平台：linux依赖：g++ supports c++0x
代码如下:void func1(){ coroutine.yield();}
void func2(Coro_t co1){ coroutine.resume(co1); coroutine.yield();}
void func(){ Coro_t co1 = coroutine.create(std::bind(&func1)); coroutine.resume(co1); Coro_t co2 = coroutine.create(std::bind(&func2,
