1 files changed, 22 insertions, 4 deletions
diff --git a/src/init.cpp b/src/init.cpp
index 490ed6f54..dc9080fec 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -39,7 +39,9 @@
 
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/replace.hpp>
+#include <boost/bind.hpp>
 #include <boost/filesystem.hpp>
+#include <boost/function.hpp>
 #include <boost/interprocess/sync/file_lock.hpp>
 #include <boost/thread.hpp>
 #include <openssl/crypto.h>
@@ -188,7 +190,11 @@ void Shutdown()
         pwalletMain->Flush(true);
 #endif
 #ifndef WIN32
-    boost::filesystem::remove(GetPidFile());
+    try {
+        boost::filesystem::remove(GetPidFile());
+    } catch (const boost::filesystem::filesystem_error& e) {
+        LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
+    }
 #endif
     UnregisterAllValidationInterfaces();
 #ifdef ENABLE_WALLET
@@ -863,9 +869,15 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
     boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
     FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
     if (file) fclose(file);
-    static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
-    if (!lock.try_lock())
-        return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running."), strDataDir));
+
+    try {
+        static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
+        if (!lock.try_lock())
+            return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running."), strDataDir));
+    } catch(const boost::interprocess::interprocess_exception& e) {
+        return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running.") + " %s.", strDataDir, e.what()));
+    }
+
 #ifndef WIN32
     CreatePidFile(GetPidFile(), getpid());
 #endif
@@ -1382,6 +1394,12 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
 
     StartNode(threadGroup, scheduler);
 
+    // Monitor the chain, and alert if we get blocks much quicker or slower than expected
+    int64_t nPowTargetSpacing = Params().GetConsensus().nPowTargetSpacing;
+    CScheduler::Function f = boost::bind(&PartitionCheck, &IsInitialBlockDownload,
+                                         boost::ref(cs_main), boost::cref(chainActive), nPowTargetSpacing);
+    scheduler.scheduleEvery(f, nPowTargetSpacing);
+
 #ifdef ENABLE_WALLET
     // Generate coins in the background
     if (pwalletMain)