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