From 6cc2ea8d0e1eb32d043fa8b04d9a3c07aabfe345 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Wed, 15 Nov 2017 21:44:55 +0100
Subject: [PATCH] Don't need recursive version.

---
 server/tracy_benaphore.h | 90 ----------------------------------------
 1 file changed, 90 deletions(-)

diff --git a/server/tracy_benaphore.h b/server/tracy_benaphore.h
index 1d464f29..06ba6310 100644
--- a/server/tracy_benaphore.h
+++ b/server/tracy_benaphore.h
@@ -14,9 +14,6 @@
 namespace tracy
 {
 
-//---------------------------------------------------------
-// NonRecursiveBenaphore
-//---------------------------------------------------------
 class NonRecursiveBenaphore
 {
 private:
@@ -53,93 +50,6 @@ public:
     }
 };
 
-
-//---------------------------------------------------------
-// RecursiveBenaphore
-//---------------------------------------------------------
-class RecursiveBenaphore
-{
-private:
-    std::atomic<int> m_contentionCount;
-    std::atomic<std::thread::id> m_owner;
-    int m_recursion;
-    DefaultSemaphoreType m_sema;
-
-public:
-    RecursiveBenaphore()
-    : m_contentionCount(0)
-// Apple LLVM 6.0 (in Xcode 6.1) refuses to initialize m_owner from a std::thread::id.
-// "error: no viable conversion from 'std::__1::__thread_id' to '_Atomic(std::__1::__thread_id)'"
-// (Note: On Linux, as of April 11, 2015, Clang 3.7 & libc++ don't have this problem.)
-// Prefer atomic_init (below) when Apple LLVM is detected.
-#if !(defined(__llvm__) && defined(__APPLE__))
-    , m_owner(std::thread::id())
-#endif
-    , m_recursion(0)
-    {
-// GCC 4.7.2's libstdc++-v3 doesn't implement atomic_init.
-// "warning: inline function 'void std::atomic_init(std::atomic<_ITp>*, _ITp) [with _ITp = std::thread::id]' used but never defined [enabled by default]"
-// Using the constructor (above) in that case.
-#if (defined(__llvm__) && defined(__APPLE__))
-        std::atomic_init(&m_owner, std::thread::id());
-#endif
-
-        // If this assert fails on your system, you'll have to replace std::thread::id with a
-        // more compact, platform-specific thread ID, or just comment the assert and live with
-        // the extra overhead.
-        assert(m_owner.is_lock_free());
-    }
-
-    void lock()
-    {
-        std::thread::id tid = std::this_thread::get_id();
-        if (m_contentionCount.fetch_add(1, std::memory_order_acquire) > 0)
-        {
-            if (tid != m_owner.load(std::memory_order_relaxed))
-                m_sema.wait();
-        }
-        //--- We are now inside the lock ---
-        m_owner.store(tid, std::memory_order_relaxed);
-        m_recursion++;
-    }
- 
-    bool tryLock()
-    {
-        std::thread::id tid = std::this_thread::get_id();
-        if (m_owner.load(std::memory_order_relaxed) == tid)
-        {
-            // Already inside the lock
-            m_contentionCount.fetch_add(1, std::memory_order_relaxed);
-        }
-        else
-        {
-            if (m_contentionCount.load(std::memory_order_relaxed) != 0)
-                return false;
-            int expected = 0;
-            if (!m_contentionCount.compare_exchange_strong(expected, 1, std::memory_order_acquire))
-                return false;
-            //--- We are now inside the lock ---
-            m_owner.store(tid, std::memory_order_relaxed);
-        }
-        m_recursion++;
-        return true;
-    }
-
-    void unlock()
-    {
-        assert(std::this_thread::get_id() == m_owner.load(std::memory_order_relaxed));
-        int recur = --m_recursion;
-        if (recur == 0)
-            m_owner.store(std::thread::id(), std::memory_order_relaxed);
-        if (m_contentionCount.fetch_sub(1, std::memory_order_release) > 1)
-        {
-            if (recur == 0)
-                m_sema.signal();
-        }
-        //--- We are now outside the lock ---
-    }
-};
-
 }
 
 #endif // __CPP11OM_BENAPHORE_H__