Fix: mismatch between code and comments

[lttng-ust.git] / liblttng-ust-ctl / ustctl.c

diff --git a/liblttng-ust-ctl/ustctl.c b/liblttng-ust-ctl/ustctl.c
index 7830132b8c41d08c295bc2dc10cee41faf3940da..e07ec926adb51b843c66b0e55207f01e5432b628 100644 (file)
--- a/liblttng-ust-ctl/ustctl.c
+++ b/liblttng-ust-ctl/ustctl.c
@@ -273,6 +273,40 @@ int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode,
        return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd);
 }
 
+int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion,
+               struct lttng_ust_object_data *obj_data)
+{
+       struct ustcomm_ust_msg lum;
+       struct ustcomm_ust_reply lur;
+       int ret;
+
+       if (!obj_data) {
+               return -EINVAL;
+       }
+
+       memset(&lum, 0, sizeof(lum));
+       lum.handle = obj_data->handle;
+       lum.cmd = LTTNG_UST_EXCLUSION;
+       lum.u.exclusion.count = exclusion->count;
+
+       ret = ustcomm_send_app_msg(sock, &lum);
+       if (ret) {
+               return ret;
+       }
+
+       /* send var len exclusion names */
+       ret = ustcomm_send_unix_sock(sock,
+                       exclusion->names,
+                       exclusion->count * LTTNG_UST_SYM_NAME_LEN);
+       if (ret < 0) {
+               return ret;
+       }
+       if (ret != exclusion->count * LTTNG_UST_SYM_NAME_LEN) {
+               return -EINVAL;
+       }
+       return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd);
+}
+
 /* Enable event, channel and session ioctl */
 int ustctl_enable(int sock, struct lttng_ust_object_data *object)
 {
@@ -978,6 +1012,8 @@ chan_error:
 
 void ustctl_destroy_channel(struct ustctl_consumer_channel *chan)
 {
+       (void) ustctl_channel_close_wait_fd(chan);
+       (void) ustctl_channel_close_wakeup_fd(chan);
        chan->chan->ops->channel_destroy(chan->chan);
        free(chan);
 }
@@ -1186,6 +1222,8 @@ void ustctl_destroy_stream(struct ustctl_consumer_stream *stream)
        assert(stream);
        buf = stream->buf;
        consumer_chan = stream->chan;
+       (void) ustctl_stream_close_wait_fd(stream);
+       (void) ustctl_stream_close_wakeup_fd(stream);
        lib_ring_buffer_release_read(buf, consumer_chan->chan->handle);
        free(stream);
 }
@@ -1485,11 +1523,13 @@ int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream,
                uint64_t *timestamp_begin)
 {
        struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
-       struct lttng_ust_lib_ring_buffer *buf = stream->buf;
-       struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
 
        if (!stream || !timestamp_begin)
                return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
        client_cb = get_client_cb(buf, handle);
        if (!client_cb)
                return -ENOSYS;
@@ -1500,11 +1540,13 @@ int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream,
        uint64_t *timestamp_end)
 {
        struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
-       struct lttng_ust_lib_ring_buffer *buf = stream->buf;
-       struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
 
        if (!stream || !timestamp_end)
                return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
        client_cb = get_client_cb(buf, handle);
        if (!client_cb)
                return -ENOSYS;
@@ -1515,11 +1557,13 @@ int ustctl_get_events_discarded(struct ustctl_consumer_stream *stream,
        uint64_t *events_discarded)
 {
        struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
-       struct lttng_ust_lib_ring_buffer *buf = stream->buf;
-       struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
 
        if (!stream || !events_discarded)
                return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
        client_cb = get_client_cb(buf, handle);
        if (!client_cb)
                return -ENOSYS;
@@ -1530,11 +1574,13 @@ int ustctl_get_content_size(struct ustctl_consumer_stream *stream,
        uint64_t *content_size)
 {
        struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
-       struct lttng_ust_lib_ring_buffer *buf = stream->buf;
-       struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
 
        if (!stream || !content_size)
                return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
        client_cb = get_client_cb(buf, handle);
        if (!client_cb)
                return -ENOSYS;
@@ -1545,11 +1591,13 @@ int ustctl_get_packet_size(struct ustctl_consumer_stream *stream,
        uint64_t *packet_size)
 {
        struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
-       struct lttng_ust_lib_ring_buffer *buf = stream->buf;
-       struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
 
        if (!stream || !packet_size)
                return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
        client_cb = get_client_cb(buf, handle);
        if (!client_cb)
                return -ENOSYS;
@@ -1560,17 +1608,36 @@ int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
                uint64_t *stream_id)
 {
        struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
-       struct lttng_ust_lib_ring_buffer *buf = stream->buf;
-       struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
 
        if (!stream || !stream_id)
                return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
        client_cb = get_client_cb(buf, handle);
        if (!client_cb)
                return -ENOSYS;
        return client_cb->stream_id(buf, handle, stream_id);
 }
 
+int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
+               uint64_t *ts)
+{
+       struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+       struct lttng_ust_lib_ring_buffer *buf;
+       struct lttng_ust_shm_handle *handle;
+
+       if (!stream || !ts)
+               return -EINVAL;
+       buf = stream->buf;
+       handle = stream->chan->chan->handle;
+       client_cb = get_client_cb(buf, handle);
+       if (!client_cb || !client_cb->current_timestamp)
+               return -ENOSYS;
+       return client_cb->current_timestamp(buf, handle, ts);
+}
+
 /*
  * Returns 0 on success, negative error value on error.
  */