X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=d5418dcdabb0217873baf94dc11c15c8af96566d;hb=7b33648488cbc5292327347cf6b48c342f9ed8dc;hp=a8abcd7901121c62dc27ec94f7d01cee62d2a6fa;hpb=f0b03c2289d0f84c1e2dc41be70cd0bcc222e181;p=lttng-tools.git diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c index a8abcd790..d5418dcda 100644 --- a/src/common/kernel-consumer/kernel-consumer.c +++ b/src/common/kernel-consumer/kernel-consumer.c @@ -1315,12 +1315,34 @@ ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream, } ret = update_stream_stats(stream); if (ret < 0) { + err = kernctl_put_subbuf(infd); + if (err != 0) { + if (err == -EFAULT) { + PERROR("Error in unreserving sub buffer\n"); + } else if (err == -EIO) { + /* Should never happen with newer LTTng versions */ + PERROR("Reader has been pushed by the writer, last sub-buffer corrupted."); + } + ret = err; + goto end; + } goto end; } } else { write_index = 0; ret = metadata_stream_check_version(infd, stream); if (ret < 0) { + err = kernctl_put_subbuf(infd); + if (err != 0) { + if (err == -EFAULT) { + PERROR("Error in unreserving sub buffer\n"); + } else if (err == -EIO) { + /* Should never happen with newer LTTng versions */ + PERROR("Reader has been pushed by the writer, last sub-buffer corrupted."); + } + ret = err; + goto end; + } goto end; } } @@ -1475,14 +1497,18 @@ int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream) stream->tracefile_size_current = 0; if (!stream->metadata_flag) { - ret = index_create_file(stream->chan->pathname, + struct lttng_index_file *index_file; + + index_file = lttng_index_file_create(stream->chan->pathname, stream->name, stream->uid, stream->gid, stream->chan->tracefile_size, - stream->tracefile_count_current); - if (ret < 0) { + stream->tracefile_count_current, + CTF_INDEX_MAJOR, CTF_INDEX_MINOR); + if (!index_file) { goto error; } - stream->index_fd = ret; + assert(!stream->index_file); + stream->index_file = index_file; } }