common: replace container_of with a C++ safe implementation

[lttng-tools.git] / src / bin / lttng-sessiond / trace-ust.cpp

diff --git a/src/bin/lttng-sessiond/trace-ust.cpp b/src/bin/lttng-sessiond/trace-ust.cpp
index 1a98d3ff7108b1c752a93dcb28f6083fd4703bef..4a3e74de7792b8bc0b195b98f8bc15d9db9e5a10 100644 (file)
--- a/src/bin/lttng-sessiond/trace-ust.cpp
+++ b/src/bin/lttng-sessiond/trace-ust.cpp
@@ -24,6 +24,8 @@
 #include "ust-app.hpp"
 #include "agent.hpp"
 
+namespace lsu = lttng::sessiond::ust;
+
 /*
  * Match function for the events hash table lookup.
  *
@@ -183,7 +185,7 @@ struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht,
 
        DBG2("Trace UST channel %s found by name", name);
 
-       return caa_container_of(node, struct ltt_ust_channel, node);
+       return lttng::utils::container_of(node, &ltt_ust_channel::node);
 
 error:
        DBG2("Trace UST channel %s not found by name", name);
@@ -222,7 +224,7 @@ struct ltt_ust_event *trace_ust_find_event(struct lttng_ht *ht,
 
        DBG2("Trace UST event %s found", key.name);
 
-       return caa_container_of(node, struct ltt_ust_event, node);
+       return lttng::utils::container_of(node, &ltt_ust_event::node);
 
 error:
        DBG2("Trace UST event %s NOT found", key.name);
@@ -255,7 +257,7 @@ struct agent *trace_ust_find_agent(struct ltt_ust_session *session,
        if (!node) {
                goto end;
        }
-       agt = caa_container_of(node, struct agent, node);
+       agt = lttng::utils::container_of(node, &agent::node);
 
 end:
        return agt;
@@ -791,7 +793,7 @@ static struct ust_id_tracker_node *id_tracker_lookup(
        lttng_ht_lookup(id_tracker->ht, (void *) _id, iter);
        node = lttng_ht_iter_get_node_ulong(iter);
        if (node) {
-               return caa_container_of(node, struct ust_id_tracker_node, node);
+               return lttng::utils::container_of(node, &ust_id_tracker_node::node);
        } else {
                return NULL;
        }
@@ -1201,9 +1203,9 @@ end:
 static void destroy_context_rcu(struct rcu_head *head)
 {
        struct lttng_ht_node_ulong *node =
-               caa_container_of(head, struct lttng_ht_node_ulong, head);
+               lttng::utils::container_of(head, &lttng_ht_node_ulong::head);
        struct ltt_ust_context *ctx =
-               caa_container_of(node, struct ltt_ust_context, node);
+               lttng::utils::container_of(node, &ltt_ust_context::node);
 
        trace_ust_destroy_context(ctx);
 }
@@ -1223,7 +1225,7 @@ static void destroy_contexts(struct lttng_ht *ht)
        rcu_read_lock();
        cds_lfht_for_each_entry(ht->ht, &iter.iter, node, node) {
                /* Remove from ordered list. */
-               ctx = caa_container_of(node, struct ltt_ust_context, node);
+               ctx = lttng::utils::container_of(node, &ltt_ust_context::node);
                cds_list_del(&ctx->list);
                /* Remove from channel's hash table. */
                ret = lttng_ht_del(ht, &iter);
@@ -1270,9 +1272,9 @@ void trace_ust_destroy_context(struct ltt_ust_context *ctx)
 static void destroy_event_rcu(struct rcu_head *head)
 {
        struct lttng_ht_node_str *node =
-               caa_container_of(head, struct lttng_ht_node_str, head);
+               lttng::utils::container_of(head, &lttng_ht_node_str::head);
        struct ltt_ust_event *event =
-               caa_container_of(node, struct ltt_ust_event, node);
+               lttng::utils::container_of(node, &ltt_ust_event::node);
 
        trace_ust_destroy_event(event);
 }
@@ -1319,9 +1321,9 @@ static void _trace_ust_destroy_channel(struct ltt_ust_channel *channel)
 static void destroy_channel_rcu(struct rcu_head *head)
 {
        struct lttng_ht_node_str *node =
-               caa_container_of(head, struct lttng_ht_node_str, head);
+               lttng::utils::container_of(head, &lttng_ht_node_str::head);
        struct ltt_ust_channel *channel =
-               caa_container_of(node, struct ltt_ust_channel, node);
+               lttng::utils::container_of(node, &ltt_ust_channel::node);
 
        _trace_ust_destroy_channel(channel);
 }
@@ -1361,7 +1363,7 @@ int trace_ust_regenerate_metadata(struct ltt_ust_session *usess)
 
        rcu_read_lock();
        cds_list_for_each_entry(uid_reg, &usess->buffer_reg_uid_list, lnode) {
-               ust_registry_session *registry;
+               lsu::registry_session *registry;
 
                session_reg = uid_reg->registry;
                registry = session_reg->reg.ust;
@@ -1393,7 +1395,7 @@ static void destroy_channels(struct lttng_ht *channels)
        rcu_read_lock();
        cds_lfht_for_each_entry(channels->ht, &iter.iter, node, node) {
                struct ltt_ust_channel *chan =
-                       caa_container_of(node, struct ltt_ust_channel, node);
+                       lttng::utils::container_of(node, &ltt_ust_channel::node);
 
                trace_ust_delete_channel(channels, chan);
                trace_ust_destroy_channel(chan);