Cleanup: apply `include-what-you-use` guideline for `uint*_t`
[lttng-ust.git] / liblttng-ust / ust-core.c
index 60751dc32a9aa56058e1452f3e9ddec4a395981b..abea7bbdffb137fdbbae86e2d1c7c4f2422372bb 100644 (file)
  * 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;
+}
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