Files
pvData/pvDataApp/misc/localStaticLock.cpp
2013-11-20 13:04:28 +01:00

41 lines
935 B
C++

/* localStaticLock.cpp */
/**
* Copyright - See the COPYRIGHT that is included with this distribution.
* EPICS pvData is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*/
/**
* @author mse
*/
#define epicsExportSharedSymbols
#include <pv/localStaticLock.h>
static int nifty_counter;
static epics::pvData::Mutex* g_localStaticInitMutex;
epics::pvData::Mutex& getLocalStaticInitMutex()
{
return *g_localStaticInitMutex;
}
// The counter is initialized at load-time, i.e., before any of the static objects are initialized.
MutexInitializer::MutexInitializer ()
{
if (0 == nifty_counter++)
{
// Initialize static members.
g_localStaticInitMutex = new epics::pvData::Mutex();
}
}
MutexInitializer::~MutexInitializer ()
{
if (0 == --nifty_counter)
{
// Clean-up.
delete g_localStaticInitMutex;
}
}