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Merge pull request #2004 from alexanderkjeldaas/simplify-cmutexlock

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Simplify CMutexLock
This commit is contained in:
Pieter Wuille 2012-11-24 13:55:00 -08:00
commit 3ed1ccb089
1 changed files with 11 additions and 31 deletions
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42
src/sync.h
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@ -37,46 +37,31 @@ 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)
@ -95,11 +80,6 @@ public:
{
return lock.owns_lock();
}
boost::unique_lock<Mutex> &GetLock()
{
return lock;
}
};
typedef CMutexLock<CCriticalSection> CCriticalBlock;