From 78485054bd42a62d4205c4a12479f2ab36a6d83f Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Fri, 11 Feb 2022 05:21:49 +0000
Subject: [PATCH] Forget about our custom mutex altogether after all

Signed-off-by: falkTX <falktx@falktx.com>
---
 include/mutex.hpp | 86 -----------------------------------------------
 1 file changed, 86 deletions(-)
 delete mode 100644 include/mutex.hpp

diff --git a/include/mutex.hpp b/include/mutex.hpp
deleted file mode 100644
index 5fb8421..0000000
--- a/include/mutex.hpp
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * DISTRHO Cardinal Plugin
- * Copyright (C) 2021-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 3 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the LICENSE file.
- */
-
-#pragma once
-
-#include <pthread.h>
-
-/* replace Rack's mutex with our own custom one, which can do priority inversion. */
-
-namespace rack {
-
-
-struct SharedMutex {
-    pthread_mutex_t readLock;
-    pthread_mutex_t writeLock;
-
-    SharedMutex() noexcept {
-        pthread_mutexattr_t attr;
-        pthread_mutexattr_init(&attr);
-        pthread_mutexattr_setprotocol(&attr, PTHREAD_PRIO_INHERIT);
-        pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-        pthread_mutex_init(&readLock, &attr);
-        pthread_mutexattr_destroy(&attr);
-
-        pthread_mutexattr_t attr2;
-        pthread_mutexattr_init(&attr2);
-        pthread_mutexattr_setprotocol(&attr2, PTHREAD_PRIO_NONE);
-        pthread_mutexattr_settype(&attr2, PTHREAD_MUTEX_NORMAL);
-        pthread_mutex_init(&writeLock, &attr2);
-        pthread_mutexattr_destroy(&attr2);
-    }
-
-    ~SharedMutex() noexcept {
-        pthread_mutex_destroy(&readLock);
-        pthread_mutex_destroy(&writeLock);
-    }
-
-    // for std::lock_guard usage, writers lock
-    void lock() noexcept {
-        pthread_mutex_lock(&readLock);
-        pthread_mutex_lock(&writeLock);
-    }
-
-    void unlock() noexcept {
-        pthread_mutex_unlock(&writeLock);
-        pthread_mutex_unlock(&readLock);
-    }
-
-    // for SharedLock usage, readers lock
-    void lock_shared() noexcept {
-        pthread_mutex_lock(&readLock);
-    }
-    void unlock_shared() noexcept {
-        pthread_mutex_unlock(&readLock);
-    }
-};
-
-
-template <class Mutex>
-struct SharedLock {
-    Mutex& mutex;
-
-    SharedLock(Mutex& m) noexcept : mutex(m) {
-        mutex.lock_shared();
-    }
-    ~SharedLock() noexcept {
-        mutex.unlock_shared();
-    }
-};
-
-
-} // namespace rack