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-rw-r--r--src/Makefile.am2
-rw-r--r--src/Makefile.test.include1
-rw-r--r--src/bitcoind.cpp3
-rw-r--r--src/httpserver.cpp11
-rw-r--r--src/init.cpp9
-rw-r--r--src/logging.cpp26
-rw-r--r--src/logging.h2
-rw-r--r--src/qt/bitcoin.cpp3
-rw-r--r--src/sync.cpp29
-rw-r--r--src/test/setup_common.cpp2
-rw-r--r--src/test/util_threadnames_tests.cpp73
-rw-r--r--src/util/system.cpp20
-rw-r--r--src/util/system.h6
-rw-r--r--src/util/threadnames.cpp57
-rw-r--r--src/util/threadnames.h21
-rw-r--r--src/validation.cpp5
-rw-r--r--src/validation.h2
17 files changed, 216 insertions, 56 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 4fe5898829..ed5cab7f04 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -209,6 +209,7 @@ BITCOIN_CORE_H = \
util/memory.h \
util/moneystr.h \
util/rbf.h \
+ util/threadnames.h \
util/time.h \
util/url.h \
util/validation.h \
@@ -489,6 +490,7 @@ libbitcoin_util_a_SOURCES = \
util/system.cpp \
util/moneystr.cpp \
util/rbf.cpp \
+ util/threadnames.cpp \
util/strencodings.cpp \
util/time.cpp \
util/url.cpp \
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index 692f8d97b3..1144ca8a78 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -138,6 +138,7 @@ BITCOIN_TESTS =\
test/skiplist_tests.cpp \
test/streams_tests.cpp \
test/sync_tests.cpp \
+ test/util_threadnames_tests.cpp \
test/timedata_tests.cpp \
test/torcontrol_tests.cpp \
test/transaction_tests.cpp \
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index dde75c1b12..b31f86cdd9 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -19,6 +19,7 @@
#include <util/system.h>
#include <httpserver.h>
#include <httprpc.h>
+#include <util/threadnames.h>
#include <util/strencodings.h>
#include <walletinitinterface.h>
@@ -64,6 +65,8 @@ static bool AppInit(int argc, char* argv[])
bool fRet = false;
+ util::ThreadRename("init");
+
//
// Parameters
//
diff --git a/src/httpserver.cpp b/src/httpserver.cpp
index 5d9c3d2c1a..63639fa3e0 100644
--- a/src/httpserver.cpp
+++ b/src/httpserver.cpp
@@ -6,6 +6,7 @@
#include <chainparamsbase.h>
#include <compat.h>
+#include <util/threadnames.h>
#include <util/system.h>
#include <util/strencodings.h>
#include <netbase.h>
@@ -17,7 +18,7 @@
#include <memory>
#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
+#include <string>
#include <sys/types.h>
#include <sys/stat.h>
@@ -284,7 +285,7 @@ static void http_reject_request_cb(struct evhttp_request* req, void*)
/** Event dispatcher thread */
static bool ThreadHTTP(struct event_base* base)
{
- RenameThread("bitcoin-http");
+ util::ThreadRename("http");
LogPrint(BCLog::HTTP, "Entering http event loop\n");
event_base_dispatch(base);
// Event loop will be interrupted by InterruptHTTPServer()
@@ -335,9 +336,9 @@ static bool HTTPBindAddresses(struct evhttp* http)
}
/** Simple wrapper to set thread name and run work queue */
-static void HTTPWorkQueueRun(WorkQueue<HTTPClosure>* queue)
+static void HTTPWorkQueueRun(WorkQueue<HTTPClosure>* queue, int worker_num)
{
- RenameThread("bitcoin-httpworker");
+ util::ThreadRename(strprintf("httpworker.%i", worker_num));
queue->Run();
}
@@ -430,7 +431,7 @@ void StartHTTPServer()
threadHTTP = std::thread(ThreadHTTP, eventBase);
for (int i = 0; i < rpcThreads; i++) {
- g_thread_http_workers.emplace_back(HTTPWorkQueueRun, workQueue);
+ g_thread_http_workers.emplace_back(HTTPWorkQueueRun, workQueue, i);
}
}
diff --git a/src/init.cpp b/src/init.cpp
index 8f0be3ebe9..2272624f8a 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -41,6 +41,7 @@
#include <script/sigcache.h>
#include <scheduler.h>
#include <shutdown.h>
+#include <util/threadnames.h>
#include <timedata.h>
#include <txdb.h>
#include <txmempool.h>
@@ -206,7 +207,7 @@ void Shutdown(InitInterfaces& interfaces)
/// for example if the data directory was found to be locked.
/// Be sure that anything that writes files or flushes caches only does this if the respective
/// module was initialized.
- RenameThread("bitcoin-shutoff");
+ util::ThreadRename("shutoff");
mempool.AddTransactionsUpdated(1);
StopHTTPRPC();
@@ -506,6 +507,7 @@ void SetupServerArgs()
gArgs.AddArg("-debugexclude=<category>", strprintf("Exclude debugging information for a category. Can be used in conjunction with -debug=1 to output debug logs for all categories except one or more specified categories."), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-logips", strprintf("Include IP addresses in debug output (default: %u)", DEFAULT_LOGIPS), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-logtimestamps", strprintf("Prepend debug output with timestamp (default: %u)", DEFAULT_LOGTIMESTAMPS), false, OptionsCategory::DEBUG_TEST);
+ gArgs.AddArg("-logthreadnames", strprintf("Prepend debug output with name of the originating thread (only available on platforms supporting thread_local) (default: %u)", DEFAULT_LOGTHREADNAMES), false, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS), true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)", true, OptionsCategory::DEBUG_TEST);
gArgs.AddArg("-maxsigcachesize=<n>", strprintf("Limit sum of signature cache and script execution cache sizes to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE), true, OptionsCategory::DEBUG_TEST);
@@ -666,7 +668,7 @@ static void CleanupBlockRevFiles()
static void ThreadImport(std::vector<fs::path> vImportFiles)
{
const CChainParams& chainparams = Params();
- RenameThread("bitcoin-loadblk");
+ util::ThreadRename("loadblk");
ScheduleBatchPriority();
{
@@ -862,6 +864,7 @@ void InitLogging()
LogInstance().m_print_to_console = gArgs.GetBoolArg("-printtoconsole", !gArgs.GetBoolArg("-daemon", false));
LogInstance().m_log_timestamps = gArgs.GetBoolArg("-logtimestamps", DEFAULT_LOGTIMESTAMPS);
LogInstance().m_log_time_micros = gArgs.GetBoolArg("-logtimemicros", DEFAULT_LOGTIMEMICROS);
+ LogInstance().m_log_threadnames = gArgs.GetBoolArg("-logthreadnames", DEFAULT_LOGTHREADNAMES);
fLogIPs = gArgs.GetBoolArg("-logips", DEFAULT_LOGIPS);
@@ -1286,7 +1289,7 @@ bool AppInitMain(InitInterfaces& interfaces)
LogPrintf("Using %u threads for script verification\n", nScriptCheckThreads);
if (nScriptCheckThreads) {
for (int i=0; i<nScriptCheckThreads-1; i++)
- threadGroup.create_thread(&ThreadScriptCheck);
+ threadGroup.create_thread([i]() { return ThreadScriptCheck(i); });
}
// Start the lightweight task scheduler thread
diff --git a/src/logging.cpp b/src/logging.cpp
index 36cad6573a..3eda4995db 100644
--- a/src/logging.cpp
+++ b/src/logging.cpp
@@ -4,8 +4,11 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <logging.h>
+#include <util/threadnames.h>
#include <util/time.h>
+#include <mutex>
+
const char * const DEFAULT_DEBUGLOGFILE = "debug.log";
BCLog::Logger& LogInstance()
@@ -174,7 +177,7 @@ std::vector<CLogCategoryActive> ListActiveLogCategories()
return ret;
}
-std::string BCLog::Logger::LogTimestampStr(const std::string &str)
+std::string BCLog::Logger::LogTimestampStr(const std::string& str)
{
std::string strStamped;
@@ -196,21 +199,24 @@ std::string BCLog::Logger::LogTimestampStr(const std::string &str)
} else
strStamped = str;
- if (!str.empty() && str[str.size()-1] == '\n')
- m_started_new_line = true;
- else
- m_started_new_line = false;
-
return strStamped;
}
void BCLog::Logger::LogPrintStr(const std::string &str)
{
- std::string strTimestamped = LogTimestampStr(str);
+ std::string str_prefixed = str;
+
+ if (m_log_threadnames && m_started_new_line) {
+ str_prefixed.insert(0, "[" + util::ThreadGetInternalName() + "] ");
+ }
+
+ str_prefixed = LogTimestampStr(str_prefixed);
+
+ m_started_new_line = !str.empty() && str[str.size()-1] == '\n';
if (m_print_to_console) {
// print to console
- fwrite(strTimestamped.data(), 1, strTimestamped.size(), stdout);
+ fwrite(str_prefixed.data(), 1, str_prefixed.size(), stdout);
fflush(stdout);
}
if (m_print_to_file) {
@@ -218,7 +224,7 @@ void BCLog::Logger::LogPrintStr(const std::string &str)
// buffer if we haven't opened the log yet
if (m_fileout == nullptr) {
- m_msgs_before_open.push_back(strTimestamped);
+ m_msgs_before_open.push_back(str_prefixed);
}
else
{
@@ -232,7 +238,7 @@ void BCLog::Logger::LogPrintStr(const std::string &str)
m_fileout = new_fileout;
}
}
- FileWriteStr(strTimestamped, m_fileout);
+ FileWriteStr(str_prefixed, m_fileout);
}
}
}
diff --git a/src/logging.h b/src/logging.h
index ac9d0dc0c7..e399d4c307 100644
--- a/src/logging.h
+++ b/src/logging.h
@@ -19,6 +19,7 @@
static const bool DEFAULT_LOGTIMEMICROS = false;
static const bool DEFAULT_LOGIPS = false;
static const bool DEFAULT_LOGTIMESTAMPS = true;
+static const bool DEFAULT_LOGTHREADNAMES = false;
extern const char * const DEFAULT_DEBUGLOGFILE;
extern bool fLogIPs;
@@ -81,6 +82,7 @@ namespace BCLog {
bool m_log_timestamps = DEFAULT_LOGTIMESTAMPS;
bool m_log_time_micros = DEFAULT_LOGTIMEMICROS;
+ bool m_log_threadnames = DEFAULT_LOGTHREADNAMES;
fs::path m_file_path;
std::atomic<bool> m_reopen_file{false};
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 1b063771ef..81255aaae9 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -30,6 +30,7 @@
#include <interfaces/handler.h>
#include <interfaces/node.h>
#include <noui.h>
+#include <util/threadnames.h>
#include <rpc/server.h>
#include <ui_interface.h>
#include <uint256.h>
@@ -149,6 +150,7 @@ void BitcoinCore::initialize()
try
{
qDebug() << __func__ << ": Running initialization in thread";
+ util::ThreadRename("qt-init");
bool rv = m_node.appInitMain();
Q_EMIT initializeResult(rv);
} catch (const std::exception& e) {
@@ -423,6 +425,7 @@ int GuiMain(int argc, char* argv[])
std::tie(argc, argv) = winArgs.get();
#endif
SetupEnvironment();
+ util::ThreadRename("main");
std::unique_ptr<interfaces::Node> node = interfaces::MakeNode();
diff --git a/src/sync.cpp b/src/sync.cpp
index 23ca866e53..e7c0a6f9bc 100644
--- a/src/sync.cpp
+++ b/src/sync.cpp
@@ -3,9 +3,11 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <sync.h>
+#include <tinyformat.h>
#include <logging.h>
#include <util/strencodings.h>
+#include <util/threadnames.h>
#include <stdio.h>
@@ -37,23 +39,30 @@ void PrintLockContention(const char* pszName, const char* pszFile, int nLine)
//
struct CLockLocation {
- CLockLocation(const char* pszName, const char* pszFile, int nLine, bool fTryIn)
- {
- mutexName = pszName;
- sourceFile = pszFile;
- sourceLine = nLine;
- fTry = fTryIn;
- }
+ CLockLocation(
+ const char* pszName,
+ const char* pszFile,
+ int nLine,
+ bool fTryIn,
+ const std::string& thread_name)
+ : fTry(fTryIn),
+ mutexName(pszName),
+ sourceFile(pszFile),
+ m_thread_name(thread_name),
+ sourceLine(nLine) {}
std::string ToString() const
{
- return mutexName + " " + sourceFile + ":" + itostr(sourceLine) + (fTry ? " (TRY)" : "");
+ return tfm::format(
+ "%s %s:%s%s (in thread %s)",
+ mutexName, sourceFile, itostr(sourceLine), (fTry ? " (TRY)" : ""), m_thread_name);
}
private:
bool fTry;
std::string mutexName;
std::string sourceFile;
+ const std::string& m_thread_name;
int sourceLine;
};
@@ -125,7 +134,7 @@ static void push_lock(void* c, const CLockLocation& locklocation)
std::pair<void*, void*> p1 = std::make_pair(i.first, c);
if (lockdata.lockorders.count(p1))
continue;
- lockdata.lockorders[p1] = g_lockstack;
+ lockdata.lockorders.emplace(p1, g_lockstack);
std::pair<void*, void*> p2 = std::make_pair(c, i.first);
lockdata.invlockorders.insert(p2);
@@ -141,7 +150,7 @@ static void pop_lock()
void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry)
{
- push_lock(cs, CLockLocation(pszName, pszFile, nLine, fTry));
+ push_lock(cs, CLockLocation(pszName, pszFile, nLine, fTry, util::ThreadGetInternalName()));
}
void LeaveCritical()
diff --git a/src/test/setup_common.cpp b/src/test/setup_common.cpp
index 29633cc7bf..6b671b2400 100644
--- a/src/test/setup_common.cpp
+++ b/src/test/setup_common.cpp
@@ -94,7 +94,7 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
nScriptCheckThreads = 3;
for (int i = 0; i < nScriptCheckThreads - 1; i++)
- threadGroup.create_thread(&ThreadScriptCheck);
+ threadGroup.create_thread([i]() { return ThreadScriptCheck(i); });
g_banman = MakeUnique<BanMan>(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
g_connman = MakeUnique<CConnman>(0x1337, 0x1337); // Deterministic randomness for tests.
diff --git a/src/test/util_threadnames_tests.cpp b/src/test/util_threadnames_tests.cpp
new file mode 100644
index 0000000000..71c0168ca3
--- /dev/null
+++ b/src/test/util_threadnames_tests.cpp
@@ -0,0 +1,73 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <util/threadnames.h>
+#include <test/setup_common.h>
+
+#include <thread>
+#include <vector>
+#include <set>
+#include <mutex>
+
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_FIXTURE_TEST_SUITE(util_threadnames_tests, BasicTestingSetup)
+
+const std::string TEST_THREAD_NAME_BASE = "test_thread.";
+
+/**
+ * Run a bunch of threads to all call util::ThreadRename.
+ *
+ * @return the set of name each thread has after attempted renaming.
+ */
+std::set<std::string> RenameEnMasse(int num_threads)
+{
+ std::vector<std::thread> threads;
+ std::set<std::string> names;
+ std::mutex lock;
+
+ auto RenameThisThread = [&](int i) {
+ util::ThreadRename(TEST_THREAD_NAME_BASE + std::to_string(i));
+ std::lock_guard<std::mutex> guard(lock);
+ names.insert(util::ThreadGetInternalName());
+ };
+
+ for (int i = 0; i < num_threads; ++i) {
+ threads.push_back(std::thread(RenameThisThread, i));
+ }
+
+ for (std::thread& thread : threads) thread.join();
+
+ return names;
+}
+
+/**
+ * Rename a bunch of threads with the same basename (expect_multiple=true), ensuring suffixes are
+ * applied properly.
+ */
+BOOST_AUTO_TEST_CASE(util_threadnames_test_rename_threaded)
+{
+ BOOST_CHECK_EQUAL(util::ThreadGetInternalName(), "");
+
+#if !defined(HAVE_THREAD_LOCAL)
+ // This test doesn't apply to platforms where we don't have thread_local.
+ return;
+#endif
+
+ std::set<std::string> names = RenameEnMasse(100);
+
+ BOOST_CHECK_EQUAL(names.size(), 100);
+
+ // Names "test_thread.[n]" should exist for n = [0, 99]
+ for (int i = 0; i < 100; ++i) {
+ BOOST_CHECK(names.find(TEST_THREAD_NAME_BASE + std::to_string(i)) != names.end());
+ }
+
+}
+
+BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/util/system.cpp b/src/util/system.cpp
index 9594dd81bf..efd35bed55 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -60,10 +60,6 @@
#include <shlobj.h>
#endif
-#ifdef HAVE_SYS_PRCTL_H
-#include <sys/prctl.h>
-#endif
-
#ifdef HAVE_MALLOPT_ARENA_MAX
#include <malloc.h>
#endif
@@ -1137,22 +1133,6 @@ void runCommand(const std::string& strCommand)
LogPrintf("runCommand error: system(%s) returned %d\n", strCommand, nErr);
}
-void RenameThread(const char* name)
-{
-#if defined(PR_SET_NAME)
- // Only the first 15 characters are used (16 - NUL terminator)
- ::prctl(PR_SET_NAME, name, 0, 0, 0);
-#elif (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__))
- pthread_set_name_np(pthread_self(), name);
-
-#elif defined(MAC_OSX)
- pthread_setname_np(name);
-#else
- // Prevent warnings for unused parameters...
- (void)name;
-#endif
-}
-
void SetupEnvironment()
{
#ifdef HAVE_MALLOPT_ARENA_MAX
diff --git a/src/util/system.h b/src/util/system.h
index 54eb88e261..1a83cb67b1 100644
--- a/src/util/system.h
+++ b/src/util/system.h
@@ -20,6 +20,7 @@
#include <fs.h>
#include <logging.h>
#include <sync.h>
+#include <util/threadnames.h>
#include <tinyformat.h>
#include <util/memory.h>
#include <util/time.h>
@@ -325,15 +326,12 @@ std::string HelpMessageOpt(const std::string& option, const std::string& message
*/
int GetNumCores();
-void RenameThread(const char* name);
-
/**
* .. and a wrapper that just calls func once
*/
template <typename Callable> void TraceThread(const char* name, Callable func)
{
- std::string s = strprintf("bitcoin-%s", name);
- RenameThread(s.c_str());
+ util::ThreadRename(name);
try
{
LogPrintf("%s thread start\n", name);
diff --git a/src/util/threadnames.cpp b/src/util/threadnames.cpp
new file mode 100644
index 0000000000..7b0d744aec
--- /dev/null
+++ b/src/util/threadnames.cpp
@@ -0,0 +1,57 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#if defined(HAVE_CONFIG_H)
+#include <config/bitcoin-config.h>
+#endif
+
+#include <atomic>
+#include <thread>
+
+#include <util/threadnames.h>
+
+#ifdef HAVE_SYS_PRCTL_H
+#include <sys/prctl.h> // For prctl, PR_SET_NAME, PR_GET_NAME
+#endif
+
+//! Set the thread's name at the process level. Does not affect the
+//! internal name.
+static void SetThreadName(const char* name)
+{
+#if defined(PR_SET_NAME)
+ // Only the first 15 characters are used (16 - NUL terminator)
+ ::prctl(PR_SET_NAME, name, 0, 0, 0);
+#elif (defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__))
+ pthread_set_name_np(pthread_self(), name);
+#elif defined(MAC_OSX)
+ pthread_setname_np(name);
+#else
+ // Prevent warnings for unused parameters...
+ (void)name;
+#endif
+}
+
+// If we have thread_local, just keep thread ID and name in a thread_local
+// global.
+#if defined(HAVE_THREAD_LOCAL)
+
+static thread_local std::string g_thread_name;
+const std::string& util::ThreadGetInternalName() { return g_thread_name; }
+//! Set the in-memory internal name for this thread. Does not affect the process
+//! name.
+static void SetInternalName(std::string name) { g_thread_name = std::move(name); }
+
+// Without thread_local available, don't handle internal name at all.
+#else
+
+static const std::string empty_string;
+const std::string& util::ThreadGetInternalName() { return empty_string; }
+static void SetInternalName(std::string name) { }
+#endif
+
+void util::ThreadRename(std::string&& name)
+{
+ SetThreadName(("bitcoin-" + name).c_str());
+ SetInternalName(std::move(name));
+}
diff --git a/src/util/threadnames.h b/src/util/threadnames.h
new file mode 100644
index 0000000000..aaf07b9bf8
--- /dev/null
+++ b/src/util/threadnames.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_UTIL_THREADNAMES_H
+#define BITCOIN_UTIL_THREADNAMES_H
+
+#include <string>
+
+namespace util {
+//! Rename a thread both in terms of an internal (in-memory) name as well
+//! as its system thread name.
+void ThreadRename(std::string&&);
+
+//! Get the thread's internal (in-memory) name; used e.g. for identification in
+//! logging.
+const std::string& ThreadGetInternalName();
+
+} // namespace util
+
+#endif // BITCOIN_UTIL_THREADNAMES_H
diff --git a/src/validation.cpp b/src/validation.cpp
index c0b3243c8d..d8c8e638ce 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -48,6 +48,7 @@
#include <future>
#include <sstream>
+#include <string>
#include <boost/algorithm/string/replace.hpp>
#include <boost/thread.hpp>
@@ -1669,8 +1670,8 @@ 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();
}
diff --git a/src/validation.h b/src/validation.h
index ef8fff19ac..61a7a270fc 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -247,7 +247,7 @@ bool LoadChainTip(const CChainParams& chainparams) EXCLUSIVE_LOCKS_REQUIRED(cs_m
/** Unload database information */
void UnloadBlockIndex();
/** Run an instance of the script checking thread */
-void ThreadScriptCheck();
+void ThreadScriptCheck(int worker_num);
/** Check whether we are doing an initial block download (synchronizing from disk or network) */
bool IsInitialBlockDownload();
/** Retrieve a transaction (from memory pool, or from disk, if possible) */