From 5cf15b3f4e4b027827f5faf7348864247bd4c91b Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Wed, 28 Nov 2012 20:49:07 -0800
Subject: [PATCH] Shutdown cleanly on control-C.

---
 src/cpp/ripple/Application.cpp     | 16 ++++++++++++++++
 src/cpp/ripple/LedgerConsensus.cpp |  8 ++++++++
 2 files changed, 24 insertions(+)

diff --git a/src/cpp/ripple/Application.cpp b/src/cpp/ripple/Application.cpp
index 7a4bfadef1..61b6005a2d 100644
--- a/src/cpp/ripple/Application.cpp
+++ b/src/cpp/ripple/Application.cpp
@@ -71,8 +71,24 @@ static void InitDB(DatabaseCon** dbCon, const char *fileName, const char *dbInit
 	*dbCon = new DatabaseCon(fileName, dbInit, dbCount);
 }
 
+volatile bool doShutdown = false;
+
+#ifdef SIGINT
+void sigIntHandler(int)
+{
+	doShutdown = true;
+}
+#endif
+
 void Application::run()
 {
+#ifdef SIGINT
+	struct sigaction sa;
+	memset(&sa, 0, sizeof(sa));
+	sa.sa_handler = sigIntHandler;
+	sigaction(SIGINT, &sa, NULL);
+#endif
+
 	assert(mTxnDB == NULL);
 	if (!theConfig.DEBUG_LOGFILE.empty())
 	{ // Let DEBUG messages go to the file but only WARNING or higher to regular output (unless verbose)
diff --git a/src/cpp/ripple/LedgerConsensus.cpp b/src/cpp/ripple/LedgerConsensus.cpp
index e3e867d90a..7401461e86 100644
--- a/src/cpp/ripple/LedgerConsensus.cpp
+++ b/src/cpp/ripple/LedgerConsensus.cpp
@@ -644,8 +644,16 @@ void LedgerConsensus::stateAccepted()
 	endConsensus();
 }
 
+extern volatile bool doShutdown;
+
 void LedgerConsensus::timerEntry()
 {
+	if (doShutdown)
+	{
+		cLog(lsFATAL) << "Shutdown requested";
+		theApp->stop();
+	}
+
 	if ((mState != lcsFINISHED) && (mState != lcsACCEPTED))
 		checkLCL();