X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracer.h;h=7e6a25139593de9918f5b4f6df01336403461ab2;hb=66d0d054fda6eb3c8066b2e1a180231aee23b644;hp=3a771e9b135c48aec798a18082d1203779580ec9;hpb=5f796aec4e514c556b20454a58c6ca9b4f3128a9;p=lttng-ust.git

diff --git a/include/lttng/ust-tracer.h b/include/lttng/ust-tracer.h
index 3a771e9b..7e6a2513 100644
--- a/include/lttng/ust-tracer.h
+++ b/include/lttng/ust-tracer.h
@@ -15,18 +15,31 @@
 #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
 
+/*
+ * Concatenate lttng ust shared libraries name with their major version number.
+ */
+#define LTTNG_UST_LIB_SONAME "liblttng-ust.so." lttng_ust_stringify(LTTNG_UST_LIB_SONAME_MAJOR)
+#define LTTNG_UST_TRACEPOINT_LIB_SONAME "liblttng-ust-tracepoint.so." lttng_ust_stringify(LTTNG_UST_LIB_SONAME_MAJOR)
+#define LTTNG_UST_CTL_LIB_SONAME "liblttng-ust-ctl.so." lttng_ust_stringify(LTTNG_UST_CTL_LIB_SONAME_MAJOR)
+
+
 #endif /* _LTTNG_UST_TRACER_H */