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Merge bitcoin/bitcoin#26762: bugfix: Make CCheckQueue RAII-styled (attempt 2)

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5b3ea5fa2e refactor: Move `{MAX,DEFAULT}_SCRIPTCHECK_THREADS` constants (Hennadii Stepanov)
6e17b31680 refactor: Make `CCheckQueue` non-copyable and non-movable explicitly (Hennadii Stepanov)
8111e74653 refactor: Drop unneeded declaration (Hennadii Stepanov)
9cf89f7a5b refactor: Make `CCheckQueue` constructor start worker threads (Hennadii Stepanov)
d03eaacbcf Make `CCheckQueue` destructor stop worker threads (Hennadii Stepanov)
be4ff3060b Move global `scriptcheckqueue` into `ChainstateManager` class (Hennadii Stepanov)

Pull request description:

  This PR:
  - makes `CCheckQueue` RAII-styled
  - gets rid of the global `scriptcheckqueue`
  - fixes https://github.com/bitcoin/bitcoin/issues/25448

  The previous attempt was in https://github.com/bitcoin/bitcoin/pull/18731.

ACKs for top commit:
  martinus:
    ACK 5b3ea5fa2e
  achow101:
    ACK 5b3ea5fa2e
  TheCharlatan:
    ACK 5b3ea5fa2e

Tree-SHA512: 45cca846e7ed107e3930149f0b616ddbaf2648d6cde381f815331b861b5d67ab39e154883ae174b8abb1dae485bc904318c50c51e5d6b46923d89de51c5eadb0
This commit is contained in:
Andrew Chow
2023-11-30 14:17:29 -05:00
parent ffb021612b 5b3ea5fa2e
commit 498994b6f5
15 changed files with 62 additions and 110 deletions
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21
src/init.cpp
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@@ -268,10 +268,9 @@ void Shutdown(NodeContext& node)
StopTorControl();
// After everything has been shut down, but before things get flushed, stop the
// CScheduler/checkqueue, scheduler and load block thread.
// scheduler and load block thread.
if (node.scheduler) node.scheduler->stop();
if (node.chainman && node.chainman->m_thread_load.joinable()) node.chainman->m_thread_load.join();
StopScriptCheckWorkerThreads();
// After the threads that potentially access these pointers have been stopped,
// destruct and reset all to nullptr.
@@ -1114,24 +1113,6 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
return InitError(strprintf(_("Unable to allocate memory for -maxsigcachesize: '%s' MiB"), args.GetIntArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_BYTES >> 20)));
}
int script_threads = args.GetIntArg("-par", DEFAULT_SCRIPTCHECK_THREADS);
if (script_threads <= 0) {
// -par=0 means autodetect (number of cores - 1 script threads)
// -par=-n means "leave n cores free" (number of cores - n - 1 script threads)
script_threads += GetNumCores();
}
// Subtract 1 because the main thread counts towards the par threads
script_threads = std::max(script_threads - 1, 0);
// Number of script-checking threads <= MAX_SCRIPTCHECK_THREADS
script_threads = std::min(script_threads, MAX_SCRIPTCHECK_THREADS);
LogPrintf("Script verification uses %d additional threads\n", script_threads);
if (script_threads >= 1) {
StartScriptCheckWorkerThreads(script_threads);
}
assert(!node.scheduler);
node.scheduler = std::make_unique<CScheduler>();