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threads: introduce util/threadnames, refactor thread naming

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This work is prerequisite to attaching thread names to log lines and deadlock
debug utilities. This code allows setting of an "internal" threadname per
thread on platforms where thread_local is available.

This commit also moves RenameThread() out of a more general module and adds a
numeric suffix to disambiguate between threads with the same name. It
explicitly names a few main threads using the new util::ThreadRename().
This commit is contained in:
James O'Beirne 2018-06-13 14:50:59 -04:00
parent 188ca75e5f
commit ae5f2b6a6c
12 changed files with 103 additions and 36 deletions
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5
src/validation.cpp
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@ -48,6 +48,7 @@
#include <future>
#include <sstream>
#include <string>
#include <boost/algorithm/string/replace.hpp>
#include <boost/thread.hpp>
@ -1654,8 +1655,8 @@ static bool WriteUndoDataForBlock(const CBlockUndo& blockundo, CValidationState&
static CCheckQueue<CScriptCheck> scriptcheckqueue(128);
void ThreadScriptCheck() {
RenameThread("bitcoin-scriptch");
void ThreadScriptCheck(int worker_num) {
util::ThreadRename(strprintf("scriptch.%i", worker_num));
scriptcheckqueue.Thread();
}