-#if HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT
- const void* asan_stack_ = nullptr;
- size_t asan_stack_size_ = 0;
- UContext* asan_ctx_ = nullptr;
- bool asan_stop_ = false;
-#endif
-
- static void smx_ctx_sysv_wrapper(int, int);
- static void make_ctx(ucontext_t* ucp, void (*func)(int, int), UContext* arg);