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-rw-r--r--src/devices/timer.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/devices/timer.h b/src/devices/timer.h
index aee6033..e2f0e0b 100644
--- a/src/devices/timer.h
+++ b/src/devices/timer.h
@@ -17,4 +17,7 @@ void timer_nsleep (int64_t nanoseconds);
void timer_print_stats (void);
+/* used by thread test programs */
+extern uint16_t TIMER_FREQ;
+
#endif /* devices/timer.h */