Introduce ustctl_write_one_packet_to_channel

[lttng-ust.git] / include / lttng / ust-ctl.h

diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h
index 2cf537a32c41a85fb0a12be2fbb24585345a35b6..3c81e509a4af551e54ab0db2e0e6da9caad14370 100644 (file)
--- a/include/lttng/ust-ctl.h
+++ b/include/lttng/ust-ctl.h
@@ -50,6 +50,7 @@ struct ustctl_consumer_channel_attr {
        unsigned int switch_timer_interval;     /* usec */
        unsigned int read_timer_interval;       /* usec */
        enum lttng_ust_output output;           /* splice, mmap */
+       uint32_t chan_id;                       /* channel ID */
        unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
 } LTTNG_PACKED;
 
@@ -163,6 +164,10 @@ int ustctl_write_metadata_to_channel(
                struct ustctl_consumer_channel *channel,
                const char *metadata_str,       /* NOT null-terminated */
                size_t len);                    /* metadata length */
+ssize_t ustctl_write_one_packet_to_channel(
+               struct ustctl_consumer_channel *channel,
+               const char *metadata_str,       /* NOT null-terminated */
+               size_t len);                    /* metadata length */
 
 /*
  * Send a NULL stream to finish iteration over all streams of a given