Move context types to private header

[lttng-ust.git] / include / ust-context-provider.h

diff --git a/include/ust-context-provider.h b/include/ust-context-provider.h
index cd845583b90484dfbfa818424d6e4c94a8e535d6..670c38633b18120d746382610053c9c26af90462 100644 (file)
--- a/include/ust-context-provider.h
+++ b/include/ust-context-provider.h
@@ -15,6 +15,46 @@
 #include <lttng/ust-events.h>
 #include <urcu/hlist.h>
 
+#include "ust-dynamic-type.h"
+
+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];
+};
+
 struct lttng_ust_context_provider {
        char *name;
        size_t (*get_size)(struct lttng_ctx_field *field, size_t offset);