SoW-2019-0007-2: Dynamic Snapshot: Triggers send partial event payload with notifications

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

diff --git a/include/ust-comm.h b/include/ust-comm.h
index a5e0957235ff2503e73ec8f8dfd3f17356e05735..77db36ea40d1887bdd193e1cc5940f94bd5960e6 100644 (file)
--- a/include/ust-comm.h
+++ b/include/ust-comm.h
@@ -89,6 +89,7 @@ struct ustcomm_ust_msg {
        uint32_t cmd;
        char padding[USTCOMM_MSG_PADDING1];
        union {
+               struct lttng_ust_trigger trigger;
                struct lttng_ust_channel channel;
                struct lttng_ust_stream stream;
                struct lttng_ust_event event;
@@ -103,6 +104,11 @@ struct ustcomm_ust_msg {
                struct {
                        uint32_t count; /* how many names follow */
                } LTTNG_PACKED exclusion;
+               struct {
+                       uint32_t data_size;     /* following capture data */
+                       uint32_t reloc_offset;
+                       uint64_t seqnum;
+               } LTTNG_PACKED capture;
                char padding[USTCOMM_MSG_PADDING2];
        } u;
 } LTTNG_PACKED;
@@ -220,6 +226,8 @@ ssize_t ustcomm_recv_channel_from_sessiond(int sock,
 int ustcomm_recv_stream_from_sessiond(int sock,
                uint64_t *memory_map_size,
                int *shm_fd, int *wakeup_fd);
+ssize_t ustcomm_recv_trigger_notif_fd_from_sessiond(int sock,
+               int *trigger_notif_fd);
 
 /*
  * Returns 0 on success, negative error value on error.