1 files changed, 18 insertions, 0 deletions
diff --git a/spec/ruby/core/process/fixtures/clocks.rb b/spec/ruby/core/process/fixtures/clocks.rb
new file mode 100644
index 0000000000..5757e280be
--- /dev/null
+++ b/spec/ruby/core/process/fixtures/clocks.rb
@@ -0,0 +1,18 @@
+module ProcessSpecs
+  def self.clock_constants
+    clocks = []
+
+    platform_is_not :windows do
+      clocks += Process.constants.select { |c| c.to_s.start_with?('CLOCK_') }
+
+      # These require CAP_WAKE_ALARM and are not documented in
+      # Process#clock_gettime. They return EINVAL if the permission
+      # is not granted.
+      clocks -= [:CLOCK_BOOTTIME_ALARM, :CLOCK_REALTIME_ALARM]
+    end
+
+    clocks.sort.map { |c|
+      [c, Process.const_get(c)]
+    }
+  end
+end