X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcommon%2Fconsumer.h;h=d0cd8fd869e2b647581e02e163f75725365124f8;hb=e316aad5fbbe3782872083cb68dfdd58bccea811;hp=dba7765772859bd703adb5ba9e0889759d5fb757;hpb=d09e1200ec761aef77c721bd648a299eefcc8565;p=lttng-tools.git diff --git a/src/common/consumer.h b/src/common/consumer.h index dba776577..d0cd8fd86 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; @@ -332,9 +338,13 @@ 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_del_stream(struct lttng_consumer_stream *stream, + struct lttng_ht *ht); +extern void consumer_del_metadata_stream(struct lttng_consumer_stream *stream, + struct lttng_ht *ht); extern void consumer_change_stream_state(int stream_key, enum lttng_consumer_stream_state state); extern void consumer_del_channel(struct lttng_consumer_channel *channel); @@ -342,7 +352,8 @@ 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 */