nixpkgs/pkgs/misc/dxvk/darwin-thread-primitives.patch

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;
 
 }