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remove a bunch of unneeded memory allocations

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This commit is contained in:
Nuno Lopes 2022-02-25 14:32:20 +00:00
parent 7f149a36d7
commit 689e2d41de
7 changed files with 52 additions and 64 deletions
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75
src/util/scoped_timer.cpp
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@ -76,56 +76,45 @@ static void thread_func(scoped_timer_state *s) {
}
struct scoped_timer::imp {
private:
scoped_timer_state *s;
scoped_timer::scoped_timer(unsigned ms, event_handler * eh) {
if (ms == 0 || ms == UINT_MAX)
return;
public:
imp(unsigned ms, event_handler * eh) {
workers.lock();
bool new_worker = false;
if (available_workers.empty()) {
workers.unlock();
s = new scoped_timer_state;
new_worker = true;
++num_workers;
}
else {
s = available_workers.back();
available_workers.pop_back();
workers.unlock();
}
s->ms = ms;
s->eh = eh;
s->m_mutex.lock();
s->work = WORKING;
if (new_worker) {
s->m_thread = std::thread(thread_func, s);
}
else {
s->cv.notify_one();
}
workers.lock();
bool new_worker = false;
if (available_workers.empty()) {
workers.unlock();
s = new scoped_timer_state;
new_worker = true;
++num_workers;
}
~imp() {
s->m_mutex.unlock();
while (s->work == WORKING)
std::this_thread::yield();
workers.lock();
available_workers.push_back(s);
else {
s = available_workers.back();
available_workers.pop_back();
workers.unlock();
}
};
scoped_timer::scoped_timer(unsigned ms, event_handler * eh) {
if (ms != UINT_MAX && ms != 0)
m_imp = alloc(imp, ms, eh);
else
m_imp = nullptr;
s->ms = ms;
s->eh = eh;
s->m_mutex.lock();
s->work = WORKING;
if (new_worker) {
s->m_thread = std::thread(thread_func, s);
}
else {
s->cv.notify_one();
}
}
scoped_timer::~scoped_timer() {
dealloc(m_imp);
if (!s)
return;
s->m_mutex.unlock();
while (s->work == WORKING)
std::this_thread::yield();
workers.lock();
available_workers.push_back(s);
workers.unlock();
}
void scoped_timer::initialize() {