X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=f7704b46564a63273dabe03b9e181b4846ed4292;hb=d73bf3d793ee0b0c5b56cb47cb50c27d1789d3bd;hp=539d80b0b4a32223054a08be4116fda25f7986eb;hpb=d9a2e16ee3abce83801f58473831330aa8a5463b;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index 539d80b0b..f7704b465 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1078,6 +1078,47 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
 		}
 		break;
 	}
+	case LTTNG_CONSUMER_SET_CHANNEL_ROTATE_PIPE:
+	{
+		int channel_rotate_pipe;
+		int flags;
+
+		ret_code = LTTCOMM_CONSUMERD_SUCCESS;
+		/* Successfully received the command's type. */
+		ret = consumer_send_status_msg(sock, ret_code);
+		if (ret < 0) {
+			goto error_fatal;
+		}
+
+		ret = lttcomm_recv_fds_unix_sock(sock, &channel_rotate_pipe, 1);
+		if (ret != (ssize_t) sizeof(channel_rotate_pipe)) {
+			ERR("Failed to receive channel rotate pipe");
+			goto error_fatal;
+		}
+
+		DBG("Received channel rotate pipe (%d)", channel_rotate_pipe);
+		ctx->channel_rotate_pipe = channel_rotate_pipe;
+		/* Set the pipe as non-blocking. */
+		ret = fcntl(channel_rotate_pipe, F_GETFL, 0);
+		if (ret == -1) {
+			PERROR("fcntl get flags of the channel rotate pipe");
+			goto error_fatal;
+		}
+		flags = ret;
+
+		ret = fcntl(channel_rotate_pipe, F_SETFL, flags | O_NONBLOCK);
+		if (ret == -1) {
+			PERROR("fcntl set O_NONBLOCK flag of the channel rotate pipe");
+			goto error_fatal;
+		}
+		DBG("Channel rotate pipe set as non-blocking");
+		ret_code = LTTCOMM_CONSUMERD_SUCCESS;
+		ret = consumer_send_status_msg(sock, ret_code);
+		if (ret < 0) {
+			goto error_fatal;
+		}
+		break;
+	}
 	case LTTNG_CONSUMER_ROTATE_RENAME:
 	{
 		DBG("Consumer rename session %" PRIu64 " after rotation, old path = \"%s\", new path = \"%s\"",