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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "IsThread.h"
////////////////////////////////////////////////////////////////////////////////
// cCriticalSection:
cCriticalSection::cCriticalSection()
{
#ifdef _WIN32
InitializeCriticalSection(&m_CriticalSection);
#else
pthread_mutexattr_init(&m_Attributes);
pthread_mutexattr_settype(&m_Attributes, PTHREAD_MUTEX_RECURSIVE);
if (pthread_mutex_init(&m_CriticalSection, &m_Attributes) != 0)
{
LOGERROR("Could not initialize Critical Section!");
}
#endif
#ifdef _DEBUG
m_IsLocked = 0;
#endif // _DEBUG
}
cCriticalSection::~cCriticalSection()
{
#ifdef _WIN32
DeleteCriticalSection(&m_CriticalSection);
#else
if (pthread_mutex_destroy(&m_CriticalSection) != 0)
{
LOGWARNING("Could not destroy Critical Section!");
}
pthread_mutexattr_destroy(&m_Attributes);
#endif
}
void cCriticalSection::Lock()
{
#ifdef _WIN32
EnterCriticalSection(&m_CriticalSection);
#else
pthread_mutex_lock(&m_CriticalSection);
#endif
#ifdef _DEBUG
m_IsLocked += 1;
m_OwningThreadID = std::this_thread::get_id();
#endif // _DEBUG
}
void cCriticalSection::Unlock()
{
#ifdef _DEBUG
ASSERT(m_IsLocked > 0);
m_IsLocked -= 1;
#endif // _DEBUG
#ifdef _WIN32
LeaveCriticalSection(&m_CriticalSection);
#else
pthread_mutex_unlock(&m_CriticalSection);
#endif
}
#ifdef _DEBUG
bool cCriticalSection::IsLocked(void)
{
return (m_IsLocked > 0);
}
bool cCriticalSection::IsLockedByCurrentThread(void)
{
return ((m_IsLocked > 0) && (m_OwningThreadID == std::this_thread::get_id()));
}
#endif // _DEBUG
////////////////////////////////////////////////////////////////////////////////
// cCSLock
cCSLock::cCSLock(cCriticalSection * a_CS)
: m_CS(a_CS)
, m_IsLocked(false)
{
Lock();
}
cCSLock::cCSLock(cCriticalSection & a_CS)
: m_CS(&a_CS)
, m_IsLocked(false)
{
Lock();
}
cCSLock::~cCSLock()
{
if (!m_IsLocked)
{
return;
}
Unlock();
}
void cCSLock::Lock(void)
{
ASSERT(!m_IsLocked);
m_IsLocked = true;
m_CS->Lock();
}
void cCSLock::Unlock(void)
{
ASSERT(m_IsLocked);
m_IsLocked = false;
m_CS->Unlock();
}
////////////////////////////////////////////////////////////////////////////////
// cCSUnlock:
cCSUnlock::cCSUnlock(cCSLock & a_Lock) :
m_Lock(a_Lock)
{
m_Lock.Unlock();
}
cCSUnlock::~cCSUnlock()
{
m_Lock.Lock();
}
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