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Version 1.1.0.0 update

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transcoder
2014-02-12 04:09:36 -07:00
parent 58decdbca7
commit f03acc635f
481 changed files with 156398 additions and 57772 deletions
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71
src/sync.h
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@@ -1,7 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Copyright (c) 2011-2012 Litecoin Developers
// Copyright (c) 2013 CasinoCoin Developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SYNC_H
@@ -11,15 +9,36 @@
#include <boost/thread/recursive_mutex.hpp>
#include <boost/thread/locks.hpp>
#include <boost/thread/condition_variable.hpp>
#include "threadsafety.h"
// Template mixin that adds -Wthread-safety locking annotations to a
// subset of the mutex API.
template <typename PARENT>
class LOCKABLE AnnotatedMixin : public PARENT
{
public:
void lock() EXCLUSIVE_LOCK_FUNCTION()
{
PARENT::lock();
}
void unlock() UNLOCK_FUNCTION()
{
PARENT::unlock();
}
bool try_lock() EXCLUSIVE_TRYLOCK_FUNCTION(true)
{
return PARENT::try_lock();
}
};
/** Wrapped boost mutex: supports recursive locking, but no waiting */
typedef boost::recursive_mutex CCriticalSection;
// TODO: We should move away from using the recursive lock by default.
typedef AnnotatedMixin<boost::recursive_mutex> CCriticalSection;
/** Wrapped boost mutex: supports waiting but not recursive locking */
typedef boost::mutex CWaitableCriticalSection;
typedef AnnotatedMixin<boost::mutex> CWaitableCriticalSection;
#ifdef DEBUG_LOCKORDER
void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs, bool fTry = false);
@@ -33,52 +52,37 @@ void static inline LeaveCritical() {}
void PrintLockContention(const char* pszName, const char* pszFile, int nLine);
#endif
/** Wrapper around boost::interprocess::scoped_lock */
/** Wrapper around boost::unique_lock<Mutex> */
template<typename Mutex>
class CMutexLock
{
private:
boost::unique_lock<Mutex> lock;
public:
void Enter(const char* pszName, const char* pszFile, int nLine)
{
if (!lock.owns_lock())
{
EnterCritical(pszName, pszFile, nLine, (void*)(lock.mutex()));
EnterCritical(pszName, pszFile, nLine, (void*)(lock.mutex()));
#ifdef DEBUG_LOCKCONTENTION
if (!lock.try_lock())
{
PrintLockContention(pszName, pszFile, nLine);
#endif
lock.lock();
#ifdef DEBUG_LOCKCONTENTION
}
#endif
}
}
void Leave()
{
if (lock.owns_lock())
if (!lock.try_lock())
{
lock.unlock();
LeaveCritical();
PrintLockContention(pszName, pszFile, nLine);
#endif
lock.lock();
#ifdef DEBUG_LOCKCONTENTION
}
#endif
}
bool TryEnter(const char* pszName, const char* pszFile, int nLine)
{
EnterCritical(pszName, pszFile, nLine, (void*)(lock.mutex()), true);
lock.try_lock();
if (!lock.owns_lock())
{
EnterCritical(pszName, pszFile, nLine, (void*)(lock.mutex()), true);
lock.try_lock();
if (!lock.owns_lock())
LeaveCritical();
}
LeaveCritical();
return lock.owns_lock();
}
public:
CMutexLock(Mutex& mutexIn, const char* pszName, const char* pszFile, int nLine, bool fTry = false) : lock(mutexIn, boost::defer_lock)
{
if (fTry)
@@ -97,11 +101,6 @@ public:
{
return lock.owns_lock();
}
boost::unique_lock<Mutex> &GetLock()
{
return lock;
}
};
typedef CMutexLock<CCriticalSection> CCriticalBlock;