trace-chunk: implement no-op and delete release commands

[lttng-tools.git] / src / common / trace-chunk-registry.h

diff --git a/src/common/trace-chunk-registry.h b/src/common/trace-chunk-registry.h
index 23df91a3eca24a13ac64b0eb3a0a5d9b983d5ebf..b04609c32bbe55c8a519fc79b8ee0ed5ea9e1c5f 100644 (file)
--- a/src/common/trace-chunk-registry.h
+++ b/src/common/trace-chunk-registry.h
@@ -83,6 +83,16 @@ lttng_trace_chunk_registry_find_chunk(
                const struct lttng_trace_chunk_registry *registry,
                uint64_t session_id, uint64_t chunk_id);
 
+/*
+ * Query the existence of a trace chunk by session_id and chunk_id.
+ *
+ * Returns 0 on success, a negative value on error.
+ */
+LTTNG_HIDDEN
+int lttng_trace_chunk_registry_chunk_exists(
+               const struct lttng_trace_chunk_registry *registry,
+               uint64_t session_id, uint64_t chunk_id, bool *chunk_exists);
+
 /*
  * Look-up an anonymous trace chunk by session_id.
  * A reference is acquired on behalf of the caller.
@@ -97,6 +107,6 @@ lttng_trace_chunk_registry_find_anonymous_chunk(
 
 LTTNG_HIDDEN
 unsigned int lttng_trace_chunk_registry_put_each_chunk(
-               struct lttng_trace_chunk_registry *registry);
+               const struct lttng_trace_chunk_registry *registry);
 
 #endif /* LTTNG_TRACE_CHUNK_REGISTRY_H */