1. How does one call Go code in C from threads that weren't created by Go?
  2. What do I assign to a C function pointer such that threads not created by Go can call that pointer and enter into Go code?

Update0

  • I don't want to use SWIG.
  • The callbacks will be coming from threads Go hasn't seen before. Neither cgo/life nor anything in pkg/runtime demonstrates this behaviour AFAICT.
c gcc callback go
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