X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=0b0592adb8a3bbe008141a4cb92196e020b752c8;hp=196deee9a153e521447703915d9ee9d2790502a4;hb=6d805429e9cb049eb0c9205fcf742a53e3166caf;hpb=9449cc7574c27419ac4424b4653a6f4428d01b4d diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c index 196deee9a..0b0592adb 100644 --- a/src/common/kernel-consumer/kernel-consumer.c +++ b/src/common/kernel-consumer/kernel-consumer.c @@ -280,19 +280,19 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, goto end_nosignal; } - case LTTNG_CONSUMER_DATA_AVAILABLE: + case LTTNG_CONSUMER_DATA_PENDING: { int32_t ret; - uint64_t id = msg.u.data_available.session_id; + uint64_t id = msg.u.data_pending.session_id; - DBG("Kernel consumer data available command for id %" PRIu64, id); + DBG("Kernel consumer data pending command for id %" PRIu64, id); - ret = consumer_data_available(id); + ret = consumer_data_pending(id); /* Send back returned value to session daemon */ ret = lttcomm_send_unix_sock(sock, &ret, sizeof(ret)); if (ret < 0) { - PERROR("send data available ret code"); + PERROR("send data pending ret code"); } break; } @@ -488,10 +488,10 @@ error: * stream. Consumer data lock MUST be acquired before calling this function * and the stream lock. * - * Return 0 if the traced data are still getting read else 1 meaning that the + * Return 1 if the traced data are still getting read else 0 meaning that the * data is available for trace viewer reading. */ -int lttng_kconsumer_data_available(struct lttng_consumer_stream *stream) +int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream) { int ret; @@ -502,11 +502,12 @@ int lttng_kconsumer_data_available(struct lttng_consumer_stream *stream) /* There is still data so let's put back this subbuffer. */ ret = kernctl_put_subbuf(stream->wait_fd); assert(ret == 0); + ret = 1; /* Data is pending */ goto end; } - /* Data is available to be read for this stream. */ - ret = 1; + /* Data is NOT pending and ready to be read. */ + ret = 0; end: return ret;