Enforce documented RCU preconditions with assertions

[lttng-tools.git] / src / common / ust-consumer / ust-consumer.cpp

diff --git a/src/common/ust-consumer/ust-consumer.cpp b/src/common/ust-consumer/ust-consumer.cpp
index 591c58fc5674100908f5fbcd847fa68db874f4d2..cbfcaa8518d732b9c85bab9e17e07586fbdd30a7 100644 (file)
--- a/src/common/ust-consumer/ust-consumer.cpp
+++ b/src/common/ust-consumer/ust-consumer.cpp
@@ -876,6 +876,8 @@ static int setup_metadata(struct lttng_consumer_local_data *ctx, uint64_t key)
        int ret;
        struct lttng_consumer_channel *metadata;
 
+       ASSERT_RCU_READ_LOCKED();
+
        DBG("UST consumer setup metadata key %" PRIu64, key);
 
        metadata = consumer_find_channel(key);
@@ -971,6 +973,7 @@ static int snapshot_metadata(struct lttng_consumer_channel *metadata_channel,
 
        LTTNG_ASSERT(path);
        LTTNG_ASSERT(ctx);
+       ASSERT_RCU_READ_LOCKED();
 
        DBG("UST consumer snapshot metadata with key %" PRIu64 " at path %s",
                        key, path);
@@ -1086,6 +1089,7 @@ static int snapshot_channel(struct lttng_consumer_channel *channel,
 
        LTTNG_ASSERT(path);
        LTTNG_ASSERT(ctx);
+       ASSERT_RCU_READ_LOCKED();
 
        rcu_read_lock();
 
@@ -2649,6 +2653,7 @@ enum sync_metadata_status lttng_ustconsumer_sync_metadata(
 
        LTTNG_ASSERT(ctx);
        LTTNG_ASSERT(metadata_stream);
+       ASSERT_RCU_READ_LOCKED();
 
        metadata_channel = metadata_stream->chan;
        pthread_mutex_unlock(&metadata_stream->lock);