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-rw-r--r--src/bitcoind.cpp7
-rw-r--r--src/init.cpp12
-rw-r--r--src/init.h16
-rw-r--r--src/qt/bitcoin.cpp62
4 files changed, 67 insertions, 30 deletions
diff --git a/src/bitcoind.cpp b/src/bitcoind.cpp
index 374678310c..f3844e9d47 100644
--- a/src/bitcoind.cpp
+++ b/src/bitcoind.cpp
@@ -159,7 +159,12 @@ bool AppInit(int argc, char* argv[])
return false;
#endif // HAVE_DECL_DAEMON
}
-
+ // Lock data directory after daemonization
+ if (!AppInitLockDataDirectory())
+ {
+ // If locking the data directory failed, exit immediately
+ exit(EXIT_FAILURE);
+ }
fRet = AppInitMain(threadGroup, scheduler);
}
catch (const std::exception& e) {
diff --git a/src/init.cpp b/src/init.cpp
index 1e85642019..d9b98be739 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1170,13 +1170,13 @@ bool AppInitSanityChecks()
return InitError(strprintf(_("Initialization sanity check failed. %s is shutting down."), _(PACKAGE_NAME)));
// Probe the data directory lock to give an early error message, if possible
+ // We cannot hold the data directory lock here, as the forking for daemon() hasn't yet happened,
+ // and a fork will cause weird behavior to it.
return LockDataDirectory(true);
}
-bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
+bool AppInitLockDataDirectory()
{
- const CChainParams& chainparams = Params();
- // ********************************************************* Step 4a: application initialization
// After daemonization get the data directory lock again and hold on to it until exit
// This creates a slight window for a race condition to happen, however this condition is harmless: it
// will at most make us exit without printing a message to console.
@@ -1184,7 +1184,13 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
// Detailed error printed inside LockDataDirectory
return false;
}
+ return true;
+}
+bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler)
+{
+ const CChainParams& chainparams = Params();
+ // ********************************************************* Step 4a: application initialization
#ifndef WIN32
CreatePidFile(GetPidFile(), getpid());
#endif
diff --git a/src/init.h b/src/init.h
index 8222794374..a0a824738c 100644
--- a/src/init.h
+++ b/src/init.h
@@ -27,27 +27,33 @@ void InitLogging();
void InitParameterInteraction();
/** Initialize bitcoin core: Basic context setup.
- * @note This can be done before daemonization.
+ * @note This can be done before daemonization. Do not call Shutdown() if this function fails.
* @pre Parameters should be parsed and config file should be read.
*/
bool AppInitBasicSetup();
/**
* Initialization: parameter interaction.
- * @note This can be done before daemonization.
+ * @note This can be done before daemonization. Do not call Shutdown() if this function fails.
* @pre Parameters should be parsed and config file should be read, AppInitBasicSetup should have been called.
*/
bool AppInitParameterInteraction();
/**
* Initialization sanity checks: ecc init, sanity checks, dir lock.
- * @note This can be done before daemonization.
+ * @note This can be done before daemonization. Do not call Shutdown() if this function fails.
* @pre Parameters should be parsed and config file should be read, AppInitParameterInteraction should have been called.
*/
bool AppInitSanityChecks();
/**
- * Bitcoin core main initialization.
- * @note This should only be done after daemonization.
+ * Lock bitcoin core data directory.
+ * @note This should only be done after daemonization. Do not call Shutdown() if this function fails.
* @pre Parameters should be parsed and config file should be read, AppInitSanityChecks should have been called.
*/
+bool AppInitLockDataDirectory();
+/**
+ * Bitcoin core main initialization.
+ * @note This should only be done after daemonization. Call Shutdown() if this function fails.
+ * @pre Parameters should be parsed and config file should be read, AppInitLockDataDirectory should have been called.
+ */
bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler);
/** The help message mode determines what help message to show */
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 8a745cadce..4a4116c670 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -178,6 +178,10 @@ class BitcoinCore: public QObject
Q_OBJECT
public:
explicit BitcoinCore();
+ /** Basic initialization, before starting initialization/shutdown thread.
+ * Return true on success.
+ */
+ static bool baseInitialize();
public Q_SLOTS:
void initialize();
@@ -270,26 +274,32 @@ void BitcoinCore::handleRunawayException(const std::exception *e)
Q_EMIT runawayException(QString::fromStdString(GetWarnings("gui")));
}
+bool BitcoinCore::baseInitialize()
+{
+ if (!AppInitBasicSetup())
+ {
+ return false;
+ }
+ if (!AppInitParameterInteraction())
+ {
+ return false;
+ }
+ if (!AppInitSanityChecks())
+ {
+ return false;
+ }
+ if (!AppInitLockDataDirectory())
+ {
+ return false;
+ }
+ return true;
+}
+
void BitcoinCore::initialize()
{
try
{
qDebug() << __func__ << ": Running initialization in thread";
- if (!AppInitBasicSetup())
- {
- Q_EMIT initializeResult(false);
- return;
- }
- if (!AppInitParameterInteraction())
- {
- Q_EMIT initializeResult(false);
- return;
- }
- if (!AppInitSanityChecks())
- {
- Q_EMIT initializeResult(false);
- return;
- }
bool rv = AppInitMain(threadGroup, scheduler);
Q_EMIT initializeResult(rv);
} catch (const std::exception& e) {
@@ -689,16 +699,26 @@ int main(int argc, char *argv[])
if (GetBoolArg("-splash", DEFAULT_SPLASHSCREEN) && !GetBoolArg("-min", false))
app.createSplashScreen(networkStyle.data());
+ int rv = EXIT_SUCCESS;
try
{
app.createWindow(networkStyle.data());
- app.requestInitialize();
+ // Perform base initialization before spinning up initialization/shutdown thread
+ // This is acceptable because this function only contains steps that are quick to execute,
+ // so the GUI thread won't be held up.
+ if (BitcoinCore::baseInitialize()) {
+ app.requestInitialize();
#if defined(Q_OS_WIN) && QT_VERSION >= 0x050000
- WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("%1 didn't yet exit safely...").arg(QObject::tr(PACKAGE_NAME)), (HWND)app.getMainWinId());
+ WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("%1 didn't yet exit safely...").arg(QObject::tr(PACKAGE_NAME)), (HWND)app.getMainWinId());
#endif
- app.exec();
- app.requestShutdown();
- app.exec();
+ app.exec();
+ app.requestShutdown();
+ app.exec();
+ rv = app.getReturnValue();
+ } else {
+ // A dialog with detailed error will have been shown by InitError()
+ rv = EXIT_FAILURE;
+ }
} catch (const std::exception& e) {
PrintExceptionContinue(&e, "Runaway exception");
app.handleRunawayException(QString::fromStdString(GetWarnings("gui")));
@@ -706,6 +726,6 @@ int main(int argc, char *argv[])
PrintExceptionContinue(NULL, "Runaway exception");
app.handleRunawayException(QString::fromStdString(GetWarnings("gui")));
}
- return app.getReturnValue();
+ return rv;
}
#endif // BITCOIN_QT_TEST
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-13 07:28:42 +0000