void Core::Suspend()
{
auto tid = this_thread::get_id();
// If recursive, just increment the count
{
lock_guard<mutex> lock(d->AccessMutex);
if (d->df_suspend_depth > 0 && d->df_suspend_thread == tid)
{
d->df_suspend_depth++;
return;
}
}
// put the condition on a stack
Core::Cond *nc = new Core::Cond();
{
lock_guard<mutex> lock2(d->StackMutex);
d->suspended_tools.push(nc);
}
// wait until Core::Update() wakes up the tool
{
lock_guard<mutex> lock(d->AccessMutex);
nc->Lock(&d->AccessMutex);
assert(d->df_suspend_depth == 0);
d->df_suspend_thread = tid;
d->df_suspend_depth = 1;
}
}
void Core::Suspend()
{
Core::Cond * nc = new Core::Cond();
// put the condition on a stack
StackMutex->lock();
suspended_tools.push(nc);
StackMutex->unlock();
// wait until Core::Update() wakes up the tool
AccessMutex->lock();
nc->Lock(AccessMutex);
AccessMutex->unlock();
}