X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-events.h;h=aca645459820fe1de4eca570795980c205c67036;hb=2fa2d39a42f3407edcb0664bf4d04af28837ea2c;hp=19dd2d30d0d99b71d4cc96f1d0cc95ebf9716756;hpb=e755470cf63434d615dbae9abf550bb2cd953c6a;p=lttng-modules.git

diff --git a/lttng-events.h b/lttng-events.h
index 19dd2d30..aca64545 100644
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -219,6 +219,8 @@ struct lttng_ctx_field {
 		struct lttng_perf_counter_field *perf_counter;
 	} u;
 	void (*destroy)(struct lttng_ctx_field *field);
+	/* private data to keep state between get_size and record */
+	void *private;
 };
 
 struct lttng_ctx {
@@ -708,6 +710,9 @@ int lttng_add_migratable_to_ctx(struct lttng_ctx **ctx)
 	return -ENOSYS;
 }
 #endif
+
+int lttng_add_callstack_to_ctx(struct lttng_ctx **ctx, int type);
+
 #if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
 int lttng_add_perf_counter_to_ctx(uint32_t type,
 				  uint64_t config,