DjVuDebug&
DjVuDebug::lock(int lvl, int noindent)
{
int threads_num=1;
debug_lock.lock();
// Get per-thread debug object
long threadid = (long) GThread::current();
DjVuDebug &dbg = debug_map()[threadid];
threads_num=debug_map().size();
// Check level
dbg.block = (lvl > debug_level);
// Output thread id and indentation
if (! noindent)
{
if (threads_num>1)
dbg.format("[T%d] ", dbg.id);
int ind = dbg.indent;
char buffer[257];
memset(buffer,' ', sizeof(buffer)-1);
buffer[sizeof(buffer)-1] = 0;
while (ind > (int)sizeof(buffer)-1)
{
dbg.format("%s", buffer);
ind -= sizeof(buffer)-1;
}
if (ind > 0)
{
buffer[ind] = 0;
dbg.format("%s", buffer);
}
}
// Return
return dbg;
}
GPBase&
GPBase::assign (const GPBase &sptr)
{
gcsCounter.lock();
if (sptr.ptr)
{
sptr.ptr->count++;
}
if (ptr)
{
GPEnabled *old = ptr;
ptr = sptr.ptr;
if (! --old->count)
old->count = -1;
gcsCounter.unlock();
if (old->count < 0)
old->destroy();
}
else
{
ptr = sptr.ptr;
gcsCounter.unlock();
}
return *this;
}
GPBase&
GPBase::assign (GPEnabled *nptr)
{
gcsCounter.lock();
if (nptr)
{
if (nptr->count >= 0)
nptr->count++;
else
nptr = 0;
}
if (ptr)
{
GPEnabled *old = ptr;
ptr = nptr;
if (! --old->count)
old->count = -1;
gcsCounter.unlock();
if (old->count < 0)
old->destroy();
}
else
{
ptr = nptr;
gcsCounter.unlock();
}
return *this;
}
void
GPEnabled::ref()
{
gcsCounter.lock();
count++;
gcsCounter.unlock();
}
void
GPEnabled::unref()
{
gcsCounter.lock();
if (! --count)
count = -1;
gcsCounter.unlock();
if (count < 0)
destroy();
}