int channel_kernel_disable(struct ltt_kernel_session *ksession,
char *channel_name);
-int channel_kernel_enable(struct ltt_kernel_session *ksession,
+enum lttng_error_code channel_kernel_enable(struct ltt_kernel_session *ksession,
struct ltt_kernel_channel *kchan);
-int channel_kernel_create(struct ltt_kernel_session *ksession,
- struct lttng_channel *chan, int kernel_pipe);
+enum lttng_error_code channel_kernel_create(struct ltt_kernel_session *ksession,
+ struct lttng_channel *chan,
+ int kernel_pipe);
struct lttng_channel *channel_new_default_attr(int domain,
enum lttng_buffer_type type);
void channel_attr_destroy(struct lttng_channel *channel);
-int channel_ust_create(struct ltt_ust_session *usess,
+enum lttng_error_code channel_ust_create(struct ltt_ust_session *usess,
struct lttng_channel *attr, enum lttng_buffer_type type);
-int channel_ust_enable(struct ltt_ust_session *usess,
+enum lttng_error_code channel_ust_enable(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan);
int channel_ust_disable(struct ltt_ust_session *usess,
struct ltt_ust_channel *uchan);