1 files changed, 15 insertions, 2 deletions
diff --git a/src/util.h b/src/util.h
index 08de43d29f..c7d1600b4e 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,5 +1,5 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2016 The Bitcoin Core developers
+// Copyright (c) 2009-2017 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -36,6 +36,7 @@ int64_t GetStartupTime();
 static const bool DEFAULT_LOGTIMEMICROS = false;
 static const bool DEFAULT_LOGIPS        = false;
 static const bool DEFAULT_LOGTIMESTAMPS = true;
+extern const char * const DEFAULT_DEBUGLOGFILE;
 
 /** Signals for translation. */
 class CTranslationInterface
@@ -133,6 +134,10 @@ template<typename T, typename... Args> static inline void MarkUsed(const T& t, c
     MarkUsed(args...);
 }
 
+// Be conservative when using LogPrintf/error or other things which
+// unconditionally log to debug.log! It should not be the case that an inbound
+// peer can fill up a users disk with debug.log entries.
+
 #ifdef USE_COVERAGE
 #define LogPrintf(...) do { MarkUsed(__VA_ARGS__); } while(0)
 #define LogPrint(category, ...) do { MarkUsed(__VA_ARGS__); } while(0)
@@ -168,6 +173,13 @@ bool TruncateFile(FILE *file, unsigned int length);
 int RaiseFileDescriptorLimit(int nMinFD);
 void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length);
 bool RenameOver(fs::path src, fs::path dest);
+bool LockDirectory(const fs::path& directory, const std::string lockfile_name, bool probe_only=false);
+
+/** Release all directory locks. This is used for unit testing only, at runtime
+ * the global destructor will take care of the locks.
+ */
+void ReleaseDirectoryLocks();
+
 bool TryCreateDirectories(const fs::path& p);
 fs::path GetDefaultDataDir();
 const fs::path &GetDataDir(bool fNetSpecific = true);
@@ -180,7 +192,8 @@ void CreatePidFile(const fs::path &path, pid_t pid);
 #ifdef WIN32
 fs::path GetSpecialFolderPath(int nFolder, bool fCreate = true);
 #endif
-void OpenDebugLog();
+fs::path GetDebugLogPath();
+bool OpenDebugLog();
 void ShrinkDebugFile();
 void runCommand(const std::string& strCommand);