virtual void finish(error_code code, http::status status) {
m_message_accum.error_code = code;
m_message_accum.error_string = error_buffer;
m_message_accum.status = status;
// call the receive callback a last time with the final
// error code
if(m_on_receive) {
assert(m_message_accum.body.empty());
m_on_receive(m_message_accum, progress());
}
m_send_file.reset();
m_receive_file.reset();
// set the final message data so it can be retrieved
// with the message-future object in the response object
m_message_promise.set_value(std::move(m_message_accum));
// call an optional continuation callback for this request
if(m_on_finish) {
m_on_finish();
}
// mark this request as finished
finished_promise.set_value();
}
void op() // GB was operator
{
try {
promise.set_value(f());
} catch(...) {
promise.set_exception(std::current_exception());
}
}
std::future<int> doit()
{
BARK();
auto cb = [&](const boost::system::error_code&) {
std::cout << "CB!\n";
prom.set_value(13);
};
dt.async_wait(cb);
return prom.get_future();
}
shared_fence(const vk::vk_logical_device<> &device,
T &&val,
const char *name,
typename std::enable_if<!std::is_void<S>::value>::type* = nullptr)
: f(device,
name,
true),
future(promise.get_future().share())
{
promise.set_value(std::forward<T>(val));
}
shared_fence(const vk::vk_logical_device<> &device,
bool signaled,
const char *name,
typename std::enable_if<std::is_void<S>::value>::type* = nullptr)
: f(device,
name,
signaled),
future(promise.get_future().share())
{
if (signaled)
promise.set_value();
}
/**
* @brief Construct a fence object in unsignaled state
*/
shared_fence(const vk::vk_logical_device<> &device,
const char *name)
: f(device,
name,
false),
future(promise.get_future().share())
{}
void ThreadFunction()
{
m_promice.set_value();
while (true)
{
Data data;
{
std::unique_lock<std::mutex> lock(m_queueGuard);
m_condition.wait(lock, [this]()
{
return !m_running || !m_queue.empty();
});
if (!m_running && m_queue.empty())
break;
if (!m_queue.empty())
{
m_queue.front().swap(data);
m_queue.pop();
}
}
for (const auto &d : data)
Out(m_outp, d);
m_handler.Saved(data.size());
}
m_handler.SaveReady();
}
void doSomething (std::promise<std::string>& p)
{
try {
// read character and throw exception if 'x'
std::cout << "read char ('x' for exception): ";
char c = std::cin.get();
if (c == 'x') {
throw std::runtime_error(std::string("char ")+c+" read");
}
//...
std::string s = std::string("char ") + c + " processed";
p.set_value(std::move(s)); // store result
}
catch (...) {
p.set_exception(std::current_exception()); // store exception
}
}
void operator()() {
osmium::thread::set_thread_name("_osmium_write");
try {
while (true) {
std::string data = m_queue.pop();
if (at_end_of_data(data)) {
break;
}
m_compressor->write(data);
}
m_compressor->close();
m_promise.set_value(true);
} catch (...) {
m_promise.set_exception(std::current_exception());
m_queue.drain();
}
}
Impl(GeneratorHandler &handler, const QString &fileName)
: m_handler(handler)
, m_outp(fileName.toStdString())
, m_thread(&Impl::ThreadFunction, this)
{
if (!m_outp.is_open())
throw std::invalid_argument("Cannot write to " + fileName.toStdString());
auto threadStartWaiter = m_promice.get_future();
threadStartWaiter.get();
}
FM<T>& set(SM<T, Ts...>& input, const bool is_lazy, Ts&... args) {
_promise = std::promise<T>();
_future = _promise.get_future();
auto f = std::async(
is_lazy ? std::launch::deferred : std::launch::async,
[&] () {
task_loop<T, Ts...>()(input, _promise, args...);
}
);
if(is_lazy) f.get();
return *this;
};
void live_cache::run(std::promise<void> promise) {
#ifndef MINGW32
for (auto& url : m_urls) {
auto sock = std::unique_ptr<zmq::socket_t>(new zmq::socket_t(*m_context, ZMQ_SUB));
sock->setsockopt(ZMQ_SUBSCRIBE, "", 0);
int zero = 0;
sock->setsockopt(ZMQ_LINGER, &zero, sizeof(zero));
sock->connect(url.c_str());
m_socks.push_back(std::move(sock));
}
std::vector<zmq::pollitem_t> polls;
for (auto& sock : m_socks) {
zmq::pollitem_t poll;
poll.socket = static_cast<void *>(*sock); //It's the only way to handle this because of poor library API
poll.events = ZMQ_POLLIN;
polls.push_back(poll);
}
for (size_t i = 0; i < polls.size(); i++)
process_socket(i);
promise.set_value();
zmq::pollitem_t poll;
poll.socket = nullptr;
poll.fd = m_cmd_sock[0];
poll.events = ZMQ_POLLIN;
polls.push_back(poll);
do {
int rc = zmq::poll(&polls[0], polls.size(), -1);
if (rc == -1)
continue;
for (size_t i = 0; i < polls.size() - 1; i++)
if (polls[i].revents & ZMQ_POLLIN)
process_socket(i);
if (polls.back().revents & ZMQ_POLLIN)
return;
} while (true);
#endif
}
void correlation_parallel_helper(VD::const_iterator first,
VD::const_iterator last,
std::promise<corr_intermediate> accumulate_promise)
{
const size_t N = last - first;
corr_intermediate result;
result.sum = std::accumulate(first, last, 0);
result.mean = result.sum / N;
result.sumsqr = std::inner_product(first, last, first, 0);
result.stdev = N > 1 ? sqrt((result.sumsqr - result.sum * result.sum / N) / (N - 1)) : 0;
if (result.stdev) {
result.Y.reserve(N);
std::transform(first, last, result.Y.begin(), [result](double val) { return (val - result.mean)/result.stdev; });
}
accumulate_promise.set_value(result); // Notify future
}
bool backtrackSolve(bool (*board)[8][8], unsigned short vPos, std::promise<bool>& p)
{
if(vPos == 8) // catch for already complete board
return true;
for(unsigned short hPos = 0; hPos < 8; hPos++)
if(singleConflictCheck(board, hPos, vPos))
{
(*board)[hPos][vPos] = 1;
if(backtrackSolve(board, vPos + 1, p) == true) //return chain to escape all recursively called functions.
{
if(vPos == 0) //only run on initial function call
p.set_value_at_thread_exit(true); //setting thread complete status on thread exit
return true;
}
(*board)[hPos][vPos] = 0;
}
return false;
}
void func5(std::promise<void> p)
{
std::this_thread::sleep_for(ms(500));
p.set_value();
}
inline void ExecuteAndSetValue<void>(std::function<void()> const& function,
std::promise<void>& promise) {
function();
promise.set_value();
}
void ExecuteAndSetValue(std::function<T()> const& function,
std::promise<T>& promise) {
promise.set_value(function());
}
void func3(std::promise<int&> p)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
j = 5;
p.set_value(j);
}
/**
* @brief Resets fence to unsignaled state
* Not thread-safe.
*/
void reset() override {
f.reset();
promise = std::promise<R>();
future = promise.get_future().share();
}
void func4(std::promise<int&> p)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
p.set_exception(std::make_exception_ptr(3.5));
}
void func5(std::promise<void> p)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
p.set_value();
}
void func6(std::promise<void> p)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500));
p.set_exception(std::make_exception_ptr('c'));
}
/**
* @brief Signals the fence
*
* @param e Exception to set the fence to
*/
void set_exception(const std::exception_ptr &e) {
promise.set_exception(e);
}
void set_value(std::promise<Fut>& p, F& f, T& t) {
p.set_value(f(t));
}
dbusConnection_->disconnect();
interfaceHandlerDBusConnection->unregisterObjectPath(objectPath);
ASSERT_TRUE(interfaceHandlerDBusConnection->releaseServiceName(busName));
interfaceHandlerDBusConnection->disconnect();
}
void dispatch(::DBusConnection* libdbusConnection) {
dbus_bool_t success = TRUE;
while (success) {
success = dbus_connection_read_write_dispatch(libdbusConnection, 1);
}
}
std::promise<bool> promise;
std::future<bool> future = promise.get_future();
void notifyThunk(DBusPendingCall*, void* data) {
::DBusConnection* libdbusConnection = reinterpret_cast<DBusConnection*>(data);
dbus_connection_close(libdbusConnection);
dbus_connection_unref(libdbusConnection);
promise.set_value(true);
}
TEST_F(DBusConnectionTest, LibdbusConnectionsMayCommitSuicide) {
const ::DBusBusType libdbusType = ::DBusBusType::DBUS_BUS_SESSION;
::DBusError libdbusError;
dbus_error_init(&libdbusError);
::DBusConnection* libdbusConnection = dbus_bus_get_private(libdbusType, &libdbusError);
void func(std::promise<int>& p)
{
const int i = 5;
p.set_value_at_thread_exit(i);
}
void notifyThunk(DBusPendingCall*, void* data) {
::DBusConnection* libdbusConnection = reinterpret_cast<DBusConnection*>(data);
dbus_connection_close(libdbusConnection);
dbus_connection_unref(libdbusConnection);
promise.set_value(true);
}
void signal(T &&val,
typename std::enable_if<!std::is_void<S>::value>::type* = nullptr) {
promise.set_value(std::forward<T>(val));
}
void set_value(std::promise<void>& p, F& f, T& t) {
f(t);
p.set_value();
}
void signal(typename std::enable_if<std::is_void<S>::value>::type* = nullptr) {
promise.set_value();
}
