Remove vtracelog and vtracef from v0 compat API

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

diff --git a/include/lttng/ust-tracer.h b/include/lttng/ust-tracer.h
index 4b12be184481cc5501622e2bbc97f2cf4a31a8c4..7e6a25139593de9918f5b4f6df01336403461ab2 100644 (file)
--- a/include/lttng/ust-tracer.h
+++ b/include/lttng/ust-tracer.h
@@ -15,18 +15,23 @@
 #include <lttng/ust-version.h>
 
 /*
- * Default to having the content of the ringbuffer respect the natural
- * alignment of the system. Only pack its content on architectures we know
- * have efficient unaligned memory access.
+ * On architectures without efficient unaligned accesses, the layout of
+ * the ringbuffer's content respects the natural alignment of the
+ * system. Only pack its content on architectures we know have efficient
+ * unaligned memory access.
+ *
+ * Whether to pack the ring buffer contents or not is part of the ABI
+ * between the probe providers and the tracer, and is selected by the
+ * lttng/ust-arch.h header.
  */
 #ifndef LTTNG_UST_ARCH_HAS_EFFICIENT_UNALIGNED_ACCESS
 #define LTTNG_UST_RING_BUFFER_NATURAL_ALIGN
 #endif
 
 #ifdef LTTNG_UST_RING_BUFFER_NATURAL_ALIGN
-#define lttng_alignof(type)    __alignof__(type)
+#define lttng_ust_rb_alignof(type)     __alignof__(type)
 #else
-#define lttng_alignof(type)    1
+#define lttng_ust_rb_alignof(type)     1
 #endif
 
 /*