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-rw-r--r--erts/emulator/beam/erl_nif.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index e5d99dc4f1..33e221b44c 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -226,6 +226,15 @@ ERL_NIF_INIT_DECL(NAME) \
} \
ERL_NIF_INIT_EPILOGUE
+#if defined(USE_DYNAMIC_TRACE) && (defined(USE_DTRACE) || defined(USE_SYSTEMTAP))
+#define HAVE_USE_DTRACE 1
+#endif
+
+#ifdef HAVE_USE_DTRACE
+ERL_NIF_TERM erl_nif_user_trace_s1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM erl_nif_user_trace_i4s4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM erl_nif_user_trace_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]);
+#endif
#endif /* __ERL_NIF_H__ */