Fix: handle backward probe compatibility for application contexts

[lttng-ust.git] / liblttng-ust / lttng-tracer-core.h

diff --git a/liblttng-ust/lttng-tracer-core.h b/liblttng-ust/lttng-tracer-core.h
index 7d9beaaf92ca70ae0e48eb317f718ff759e93aee..44aca749c6c04553702e2ecd54313657bd27b777 100644 (file)
--- a/liblttng-ust/lttng-tracer-core.h
+++ b/liblttng-ust/lttng-tracer-core.h
@@ -33,6 +33,9 @@
 struct lttng_session;
 struct lttng_channel;
 struct lttng_event;
+struct lttng_ctx_field;
+struct lttng_ust_lib_ring_buffer_ctx;
+struct lttng_ctx_value;
 
 int ust_lock(void) __attribute__ ((warn_unused_result));
 void ust_lock_nocheck(void);
@@ -52,4 +55,12 @@ void lttng_ust_malloc_wrapper_init(void);
 
 ssize_t lttng_ust_read(int fd, void *buf, size_t len);
 
+size_t lttng_ust_dummy_get_size(struct lttng_ctx_field *field, size_t offset);
+void lttng_ust_dummy_record(struct lttng_ctx_field *field,
+                struct lttng_ust_lib_ring_buffer_ctx *ctx,
+                struct lttng_channel *chan);
+void lttng_ust_dummy_get_value(struct lttng_ctx_field *field,
+               struct lttng_ctx_value *value);
+int lttng_context_is_app(const char *name);
+
 #endif /* _LTTNG_TRACER_CORE_H */