X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fltt-ring-buffer-metadata-client.h;h=46aab3cce8d87d9300f2fcd032717e6a00cfd689;hb=a3f61e7f689a5fc60b833a773f462989dc6cc78f;hp=4f2620e0a5426441b5aeb9a6e307e80199bfd388;hpb=84ac63b891bfc8826584719a71f071b06ca66675;p=lttng-ust.git

diff --git a/liblttng-ust/ltt-ring-buffer-metadata-client.h b/liblttng-ust/ltt-ring-buffer-metadata-client.h
index 4f2620e0..46aab3cc 100644
--- a/liblttng-ust/ltt-ring-buffer-metadata-client.h
+++ b/liblttng-ust/ltt-ring-buffer-metadata-client.h
@@ -88,10 +88,9 @@ static void client_buffer_begin(struct lttng_ust_lib_ring_buffer *buf, u64 tsc,
 				subbuf_idx * chan->backend.subbuf_size,
 				handle);
 	struct ltt_channel *ltt_chan = channel_get_private(chan);
-	struct ltt_session *session = ltt_chan->session;
 
 	header->magic = TSDL_MAGIC_NUMBER;
-	memcpy(header->uuid, session->uuid, sizeof(session->uuid));
+	memcpy(header->uuid, ltt_chan->uuid, sizeof(ltt_chan->uuid));
 	header->checksum = 0;		/* 0 if unused */
 	header->content_size = 0xFFFFFFFF; /* in bits, for debugging */
 	header->packet_size = 0xFFFFFFFF;  /* in bits, for debugging */
@@ -165,19 +164,26 @@ const struct lttng_ust_lib_ring_buffer_client_cb *LTTNG_CLIENT_CALLBACKS = &clie
 
 static
 struct ltt_channel *_channel_create(const char *name,
-				struct ltt_channel *ltt_chan, void *buf_addr,
+				void *buf_addr,
 				size_t subbuf_size, size_t num_subbuf,
 				unsigned int switch_timer_interval,
 				unsigned int read_timer_interval,
 				int *shm_fd, int *wait_fd,
 				uint64_t *memory_map_size)
 {
-	ltt_chan->handle = channel_create(&client_config, name, ltt_chan, buf_addr,
-			      subbuf_size, num_subbuf, switch_timer_interval,
-			      read_timer_interval, shm_fd, wait_fd,
-			      memory_map_size);
-	if (!ltt_chan->handle)
+	void *priv;
+	struct ltt_channel *ltt_chan = NULL;
+	struct lttng_ust_shm_handle *handle;
+
+	handle = channel_create(&client_config, name,
+			&priv, __alignof__(*ltt_chan), sizeof(*ltt_chan),
+			buf_addr, subbuf_size, num_subbuf,
+			switch_timer_interval, read_timer_interval,
+			shm_fd, wait_fd, memory_map_size);
+	if (!handle)
 		return NULL;
+	ltt_chan = priv;
+	ltt_chan->handle = handle;
 	ltt_chan->chan = shmp(ltt_chan->handle, ltt_chan->handle->chan);
 	return ltt_chan;
 }