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-rw-r--r--erts/emulator/sys/win32/erl_win_sys.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h
index 7e8dd8a4ca..1ab9eadefd 100644
--- a/erts/emulator/sys/win32/erl_win_sys.h
+++ b/erts/emulator/sys/win32/erl_win_sys.h
@@ -238,6 +238,8 @@ erts_sys_hrtime(void)
extern void sys_gettimeofday(SysTimeval *tv);
extern clock_t sys_times(SysTimes *buffer);
+#define sys_perf_counter(ts) *(ts) = erts_sys_hrtime()
+#define SYS_PERF_COUNTER_UNIT ERTS_I64_LITERAL(1000000000)
extern char *win_build_environment(char *);