Magical wait to get rid of deadlock on macOS

2023-09-22 23:43:28 +09:00 · 2023-09-22 23:43:28 +09:00 · ea5f8e123c
commit ea5f8e123c
parent 416a8202bc
1 changed files with 4 additions and 0 deletions
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@ -715,6 +715,10 @@ class TestProcess < Test::Unit::TestCase
        sleep 0.2 # wait for the child to stop at opening "fifo"
        Process.kill(:USR1, io.pid)
        assert_equal("trap\n", io.readpartial(8))
+        sleep 0.2 # wait for the child to return to opening "fifo".
+        # On arm64-darwin22, often deadlocks while the child is
+        # opening "fifo".  Not sure to where "ok" line being written
+        # at the next has gone.
        File.write("fifo", "ok\n")
        assert_equal("ok\n", io.read)
      }