X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=include%2Flttng%2Fust-tracepoint-event.h;fp=include%2Flttng%2Fust-tracepoint-event.h;h=5f687090234d9540d5e983b31493478e2935d3bc;hb=f7f70ed72bb10703c55f812871100d86f1dc9b47;hp=78d85af2a85babac8ea938e62e5eec4f61fc4781;hpb=63fae78781b6f55b7345aa018250bf92834460e5;p=lttng-ust.git

diff --git a/include/lttng/ust-tracepoint-event.h b/include/lttng/ust-tracepoint-event.h
index 78d85af2..5f687090 100644
--- a/include/lttng/ust-tracepoint-event.h
+++ b/include/lttng/ust-tracepoint-event.h
@@ -112,7 +112,7 @@ void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(vo
 #define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args)	\
 	__tracepoint_provider_mismatch_##_provider();
 
-static __attribute__((unused))
+static inline
 void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
 {
 #include TRACEPOINT_INCLUDE
@@ -551,6 +551,15 @@ _TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void)
 {
 	int ret;
 
+	/*
+	 * __tracepoint_provider_check_ ## TRACEPOINT_PROVIDER() is a
+	 * static inline function that ensures every probe PROVIDER
+	 * argument match the provider within which they appear. It
+	 * calls empty static inline functions, and therefore has no
+	 * runtime effect. However, if it detects an error, a linker
+	 * error will appear.
+	 */
+	_TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)();
 	ret = ltt_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
 	assert(!ret);
 }