Cleanup: Add whitelines after struct_size fields

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

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 624af8bb1bc18b37578d9741891ef5bd73a4effd..059589f34853eedabf1ae0be447da55d733011d6 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -246,59 +246,6 @@ struct lttng_ust_event_field {
        /* End of base ABI. Fields below should be used after checking struct_size. */
 };
 
-enum lttng_ust_dynamic_type {
-       LTTNG_UST_DYNAMIC_TYPE_NONE,
-       LTTNG_UST_DYNAMIC_TYPE_S8,
-       LTTNG_UST_DYNAMIC_TYPE_S16,
-       LTTNG_UST_DYNAMIC_TYPE_S32,
-       LTTNG_UST_DYNAMIC_TYPE_S64,
-       LTTNG_UST_DYNAMIC_TYPE_U8,
-       LTTNG_UST_DYNAMIC_TYPE_U16,
-       LTTNG_UST_DYNAMIC_TYPE_U32,
-       LTTNG_UST_DYNAMIC_TYPE_U64,
-       LTTNG_UST_DYNAMIC_TYPE_FLOAT,
-       LTTNG_UST_DYNAMIC_TYPE_DOUBLE,
-       LTTNG_UST_DYNAMIC_TYPE_STRING,
-       _NR_LTTNG_UST_DYNAMIC_TYPES,
-};
-
-struct lttng_ctx_value {
-       enum lttng_ust_dynamic_type sel;
-       union {
-               int64_t s64;
-               uint64_t u64;
-               const char *str;
-               double d;
-       } u;
-};
-
-struct lttng_perf_counter_field;
-
-#define LTTNG_UST_CTX_FIELD_PADDING    40
-struct lttng_ctx_field {
-       struct lttng_ust_event_field event_field;
-       size_t (*get_size)(struct lttng_ctx_field *field, size_t offset);
-       void (*record)(struct lttng_ctx_field *field,
-                      struct lttng_ust_lib_ring_buffer_ctx *ctx,
-                      struct lttng_channel *chan);
-       void (*get_value)(struct lttng_ctx_field *field,
-                        struct lttng_ctx_value *value);
-       union {
-               struct lttng_perf_counter_field *perf_counter;
-               char padding[LTTNG_UST_CTX_FIELD_PADDING];
-       } u;
-       void (*destroy)(struct lttng_ctx_field *field);
-       char *field_name;       /* Has ownership, dynamically allocated. */
-};
-
-#define LTTNG_UST_CTX_PADDING  20
-struct lttng_ctx {
-       struct lttng_ctx_field *fields;
-       unsigned int nr_fields;
-       unsigned int allocated_fields;
-       unsigned int largest_align;
-       char padding[LTTNG_UST_CTX_PADDING];
-};
 
 /*
  * IMPORTANT: this structure is part of the ABI between the probe and
@@ -311,6 +258,7 @@ struct lttng_ctx {
  */
 struct lttng_ust_event_desc {
        uint32_t struct_size;                   /* Size of this structure. */
+
        const char *name;
        void (*probe_callback)(void);
        const struct lttng_event_ctx *ctx;      /* context */
@@ -396,6 +344,7 @@ struct lttng_ust_bytecode_runtime {
  * removed.
  */
 
+struct lttng_ust_ctx;
 struct lttng_ust_event_common_private;
 
 enum lttng_ust_event_type {
@@ -420,6 +369,7 @@ enum lttng_ust_event_type {
  */
 struct lttng_ust_event_common {
        uint32_t struct_size;                           /* Size of this structure. */
+
        struct lttng_ust_event_common_private *priv;    /* Private event interface */
 
        enum lttng_ust_event_type type;
@@ -451,12 +401,13 @@ struct lttng_ust_event_recorder_private;
  */
 struct lttng_ust_event_recorder {
        uint32_t struct_size;                           /* Size of this structure. */
+
        struct lttng_ust_event_common *parent;          /* Inheritance by aggregation. */
        struct lttng_ust_event_recorder_private *priv;  /* Private event record interface */
 
        unsigned int id;
        struct lttng_channel *chan;
-       struct lttng_ctx *ctx;
+       struct lttng_ust_ctx *ctx;
 
        /* End of base ABI. Fields below should be used after checking struct_size. */
 };
@@ -490,7 +441,7 @@ struct lttng_ust_event_notifier {
        /* End of base ABI. Fields below should be used after checking struct_size. */
 };
 
-struct channel;
+struct lttng_ust_lib_ring_buffer_channel;
 struct lttng_ust_shm_handle;
 
 /*
@@ -525,11 +476,12 @@ struct lttng_ust_channel_ops {
         * packet. Note that the size returned is only a hint, since it
         * may change due to concurrent writes.
         */
-       size_t (*packet_avail_size)(struct channel *chan,
+       size_t (*packet_avail_size)(struct lttng_ust_lib_ring_buffer_channel *chan,
                                    struct lttng_ust_shm_handle *handle);
-       int (*is_finalized)(struct channel *chan);
-       int (*is_disabled)(struct channel *chan);
-       int (*flush_buffer)(struct channel *chan, struct lttng_ust_shm_handle *handle);
+       int (*is_finalized)(struct lttng_ust_lib_ring_buffer_channel *chan);
+       int (*is_disabled)(struct lttng_ust_lib_ring_buffer_channel *chan);
+       int (*flush_buffer)(struct lttng_ust_lib_ring_buffer_channel *chan,
+                           struct lttng_ust_shm_handle *handle);
        void (*event_strcpy)(struct lttng_ust_lib_ring_buffer_ctx *ctx,
                        const char *src, size_t len);
 
@@ -548,9 +500,9 @@ struct lttng_channel {
         * consumer process is designed to be allowed to do is to read
         * and perform subbuffer flush.
         */
-       struct channel *chan;           /* Channel buffers */
+       struct lttng_ust_lib_ring_buffer_channel *chan; /* Channel buffers */
        int enabled;
-       struct lttng_ctx *ctx;
+       struct lttng_ust_ctx *ctx;
        /* Event ID management */
        struct lttng_session *session;
        int objd;                       /* Object associated to channel */
@@ -579,8 +531,8 @@ struct lttng_ust_stack_ctx {
        uint32_t struct_size;                   /* Size of this structure */
 
        struct lttng_ust_event_recorder *event_recorder;
-       struct lttng_ctx *chan_ctx;     /* RCU dereferenced. */
-       struct lttng_ctx *event_ctx;    /* RCU dereferenced. */
+       struct lttng_ust_ctx *chan_ctx; /* RCU dereferenced. */
+       struct lttng_ust_ctx *event_ctx;        /* RCU dereferenced. */
 
        /* End of base ABI. Fields below should be used after checking struct_size. */
 };
@@ -598,6 +550,7 @@ struct lttng_ust_session_private;
  */
 struct lttng_session {
        uint32_t struct_size;                   /* Size of this structure */
+
        struct lttng_ust_session_private *priv; /* Private session interface */
 
        int active;                             /* Is trace session active ? */
@@ -609,15 +562,12 @@ int lttng_ust_probe_register(struct lttng_ust_probe_desc *desc);
 void lttng_ust_probe_unregister(struct lttng_ust_probe_desc *desc);
 
 /*
- * Can be used by applications that change their procname to clear the ust cached value.
+ * Applications that change their procname and need the new value to be
+ * reflected in the procname event context have to call this function to clear
+ * the internally cached value. This should not be called from a signal
+ * handler.
  */
-void lttng_context_procname_reset(void);
-
-struct lttng_transport *lttng_transport_find(const char *name);
-
-int lttng_session_active(void);
-
-void lttng_ust_dl_update(void *ip);
+void lttng_ust_context_procname_reset(void);
 
 #ifdef __cplusplus
 }