X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer.h;h=9a93c427915bbd6de3aef1bdbc9440320244092a;hb=55009a2289249d5d784c528234b0fbcd532f5551;hp=dba7765772859bd703adb5ba9e0889759d5fb757;hpb=d09e1200ec761aef77c721bd648a299eefcc8565;p=lttng-tools.git diff --git a/src/common/consumer.h b/src/common/consumer.h index dba776577..9a93c4279 100644 --- a/src/common/consumer.h +++ b/src/common/consumer.h @@ -77,6 +77,12 @@ struct lttng_consumer_channel { int key; uint64_t max_sb_size; /* the subbuffer size for this channel */ int refcount; /* Number of streams referencing this channel */ + /* + * The number of streams to receive initially. Used to guarantee that we do + * not destroy a channel before receiving all its associated streams. + */ + unsigned int nb_init_streams; + /* For UST */ int shm_fd; int wait_fd; @@ -332,7 +338,8 @@ extern struct lttng_consumer_stream *consumer_allocate_stream( uid_t uid, gid_t gid, int net_index, - int metadata_flag); + int metadata_flag, + int *alloc_ret); extern int consumer_add_stream(struct lttng_consumer_stream *stream); extern void consumer_del_stream(struct lttng_consumer_stream *stream); extern void consumer_change_stream_state(int stream_key, @@ -342,7 +349,8 @@ extern struct lttng_consumer_channel *consumer_allocate_channel( int channel_key, int shm_fd, int wait_fd, uint64_t mmap_len, - uint64_t max_sb_size); + uint64_t max_sb_size, + unsigned int nb_init_streams); int consumer_add_channel(struct lttng_consumer_channel *channel); /* lttng-relayd consumer command */