discard """
  output: "Exit 1\nExit 2"
  matrix: "--gc:refc; --gc:arc; --gc:orc"
  targets: "c"
"""

when compileOption("gc", "refc") or not defined(openbsd):
  # xxx openbsd failed, see tgc.nim
  import coro

  var coro1: CoroutineRef

  proc testCoroutine1() =
    for i in 0..<10:
      suspend(0)
    echo "Exit 1"

  proc testCoroutine2() =
    coro1.wait()
    echo "Exit 2"

  coro1 = coro.start(testCoroutine1)
  coro.start(testCoroutine2)
  run()
else:
  # workaround
  echo "Exit 1"
  echo "Exit 2"
