Function TSHttpTxnReenable

src/api/InkAPI.cc:5026–5052

----------------------------------------------------------------------------

//----------------------------------------------------------------------------
void
TSHttpTxnReenable(TSHttpTxn txnp, TSEvent event)
{
  sdk_assert(sdk_sanity_check_txn(txnp) == TS_SUCCESS);

  HttpSM  *sm  = reinterpret_cast<HttpSM *>(txnp);
  EThread *eth = this_ethread();

  // TS-2271: If this function is being executed on a thread which was not
  // created using the ATS EThread API, eth will be null, and the
  // continuation needs to be called back on a REGULAR thread.
  //
  // If we are not coming from the thread associated with the state machine,
  // reschedule.  Also reschedule if we cannot get the state machine lock.
  if (eth != nullptr && sm->getThreadAffinity() == eth) {
    MUTEX_TRY_LOCK(trylock, sm->mutex, eth);
    if (trylock.is_locked()) {
      ink_assert(eth->is_event_type(ET_NET));
      sm->state_api_callback(static_cast<int>(event), nullptr);
      return;
    }
  }
  // Couldn't call the handler directly, schedule to the original SM thread
  TSHttpSMCallback *cb = new TSHttpSMCallback(sm, event);
  cb->setThreadAffinity(sm->getThreadAffinity());
  eventProcessor.schedule_imm(cb, ET_NET);
}

TSReturnCode TSUserArgIndexNameLookup(TSUserArgType type, const char *name, int *arg_idx, const char **description);