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Fix: only lock the metadata_cache in userspace consumers
[lttng-tools.git]
/
src
/
common
/
consumer
/
consumer.c
diff --git
a/src/common/consumer/consumer.c
b/src/common/consumer/consumer.c
index 234944dad0abf6d6c6594fa68ea64721f1488d87..3415cfe92872b01d2df95a564dca380db3cc16ce 100644
(file)
--- a/
src/common/consumer/consumer.c
+++ b/
src/common/consumer/consumer.c
@@
-2051,7
+2051,10
@@
void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
DBG3("Consumer delete metadata stream %d", stream->wait_fd);
pthread_mutex_lock(&consumer_data.lock);
DBG3("Consumer delete metadata stream %d", stream->wait_fd);
pthread_mutex_lock(&consumer_data.lock);
- pthread_mutex_lock(&stream->chan->metadata_cache->lock);
+ if (stream->chan->metadata_cache) {
+ /* Only applicable to userspace consumers. */
+ pthread_mutex_lock(&stream->chan->metadata_cache->lock);
+ }
pthread_mutex_lock(&stream->chan->lock);
pthread_mutex_lock(&stream->lock);
pthread_mutex_lock(&stream->chan->lock);
pthread_mutex_lock(&stream->lock);
@@
-2079,7
+2082,9
@@
void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
pthread_mutex_unlock(&stream->lock);
pthread_mutex_unlock(&stream->chan->lock);
pthread_mutex_unlock(&stream->lock);
pthread_mutex_unlock(&stream->chan->lock);
- pthread_mutex_unlock(&stream->chan->metadata_cache->lock);
+ if (stream->chan->metadata_cache) {
+ pthread_mutex_unlock(&stream->chan->metadata_cache->lock);
+ }
pthread_mutex_unlock(&consumer_data.lock);
if (free_chan) {
pthread_mutex_unlock(&consumer_data.lock);
if (free_chan) {
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