Fix: lttng perf counter deadlock

[lttng-ust.git] / liblttng-ust / lttng-tracer-core.h

diff --git a/liblttng-ust/lttng-tracer-core.h b/liblttng-ust/lttng-tracer-core.h
index ba232f32acf5dc20067a41d15b496653ca1ee1a8..f750f4b01e89a32e7c2237da8847e1c9e42ce98f 100644 (file)
--- a/liblttng-ust/lttng-tracer-core.h
+++ b/liblttng-ust/lttng-tracer-core.h
@@ -64,4 +64,23 @@ void lttng_ust_dummy_get_value(struct lttng_ctx_field *field,
 int lttng_context_is_app(const char *name);
 void lttng_ust_fixup_tls(void);
 
+#ifdef LTTNG_UST_HAVE_PERF_EVENT
+void lttng_ust_fixup_perf_counter_tls(void);
+void lttng_perf_lock(void);
+void lttng_perf_unlock(void);
+#else /* #ifdef LTTNG_UST_HAVE_PERF_EVENT */
+static inline
+void lttng_ust_fixup_perf_counter_tls(void)
+{
+}
+static inline
+void lttng_perf_lock(void)
+{
+}
+static inline
+void lttng_perf_unlock(void)
+{
+}
+#endif /* #else #ifdef LTTNG_UST_HAVE_PERF_EVENT */
+
 #endif /* _LTTNG_TRACER_CORE_H */