Implement --shm-path option for UST sessions (per-uid channels)

[lttng-tools.git] / src / bin / lttng-sessiond / ust-registry.h

diff --git a/src/bin/lttng-sessiond/ust-registry.h b/src/bin/lttng-sessiond/ust-registry.h
index 0cba8a334e54609df98d5e615662d68a73654c70..a22009efa996263cf9a17b2fe08941b5a088f92a 100644 (file)
--- a/src/bin/lttng-sessiond/ust-registry.h
+++ b/src/bin/lttng-sessiond/ust-registry.h
@@ -66,6 +66,11 @@ struct ust_registry_session {
        size_t metadata_len, metadata_alloc_len;
        /* Length of bytes sent to the consumer. */
        size_t metadata_len_sent;
+
+       char shm_path[PATH_MAX];
+       char metadata_path[PATH_MAX];
+       int metadata_fd;        /* file-backed metadata FD */
+
        /*
         * Hash table containing channels sent by the UST tracer. MUST
         * be accessed with a RCU read side lock acquired.
@@ -225,7 +230,10 @@ int ust_registry_session_init(struct ust_registry_session **sessionp,
                uint32_t long_alignment,
                int byte_order,
                uint32_t major,
-               uint32_t minor);
+               uint32_t minor,
+               const char *shm_path,
+               uid_t euid,
+               gid_t egid);
 void ust_registry_session_destroy(struct ust_registry_session *session);
 
 int ust_registry_create_event(struct ust_registry_session *session,