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Merge #18710: Add local thread pool to CCheckQueue

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bb6fcc75d1 refactor: Drop boost::thread stuff in CCheckQueue (Hennadii Stepanov)
6784ac471b bench: Use CCheckQueue local thread pool (Hennadii Stepanov)
dba30695fc test: Use CCheckQueue local thread pool (Hennadii Stepanov)
01511776ac Add local thread pool to CCheckQueue (Hennadii Stepanov)
0ef938685b refactor: Use member initializers in CCheckQueue (Hennadii Stepanov)

Pull request description:

  This PR:
  - gets rid of `boost::thread_group` in the `CCheckQueue` class
  - allows thread safety annotation usage in the `CCheckQueue` class
  - is alternative to #14464 (https://github.com/bitcoin/bitcoin/pull/18710#issuecomment-616618525, https://github.com/bitcoin/bitcoin/pull/18710#issuecomment-617291612)

  Also, with this PR (I hope) it could be easier to resurrect a bunch of brilliant ideas from #9938.

  Related: #17307

ACKs for top commit:
  laanwj:
    Code review ACK bb6fcc75d1
  LarryRuane:
    ACK bb6fcc75d1
  jonatack:
    Code review ACK bb6fcc75d1 and verified rebase to master builds cleanly with unit/functional tests green

Tree-SHA512: fddeb720d5a391b48bb4c6fa58ed34ccc3f57862fdb8e641745c021841c8340e35c5126338271446cbd98f40bd5484f27926aa6c3e76fa478ba1efafe72e73c1
This commit is contained in:
Wladimir J. van der Laan
2021-01-25 13:35:12 +01:00
parent d0852f39a7 bb6fcc75d1
commit b386d37360
9 changed files with 98 additions and 97 deletions
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5
src/init.cpp
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@@ -223,6 +223,7 @@ void Shutdown(NodeContext& node)
if (g_load_block.joinable()) g_load_block.join();
threadGroup.interrupt_all();
threadGroup.join_all();
StopScriptCheckWorkerThreads();
// After the threads that potentially access these pointers have been stopped,
// destruct and reset all to nullptr.
@@ -1334,9 +1335,7 @@ bool AppInitMain(const util::Ref& context, NodeContext& node, interfaces::BlockA
LogPrintf("Script verification uses %d additional threads\n", script_threads);
if (script_threads >= 1) {
g_parallel_script_checks = true;
for (int i = 0; i < script_threads; ++i) {
threadGroup.create_thread([i]() { return ThreadScriptCheck(i); });
}
StartScriptCheckWorkerThreads(script_threads);
}
assert(!node.scheduler);