
 	head = &session->enums_ht.table[hash & (LTTNG_UST_ENUM_HT_SIZE - 1)];
 	cds_hlist_for_each_entry(_enum, node, head, hlist) {
 		assert(_enum->desc);
-		if (!strncmp(_enum->desc->name, enum_name,
-				LTTNG_UST_SYM_NAME_LEN - 1))
+		if (_enum->desc == enum_desc)
 			return _enum;
 	}
 	return NULL;
 }
+
+size_t lttng_ust_dummy_get_size(struct lttng_ctx_field *field, size_t offset)
+{
+	size_t size = 0;
+
+	size += lib_ring_buffer_align(offset, lttng_alignof(char));
+	size += sizeof(char);		/* tag */
+	return size;
+}
+
+void lttng_ust_dummy_record(struct lttng_ctx_field *field,
+		 struct lttng_ust_lib_ring_buffer_ctx *ctx,
+		 struct lttng_channel *chan)
+{
+	char sel_char = (char) LTTNG_UST_DYNAMIC_TYPE_NONE;
+
+	lib_ring_buffer_align_ctx(ctx, lttng_alignof(sel_char));
+	chan->ops->event_write(ctx, &sel_char, sizeof(sel_char));
+}
+
+void lttng_ust_dummy_get_value(struct lttng_ctx_field *field,
+		struct lttng_ctx_value *value)
+{
+	value->sel = LTTNG_UST_DYNAMIC_TYPE_NONE;
+}
+
+int lttng_context_is_app(const char *name)
+{
+	if (strncmp(name, "$app.", strlen("$app.")) != 0) {
+		return 0;
+	}
+	return 1;
+}