Implement dynamic types, and application context provider support

[deliverable/lttng-ust.git] / include / lttng / ringbuffer-config.h

diff --git a/include/lttng/ringbuffer-config.h b/include/lttng/ringbuffer-config.h
index 87344c94c8285f94b296f318ae58880dedcc7a39..5ae0d8a6a4985500e168ab0e529b8642f0cba554 100644 (file)
--- a/include/lttng/ringbuffer-config.h
+++ b/include/lttng/ringbuffer-config.h
@@ -228,7 +228,7 @@ struct lttng_ust_lib_ring_buffer_config {
  * removed.
  */
 #define LTTNG_UST_RING_BUFFER_CTX_PADDING      \
-               (24 - sizeof(int) - sizeof(void *))
+               (24 - sizeof(int) - sizeof(void *) - sizeof(void *))
 struct lttng_ust_lib_ring_buffer_ctx {
        /* input received by lib_ring_buffer_reserve(), saved here. */
        struct channel *chan;           /* channel */
@@ -258,6 +258,7 @@ struct lttng_ust_lib_ring_buffer_ctx {
        unsigned int rflags;            /* reservation flags */
        unsigned int padding1;          /* padding to realign on pointer */
        void *ip;                       /* caller ip address */
+       void *priv2;                    /* 2nd priv data */
        char padding2[LTTNG_UST_RING_BUFFER_CTX_PADDING];
 };
 
@@ -274,12 +275,14 @@ static inline lttng_ust_notrace
 void lib_ring_buffer_ctx_init(struct lttng_ust_lib_ring_buffer_ctx *ctx,
                              struct channel *chan, void *priv,
                              size_t data_size, int largest_align,
-                             int cpu, struct lttng_ust_shm_handle *handle);
+                             int cpu, struct lttng_ust_shm_handle *handle,
+                             void *priv2);
 static inline
 void lib_ring_buffer_ctx_init(struct lttng_ust_lib_ring_buffer_ctx *ctx,
                              struct channel *chan, void *priv,
                              size_t data_size, int largest_align,
-                             int cpu, struct lttng_ust_shm_handle *handle)
+                             int cpu, struct lttng_ust_shm_handle *handle,
+                             void *priv2)
 {
        ctx->chan = chan;
        ctx->priv = priv;
@@ -290,6 +293,7 @@ void lib_ring_buffer_ctx_init(struct lttng_ust_lib_ring_buffer_ctx *ctx,
        ctx->handle = handle;
        ctx->padding1 = 0;
        ctx->ip = 0;
+       ctx->priv2 = priv2;
        memset(ctx->padding2, 0, LTTNG_UST_RING_BUFFER_CTX_PADDING);
 }