Merge pull request #9677 from Morph1984/sleep-one

polyfill_thread: Implement StoppableTimedWait
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bunnei 2023-01-27 18:28:03 -08:00 committed by GitHub
commit 2efe42fc93
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3 changed files with 42 additions and 5 deletions

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@ -11,6 +11,8 @@
#ifdef __cpp_lib_jthread
#include <chrono>
#include <condition_variable>
#include <stop_token>
#include <thread>
@ -21,11 +23,23 @@ void CondvarWait(Condvar& cv, Lock& lock, std::stop_token token, Pred&& pred) {
cv.wait(lock, token, std::move(pred));
}
template <typename Rep, typename Period>
bool StoppableTimedWait(std::stop_token token, const std::chrono::duration<Rep, Period>& rel_time) {
std::condition_variable_any cv;
std::mutex m;
// Perform the timed wait.
std::unique_lock lk{m};
return !cv.wait_for(lk, token, rel_time, [&] { return token.stop_requested(); });
}
} // namespace Common
#else
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <functional>
#include <list>
#include <memory>
@ -318,6 +332,28 @@ void CondvarWait(Condvar& cv, Lock& lock, std::stop_token token, Pred pred) {
cv.wait(lock, [&] { return pred() || token.stop_requested(); });
}
template <typename Rep, typename Period>
bool StoppableTimedWait(std::stop_token token, const std::chrono::duration<Rep, Period>& rel_time) {
if (token.stop_requested()) {
return false;
}
bool stop_requested = false;
std::condition_variable cv;
std::mutex m;
std::stop_callback cb(token, [&] {
// Wake up the waiting thread.
std::unique_lock lk{m};
stop_requested = true;
cv.notify_one();
});
// Perform the timed wait.
std::unique_lock lk{m};
return !cv.wait_for(lk, rel_time, [&] { return stop_requested; });
}
} // namespace Common
#endif

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@ -6,6 +6,7 @@
#include "common/logging/log.h"
#include "common/param_package.h"
#include "common/polyfill_thread.h"
#include "common/settings_input.h"
#include "common/thread.h"
#include "input_common/drivers/gc_adapter.h"
@ -217,8 +218,7 @@ void GCAdapter::AdapterScanThread(std::stop_token stop_token) {
Common::SetCurrentThreadName("ScanGCAdapter");
usb_adapter_handle = nullptr;
pads = {};
while (!stop_token.stop_requested() && !Setup()) {
std::this_thread::sleep_for(std::chrono::seconds(2));
while (!Setup() && Common::StoppableTimedWait(stop_token, std::chrono::seconds{2})) {
}
}

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@ -5,6 +5,7 @@
#include "common/param_package.h"
#include "common/polyfill_ranges.h"
#include "common/polyfill_thread.h"
#include "common/settings.h"
#include "common/thread.h"
#include "input_common/drivers/joycon.h"
@ -67,7 +68,8 @@ void Joycons::Setup() {
void Joycons::ScanThread(std::stop_token stop_token) {
constexpr u16 nintendo_vendor_id = 0x057e;
Common::SetCurrentThreadName("JoyconScanThread");
while (!stop_token.stop_requested()) {
do {
SDL_hid_device_info* devs = SDL_hid_enumerate(nintendo_vendor_id, 0x0);
SDL_hid_device_info* cur_dev = devs;
@ -81,8 +83,7 @@ void Joycons::ScanThread(std::stop_token stop_token) {
}
SDL_hid_free_enumeration(devs);
std::this_thread::sleep_for(std::chrono::seconds(5));
}
} while (Common::StoppableTimedWait(stop_token, std::chrono::seconds{5}));
}
bool Joycons::IsDeviceNew(SDL_hid_device_info* device_info) const {