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Remove benaphore, use std::mutex on cygwin.

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This commit is contained in:
Bartosz Taudul 2020-03-19 02:02:38 +01:00
parent fe32385a12
commit 59e859e59a
12 changed files with 0 additions and 365 deletions
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2
capture/build/win32/capture.vcxproj
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@ -177,10 +177,8 @@
<ClInclude Include="..\..\..\common\TracyQueue.hpp" />
<ClInclude Include="..\..\..\common\TracySocket.hpp" />
<ClInclude Include="..\..\..\common\TracySystem.hpp" />
<ClInclude Include="..\..\..\common\tracy_benaphore.h" />
<ClInclude Include="..\..\..\common\tracy_lz4.hpp" />
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp" />
<ClInclude Include="..\..\..\common\tracy_sema.h" />
<ClInclude Include="..\..\..\server\TracyCharUtil.hpp" />
<ClInclude Include="..\..\..\server\TracyEvent.hpp" />
<ClInclude Include="..\..\..\server\TracyFileRead.hpp" />

6
capture/build/win32/capture.vcxproj.filters
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@ -185,12 +185,6 @@
<ClInclude Include="..\..\..\common\TracyAlign.hpp">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_benaphore.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_sema.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp">
<Filter>common</Filter>
</ClInclude>

9
common/TracyMutex.hpp
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@ -10,15 +10,6 @@ namespace tracy
using TracyMutex = std::shared_mutex;
}
#elif defined __CYGWIN__
#include "tracy_benaphore.h"
namespace tracy
{
using TracyMutex = NonRecursiveBenaphore;
}
#else
#include <mutex>

68
common/tracy_benaphore.h
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@ -1,68 +0,0 @@
// Copyright (c) 2015 Jeff Preshing
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgement in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
#ifndef __TRACY_CPP11OM_BENAPHORE_H__
#define __TRACY_CPP11OM_BENAPHORE_H__
#include <cassert>
#include <thread>
#include <atomic>
#include "tracy_sema.h"
namespace tracy
{
class NonRecursiveBenaphore
{
private:
std::atomic<int> m_contentionCount;
DefaultSemaphoreType m_sema;
public:
NonRecursiveBenaphore() : m_contentionCount(0) {}
void lock()
{
if (m_contentionCount.fetch_add(1, std::memory_order_acquire) > 0)
{
m_sema.wait();
}
}
bool try_lock()
{
if (m_contentionCount.load(std::memory_order_relaxed) != 0)
return false;
int expected = 0;
return m_contentionCount.compare_exchange_strong(expected, 1, std::memory_order_acquire);
}
void unlock()
{
int oldCount = m_contentionCount.fetch_sub(1, std::memory_order_release);
assert(oldCount > 0);
if (oldCount > 1)
{
m_sema.signal();
}
}
};
}
#endif // __CPP11OM_BENAPHORE_H__

255
common/tracy_sema.h
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@ -1,255 +0,0 @@
// Copyright (c) 2015 Jeff Preshing
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgement in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
#ifndef __TRACY_CPP11OM_SEMAPHORE_H__
#define __TRACY_CPP11OM_SEMAPHORE_H__
#include <atomic>
#include <cassert>
#if defined(__MACH__)
#include <mach/mach.h>
#elif defined(__unix__)
#include <semaphore.h>
#endif
namespace tracy
{
#if defined(_WIN32)
//---------------------------------------------------------
// Semaphore (Windows)
//---------------------------------------------------------
#ifndef MAXLONG
enum { MAXLONG = 0x7fffffff };
#endif
#ifndef INFINITE
enum { INFINITE = 0xFFFFFFFF };
#endif
#ifndef _WINDOWS_
typedef void* HANDLE;
extern "C" __declspec(dllimport) HANDLE __stdcall CreateSemaphoreA( void*, long, long, const char* );
extern "C" __declspec(dllimport) int __stdcall CloseHandle( HANDLE );
extern "C" __declspec(dllimport) unsigned long __stdcall WaitForSingleObject( HANDLE, unsigned long );
extern "C" __declspec(dllimport) int __stdcall ReleaseSemaphore( HANDLE, long, long* );
#endif
class Semaphore
{
private:
HANDLE m_hSema;
Semaphore(const Semaphore& other) = delete;
Semaphore& operator=(const Semaphore& other) = delete;
public:
Semaphore(int initialCount = 0)
{
assert(initialCount >= 0);
m_hSema = CreateSemaphoreA(NULL, initialCount, MAXLONG, NULL);
}
~Semaphore()
{
CloseHandle(m_hSema);
}
void wait()
{
WaitForSingleObject(m_hSema, INFINITE);
}
void signal(int count = 1)
{
ReleaseSemaphore(m_hSema, count, NULL);
}
};
#elif defined(__MACH__)
//---------------------------------------------------------
// Semaphore (Apple iOS and OSX)
// Can't use POSIX semaphores due to http://lists.apple.com/archives/darwin-kernel/2009/Apr/msg00010.html
//---------------------------------------------------------
class Semaphore
{
private:
semaphore_t m_sema;
Semaphore(const Semaphore& other) = delete;
Semaphore& operator=(const Semaphore& other) = delete;
public:
Semaphore(int initialCount = 0)
{
assert(initialCount >= 0);
semaphore_create(mach_task_self(), &m_sema, SYNC_POLICY_FIFO, initialCount);
}
~Semaphore()
{
semaphore_destroy(mach_task_self(), m_sema);
}
void wait()
{
semaphore_wait(m_sema);
}
void signal()
{
semaphore_signal(m_sema);
}
void signal(int count)
{
while (count-- > 0)
{
semaphore_signal(m_sema);
}
}
};
#elif defined(__unix__)
//---------------------------------------------------------
// Semaphore (POSIX, Linux)
//---------------------------------------------------------
class Semaphore
{
private:
sem_t m_sema;
Semaphore(const Semaphore& other) = delete;
Semaphore& operator=(const Semaphore& other) = delete;
public:
Semaphore(int initialCount = 0)
{
assert(initialCount >= 0);
sem_init(&m_sema, 0, initialCount);
}
~Semaphore()
{
sem_destroy(&m_sema);
}
void wait()
{
// http://stackoverflow.com/questions/2013181/gdb-causes-sem-wait-to-fail-with-eintr-error
int rc;
do
{
rc = sem_wait(&m_sema);
}
while (rc == -1 && errno == EINTR);
}
void signal()
{
sem_post(&m_sema);
}
void signal(int count)
{
while (count-- > 0)
{
sem_post(&m_sema);
}
}
};
#else
#error Unsupported platform!
#endif
//---------------------------------------------------------
// LightweightSemaphore
//---------------------------------------------------------
class LightweightSemaphore
{
private:
std::atomic<int> m_count;
Semaphore m_sema;
void waitWithPartialSpinning()
{
int oldCount;
// Is there a better way to set the initial spin count?
// If we lower it to 1000, testBenaphore becomes 15x slower on my Core i7-5930K Windows PC,
// as threads start hitting the kernel semaphore.
int spin = 10000;
while (spin--)
{
oldCount = m_count.load(std::memory_order_relaxed);
if ((oldCount > 0) && m_count.compare_exchange_strong(oldCount, oldCount - 1, std::memory_order_acquire))
return;
std::atomic_signal_fence(std::memory_order_acquire); // Prevent the compiler from collapsing the loop.
}
oldCount = m_count.fetch_sub(1, std::memory_order_acquire);
if (oldCount <= 0)
{
m_sema.wait();
}
}
public:
LightweightSemaphore(int initialCount = 0) : m_count(initialCount)
{
assert(initialCount >= 0);
}
bool tryWait()
{
int oldCount = m_count.load(std::memory_order_relaxed);
return (oldCount > 0 && m_count.compare_exchange_strong(oldCount, oldCount - 1, std::memory_order_acquire));
}
void wait()
{
if (!tryWait())
waitWithPartialSpinning();
}
void signal(int count = 1)
{
int oldCount = m_count.fetch_add(count, std::memory_order_release);
int toRelease = -oldCount < count ? -oldCount : count;
if (toRelease > 0)
{
m_sema.signal(toRelease);
}
}
};
typedef LightweightSemaphore DefaultSemaphoreType;
}
#endif // __CPP11OM_SEMAPHORE_H__

2
import-chrome/build/win32/import-chrome.vcxproj
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@ -175,10 +175,8 @@
<ClInclude Include="..\..\..\common\TracyQueue.hpp" />
<ClInclude Include="..\..\..\common\TracySocket.hpp" />
<ClInclude Include="..\..\..\common\TracySystem.hpp" />
<ClInclude Include="..\..\..\common\tracy_benaphore.h" />
<ClInclude Include="..\..\..\common\tracy_lz4.hpp" />
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp" />
<ClInclude Include="..\..\..\common\tracy_sema.h" />
<ClInclude Include="..\..\..\server\TracyCharUtil.hpp" />
<ClInclude Include="..\..\..\server\TracyEvent.hpp" />
<ClInclude Include="..\..\..\server\TracyFileRead.hpp" />

6
import-chrome/build/win32/import-chrome.vcxproj.filters
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@ -176,12 +176,6 @@
<ClInclude Include="..\..\..\common\TracyAlign.hpp">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_benaphore.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_sema.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp">
<Filter>common</Filter>
</ClInclude>

1
manual/tracy.tex
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@ -2731,7 +2731,6 @@ The following libraries are included with and used by the Tracy Profiler. Entrie
\item zlib license
\begin{itemize}
\item benaphore \faStar{} -- \url{https://github.com/preshing/cpp11-on-multicore}
\item Native File Dialog -- \url{https://github.com/mlabbe/nativefiledialog}
\item GLFW -- \url{https://github.com/glfw/glfw}
\item IconFontCppHeaders -- \url{https://github.com/juliettef/IconFontCppHeaders}

2
profiler/build/win32/Tracy.vcxproj
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@ -169,10 +169,8 @@
<ClInclude Include="..\..\..\common\TracyQueue.hpp" />
<ClInclude Include="..\..\..\common\TracySocket.hpp" />
<ClInclude Include="..\..\..\common\TracySystem.hpp" />
<ClInclude Include="..\..\..\common\tracy_benaphore.h" />
<ClInclude Include="..\..\..\common\tracy_lz4.hpp" />
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp" />
<ClInclude Include="..\..\..\common\tracy_sema.h" />
<ClInclude Include="..\..\..\imguicolortextedit\TextEditor.h" />
<ClInclude Include="..\..\..\imgui\imconfig.h" />
<ClInclude Include="..\..\..\imgui\imgui.h" />

6
profiler/build/win32/Tracy.vcxproj.filters
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@ -326,12 +326,6 @@
<ClInclude Include="..\..\src\imgui_impl_opengl3.h">
<Filter>src</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_benaphore.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_sema.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\imgui\imconfig.h">
<Filter>imgui</Filter>
</ClInclude>

2
update/build/win32/update.vcxproj
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@ -176,10 +176,8 @@
<ClInclude Include="..\..\..\common\TracyQueue.hpp" />
<ClInclude Include="..\..\..\common\TracySocket.hpp" />
<ClInclude Include="..\..\..\common\TracySystem.hpp" />
<ClInclude Include="..\..\..\common\tracy_benaphore.h" />
<ClInclude Include="..\..\..\common\tracy_lz4.hpp" />
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp" />
<ClInclude Include="..\..\..\common\tracy_sema.h" />
<ClInclude Include="..\..\..\server\TracyCharUtil.hpp" />
<ClInclude Include="..\..\..\server\TracyEvent.hpp" />
<ClInclude Include="..\..\..\server\TracyFileRead.hpp" />

6
update/build/win32/update.vcxproj.filters
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@ -179,12 +179,6 @@
<ClInclude Include="..\..\..\common\TracyAlign.hpp">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_benaphore.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_sema.h">
<Filter>common</Filter>
</ClInclude>
<ClInclude Include="..\..\..\common\tracy_lz4hc.hpp">
<Filter>common</Filter>
</ClInclude>