if work {
				for i := 0; i < 100; i++ {
					foo *= 2
					foo /= 2
				}
			}
			Runtime_Semacquire(&sem)
		}
		_ = foo
		Runtime_Semrelease(&sem, false, 0)
	})
}

func BenchmarkSemaSyntNonblock(b *testing.B) {
	benchmarkSema(b, false, false)
}

func BenchmarkSemaSyntBlock(b *testing.B) {
	benchmarkSema(b, true, false)
}

func BenchmarkSemaWorkNonblock(b *testing.B) {