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-rw-r--r--erts/emulator/beam/global.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index e8a7573e86..4247b25ab1 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1168,6 +1168,9 @@ extern ErtsModifiedTimings erts_modified_timings[];
extern int erts_no_line_info;
extern Eterm erts_error_logger_warnings;
extern int erts_initialized;
+#if defined(USE_THREADS) && !defined(ERTS_SMP)
+extern erts_tid_t erts_main_thread;
+#endif
extern int erts_compat_rel;
extern int erts_use_sender_punish;
void erts_short_init(void);