mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-04 21:03:15 +00:00
187 lines
4.4 KiB
Diff
187 lines
4.4 KiB
Diff
diff --git a/src/util/thread.h b/src/util/thread.h
|
|
index 28aeca8a..db5c9913 100644
|
|
--- a/src/util/thread.h
|
|
+++ b/src/util/thread.h
|
|
@@ -149,178 +149,8 @@ namespace dxvk {
|
|
}
|
|
}
|
|
|
|
-
|
|
- /**
|
|
- * \brief SRW-based mutex implementation
|
|
- *
|
|
- * Drop-in replacement for \c std::mutex that uses Win32
|
|
- * SRW locks, which are implemented with \c futex in wine.
|
|
- */
|
|
- class mutex {
|
|
-
|
|
- public:
|
|
-
|
|
- using native_handle_type = PSRWLOCK;
|
|
-
|
|
- mutex() { }
|
|
-
|
|
- mutex(const mutex&) = delete;
|
|
- mutex& operator = (const mutex&) = delete;
|
|
-
|
|
- void lock() {
|
|
- AcquireSRWLockExclusive(&m_lock);
|
|
- }
|
|
-
|
|
- void unlock() {
|
|
- ReleaseSRWLockExclusive(&m_lock);
|
|
- }
|
|
-
|
|
- bool try_lock() {
|
|
- return TryAcquireSRWLockExclusive(&m_lock);
|
|
- }
|
|
-
|
|
- native_handle_type native_handle() {
|
|
- return &m_lock;
|
|
- }
|
|
-
|
|
- private:
|
|
-
|
|
- SRWLOCK m_lock = SRWLOCK_INIT;
|
|
-
|
|
- };
|
|
-
|
|
-
|
|
- /**
|
|
- * \brief Recursive mutex implementation
|
|
- *
|
|
- * Drop-in replacement for \c std::recursive_mutex that
|
|
- * uses Win32 critical sections.
|
|
- */
|
|
- class recursive_mutex {
|
|
-
|
|
- public:
|
|
-
|
|
- using native_handle_type = PCRITICAL_SECTION;
|
|
-
|
|
- recursive_mutex() {
|
|
- InitializeCriticalSection(&m_lock);
|
|
- }
|
|
-
|
|
- ~recursive_mutex() {
|
|
- DeleteCriticalSection(&m_lock);
|
|
- }
|
|
-
|
|
- recursive_mutex(const recursive_mutex&) = delete;
|
|
- recursive_mutex& operator = (const recursive_mutex&) = delete;
|
|
-
|
|
- void lock() {
|
|
- EnterCriticalSection(&m_lock);
|
|
- }
|
|
-
|
|
- void unlock() {
|
|
- LeaveCriticalSection(&m_lock);
|
|
- }
|
|
-
|
|
- bool try_lock() {
|
|
- return TryEnterCriticalSection(&m_lock);
|
|
- }
|
|
-
|
|
- native_handle_type native_handle() {
|
|
- return &m_lock;
|
|
- }
|
|
-
|
|
- private:
|
|
-
|
|
- CRITICAL_SECTION m_lock;
|
|
-
|
|
- };
|
|
-
|
|
-
|
|
- /**
|
|
- * \brief SRW-based condition variable implementation
|
|
- *
|
|
- * Drop-in replacement for \c std::condition_variable that
|
|
- * uses Win32 condition variables on SRW locks.
|
|
- */
|
|
- class condition_variable {
|
|
-
|
|
- public:
|
|
-
|
|
- using native_handle_type = PCONDITION_VARIABLE;
|
|
-
|
|
- condition_variable() {
|
|
- InitializeConditionVariable(&m_cond);
|
|
- }
|
|
-
|
|
- condition_variable(condition_variable&) = delete;
|
|
-
|
|
- condition_variable& operator = (condition_variable&) = delete;
|
|
-
|
|
- void notify_one() {
|
|
- WakeConditionVariable(&m_cond);
|
|
- }
|
|
-
|
|
- void notify_all() {
|
|
- WakeAllConditionVariable(&m_cond);
|
|
- }
|
|
-
|
|
- void wait(std::unique_lock<dxvk::mutex>& lock) {
|
|
- auto srw = lock.mutex()->native_handle();
|
|
- SleepConditionVariableSRW(&m_cond, srw, INFINITE, 0);
|
|
- }
|
|
-
|
|
- template<typename Predicate>
|
|
- void wait(std::unique_lock<dxvk::mutex>& lock, Predicate pred) {
|
|
- while (!pred())
|
|
- wait(lock);
|
|
- }
|
|
-
|
|
- template<typename Clock, typename Duration>
|
|
- std::cv_status wait_until(std::unique_lock<dxvk::mutex>& lock, const std::chrono::time_point<Clock, Duration>& time) {
|
|
- auto now = Clock::now();
|
|
-
|
|
- return (now < time)
|
|
- ? wait_for(lock, now - time)
|
|
- : std::cv_status::timeout;
|
|
- }
|
|
-
|
|
- template<typename Clock, typename Duration, typename Predicate>
|
|
- bool wait_until(std::unique_lock<dxvk::mutex>& lock, const std::chrono::time_point<Clock, Duration>& time, Predicate pred) {
|
|
- if (pred())
|
|
- return true;
|
|
-
|
|
- auto now = Clock::now();
|
|
- return now < time && wait_for(lock, now - time, pred);
|
|
- }
|
|
-
|
|
- template<typename Rep, typename Period>
|
|
- std::cv_status wait_for(std::unique_lock<dxvk::mutex>& lock, const std::chrono::duration<Rep, Period>& timeout) {
|
|
- auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(timeout);
|
|
- auto srw = lock.mutex()->native_handle();
|
|
-
|
|
- return SleepConditionVariableSRW(&m_cond, srw, ms.count(), 0)
|
|
- ? std::cv_status::no_timeout
|
|
- : std::cv_status::timeout;
|
|
- }
|
|
-
|
|
- template<typename Rep, typename Period, typename Predicate>
|
|
- bool wait_for(std::unique_lock<dxvk::mutex>& lock, const std::chrono::duration<Rep, Period>& timeout, Predicate pred) {
|
|
- bool result = pred();
|
|
-
|
|
- if (!result && wait_for(lock, timeout) == std::cv_status::no_timeout)
|
|
- result = pred();
|
|
-
|
|
- return result;
|
|
- }
|
|
-
|
|
- native_handle_type native_handle() {
|
|
- return &m_cond;
|
|
- }
|
|
-
|
|
- private:
|
|
-
|
|
- CONDITION_VARIABLE m_cond;
|
|
-
|
|
- };
|
|
+ using mutex = std::mutex;
|
|
+ using recursive_mutex = std::recursive_mutex;
|
|
+ using condition_variable = std::condition_variable;
|
|
|
|
}
|