Merge #13894: shutdown: Stop threads before resetting ptrs

faab63111d8f27335aa1f09c1a48da3be45135de shutdown: Stop threads before resetting ptrs (MarcoFalke)

Pull request description:

  On shutdown some threads would continue to run after or during a pointer reset. This leads to occasional segfaults on shutdown.

  Fix this by resetting the smart pointers after all threads that might read from them have been stopped.

  This should fix:
  * A segfault in the txindex thread, that occurs when the txindex destructor is done, but the thread was not yet stopped (as this is done in the base index destructor)
  * A segfault in the scheduler thread, which dereferences conman. (e.g. CheckForStaleTipAndEvictPeers)

Tree-SHA512: abbcf67fadd088e10fe8c384fadfb90bb115d5317145ccb5363603583b320efc18131e46384f55a9bc574969013dfcbd08c49e0d42c004ed7212eca193858ab2

0 files changed, 0 insertions, 0 deletions