无任何改动，执行test_coroutine产生core_dump

[xiaozhang8tuo]

(gdb) bt
#0 0x000055ef99818064 in tinyrpc::Coroutine::Coroutine (this=0x55ef9b3c1b80) at /usr/include/c++/9/bits/shared_ptr_base.h:1020
#1 0x000055ef99818bfd in tinyrpc::Coroutine::Coroutine(int, char*, std::function<void ()>) (this=0x55ef9b3c2180, size=, stack_ptr=, cb=...)
at tinyrpc/coroutine/coroutine.cc:87
#2 0x000055ef99816c05 in __gnu_cxx::new_allocatortinyrpc::Coroutine::construct<tinyrpc::Coroutine, int&, char*&, void (&)()> (__p=0x55ef9b3c2180, this=)
at /usr/include/c++/9/new:174
#3 std::allocator_traits<std::allocatortinyrpc::Coroutine >::construct<tinyrpc::Coroutine, int&, char*&, void (&)()> (__p=0x55ef9b3c2180, __a=...) at /usr/include/c++/9/bits/alloc_traits.h:483
#4 std::_Sp_counted_ptr_inplace<tinyrpc::Coroutine, std::allocatortinyrpc::Coroutine, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<int&, char*&, void (&)()> (__a=..., this=0x55ef9b3c2170)
at /usr/include/c++/9/bits/shared_ptr_base.h:548
#5 std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<tinyrpc::Coroutine, std::allocatortinyrpc::Coroutine, int&, char*&, void (&)()> (__a=..., __p=,
this=) at /usr/include/c++/9/bits/shared_ptr_base.h:679
#6 std::__shared_ptr<tinyrpc::Coroutine, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocatortinyrpc::Coroutine, int&, char*&, void (&)()> (__tag=..., this=)
at /usr/include/c++/9/bits/shared_ptr_base.h:1344
#7 std::shared_ptrtinyrpc::Coroutine::shared_ptr<std::allocatortinyrpc::Coroutine, int&, char*&, void (&)()> (__tag=..., this=) at /usr/include/c++/9/bits/shared_ptr.h:359
#8 std::allocate_shared<tinyrpc::Coroutine, std::allocatortinyrpc::Coroutine, int&, char*&, void (&)()> (__a=...) at /usr/include/c++/9/bits/shared_ptr.h:702
#9 std::make_shared<tinyrpc::Coroutine, int&, char*&, void (&)()> () at /usr/include/c++/9/bits/shared_ptr.h:718
#10 main (argc=, argv=) at testcases/test_coroutine.cc:44

[xiaozhang8tuo]

原因似乎是线程2中的t_main_coroutine没初始化

[xiaozhang8tuo]

请问可以向示例这样跨线程操作同一个协程嘛

[Gooddbird]

可以的，这里后面改了代码，忘记改用例了。协程是支持被不同线程调度的