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authorEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2015-06-20 21:10:44 +0200
committerEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2015-06-27 15:43:56 +0200
commit0aade9ad631f21b9d0e72c4896858c107f5a167a (patch)
treea18e78c22b22426730a94f383f7c08f56d79b179
parentMerge pull request #886 from zawata/Warning-Fixes (diff)
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-rw-r--r--src/common/CMakeLists.txt1
-rw-r--r--src/common/fifo_queue.h111
2 files changed, 0 insertions, 112 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index e78f4f144..f025e1186 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -31,7 +31,6 @@ set(HEADERS
cpu_detect.h
debug_interface.h
emu_window.h
- fifo_queue.h
file_util.h
key_map.h
linear_disk_cache.h
diff --git a/src/common/fifo_queue.h b/src/common/fifo_queue.h
deleted file mode 100644
index b426e6596..000000000
--- a/src/common/fifo_queue.h
+++ /dev/null
@@ -1,111 +0,0 @@
-#pragma once
-
-// a simple lockless thread-safe,
-// single reader, single writer queue
-
-#include "common/atomic.h"
-
-namespace Common
-{
-
-template <typename T>
-class FifoQueue
-{
-public:
- FifoQueue() : m_size(0)
- {
- m_write_ptr = m_read_ptr = new ElementPtr();
- }
-
- ~FifoQueue()
- {
- // this will empty out the whole queue
- delete m_read_ptr;
- }
-
- u32 Size() const
- {
- return m_size;
- }
-
- bool Empty() const
- {
- //return (m_read_ptr == m_write_ptr);
- return (0 == m_size);
- }
-
- T& Front() const
- {
- return *m_read_ptr->current;
- }
-
- template <typename Arg>
- void Push(Arg&& t)
- {
- // create the element, add it to the queue
- m_write_ptr->current = new T(std::forward<Arg>(t));
- // set the next pointer to a new element ptr
- // then advance the write pointer
- m_write_ptr = m_write_ptr->next = new ElementPtr();
- Common::AtomicIncrement(m_size);
- }
-
- void Pop()
- {
- Common::AtomicDecrement(m_size);
- ElementPtr *const tmpptr = m_read_ptr;
- // advance the read pointer
- m_read_ptr = m_read_ptr->next;
- // set the next element to NULL to stop the recursive deletion
- tmpptr->next = nullptr;
- delete tmpptr; // this also deletes the element
- }
-
- bool Pop(T& t)
- {
- if (Empty())
- return false;
-
- t = std::move(Front());
- Pop();
-
- return true;
- }
-
- // not thread-safe
- void Clear()
- {
- m_size = 0;
- delete m_read_ptr;
- m_write_ptr = m_read_ptr = new ElementPtr();
- }
-
-private:
- // stores a pointer to element
- // and a pointer to the next ElementPtr
- class ElementPtr
- {
- public:
- ElementPtr() : current(nullptr), next(nullptr) {}
-
- ~ElementPtr()
- {
- if (current)
- {
- delete current;
- // recusion ftw
- if (next)
- delete next;
- }
- }
-
- T *volatile current;
- ElementPtr *volatile next;
- };
-
- ElementPtr *volatile m_write_ptr;
- ElementPtr *volatile m_read_ptr;
- volatile u32 m_size;
-};
-
-}