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-rw-r--r--absl/synchronization/internal/kernel_timeout.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/absl/synchronization/internal/kernel_timeout.h b/absl/synchronization/internal/kernel_timeout.h
index 4e361a6a..06404a75 100644
--- a/absl/synchronization/internal/kernel_timeout.h
+++ b/absl/synchronization/internal/kernel_timeout.h
@@ -128,6 +128,11 @@ class KernelTimeout {
// case of a spurious wakeup.
std::chrono::nanoseconds ToChronoDuration() const;
+ // Returns true if steady (aka monotonic) clocks are supported by the system.
+ // This method exists because go/btm requires synchronized clocks, and
+ // thus requires we use the system (aka walltime) clock.
+ static constexpr bool SupportsSteadyClock() { return true; }
+
private:
// Returns the current time, expressed as a count of nanoseconds since the
// epoch used by an arbitrary clock. The implementation tries to use a steady