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Common: Remove Event

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This commit is contained in:
Connor McLaughlin 2022-07-30 21:55:12 +10:00
parent eb166220b1
commit cb127b6412
10 changed files with 0 additions and 399 deletions
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1
src/common-tests/CMakeLists.txt
View file

@ -1,6 +1,5 @@
add_executable(common-tests
bitutils_tests.cpp
event_tests.cpp
file_system_tests.cpp
path_tests.cpp
rectangle_tests.cpp

1
src/common-tests/common-tests.vcxproj
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@ -4,7 +4,6 @@
<ItemGroup>
<ClCompile Include="..\..\dep\googletest\src\gtest_main.cc" />
<ClCompile Include="bitutils_tests.cpp" />
<ClCompile Include="event_tests.cpp" />
<ClCompile Include="file_system_tests.cpp" />
<ClCompile Include="path_tests.cpp" />
<ClCompile Include="rectangle_tests.cpp" />

1
src/common-tests/common-tests.vcxproj.filters
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@ -3,7 +3,6 @@
<ItemGroup>
<ClCompile Include="..\..\dep\googletest\src\gtest_main.cc" />
<ClCompile Include="rectangle_tests.cpp" />
<ClCompile Include="event_tests.cpp" />
<ClCompile Include="bitutils_tests.cpp" />
<ClCompile Include="file_system_tests.cpp" />
<ClCompile Include="path_tests.cpp" />

79
src/common-tests/event_tests.cpp
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@ -1,79 +0,0 @@
#include "common/event.h"
#include "gtest/gtest.h"
#include <atomic>
#include <chrono>
#include <thread>
TEST(Event, InitialStateUnsignaled)
{
Common::Event e;
ASSERT_FALSE(e.TryWait(1));
}
TEST(Event, SignalOnSameThread)
{
Common::Event e;
e.Signal();
ASSERT_TRUE(e.TryWait(1));
}
TEST(Event, SignalOnSecondThread)
{
Common::Event e;
std::thread thr([&e]() { e.Signal(); });
e.Wait();
thr.join();
}
TEST(Event, SignalOnSecondThreadWithDelay)
{
Common::Event e;
std::atomic_bool fl{false};
std::thread thr([&e, &fl]() {
std::this_thread::sleep_for(std::chrono::milliseconds(100));
e.Signal();
fl.store(true);
});
ASSERT_FALSE(fl.load());
e.Wait();
ASSERT_TRUE(fl.load());
thr.join();
}
TEST(Event, ResetAfterSignaling)
{
Common::Event e;
e.Signal();
e.Reset();
ASSERT_FALSE(e.TryWait(1));
}
TEST(Event, WaitForMultiple)
{
Common::Event e1, e2;
e1.Signal();
e2.Signal();
Common::Event* events[] = { &e1, &e2 };
Common::Event::WaitForMultiple(events, countof(events));
}
TEST(Event, AutoReset)
{
Common::Event e(true);
e.Signal();
ASSERT_TRUE(e.TryWait(1));
ASSERT_FALSE(e.TryWait(1));
}
TEST(Event, NoAutoReset)
{
Common::Event e(false);
e.Signal();
ASSERT_TRUE(e.TryWait(1));
ASSERT_TRUE(e.TryWait(1));
}

2
src/common/CMakeLists.txt
View file

@ -11,8 +11,6 @@ add_library(common
dimensional_array.h
error.cpp
error.h
event.cpp
event.h
fifo_queue.h
file_system.cpp
file_system.h

2
src/common/common.vcxproj
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@ -23,7 +23,6 @@
<ClInclude Include="dimensional_array.h" />
<ClInclude Include="easing.h" />
<ClInclude Include="error.h" />
<ClInclude Include="event.h" />
<ClInclude Include="fifo_queue.h" />
<ClInclude Include="file_system.h" />
<ClInclude Include="gl\context.h" />
@ -103,7 +102,6 @@
<ClCompile Include="d3d12\stream_buffer.cpp" />
<ClCompile Include="d3d12\texture.cpp" />
<ClCompile Include="d3d12\util.cpp" />
<ClCompile Include="event.cpp" />
<ClCompile Include="file_system.cpp" />
<ClCompile Include="gl\context.cpp" />
<ClCompile Include="gl\context_wgl.cpp">

2
src/common/common.vcxproj.filters
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@ -44,7 +44,6 @@
<ClInclude Include="gl\shader_cache.h">
<Filter>gl</Filter>
</ClInclude>
<ClInclude Include="event.h" />
<ClInclude Include="bitutils.h" />
<ClInclude Include="gl\context.h">
<Filter>gl</Filter>
@ -176,7 +175,6 @@
<ClCompile Include="gl\shader_cache.cpp">
<Filter>gl</Filter>
</ClCompile>
<ClCompile Include="event.cpp" />
<ClCompile Include="gl\context_wgl.cpp">
<Filter>gl</Filter>
</ClCompile>

253
src/common/event.cpp
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@ -1,253 +0,0 @@
#include "event.h"
#include "assert.h"
#if defined(_WIN32)
#include "windows_headers.h"
#include <malloc.h>
#elif defined(__linux__) || defined(__APPLE__) || defined(__HAIKU__)
#include <errno.h>
#include <time.h>
#endif
namespace Common {
#if defined(_WIN32) && defined(USE_WIN32_EVENT_OBJECTS)
Event::Event(bool auto_reset /* = false */)
{
m_event_handle = reinterpret_cast<void*>(CreateEvent(nullptr, auto_reset ? FALSE : TRUE, FALSE, nullptr));
Assert(m_event_handle != nullptr);
}
Event::~Event()
{
CloseHandle(reinterpret_cast<HANDLE>(m_event_handle));
}
void Event::Signal()
{
SetEvent(reinterpret_cast<HANDLE>(m_event_handle));
}
void Event::Wait()
{
WaitForSingleObject(reinterpret_cast<HANDLE>(m_event_handle), INFINITE);
}
bool Event::TryWait(u32 timeout_in_ms)
{
return (WaitForSingleObject(reinterpret_cast<HANDLE>(m_event_handle), timeout_in_ms) == WAIT_OBJECT_0);
}
void Event::Reset()
{
ResetEvent(reinterpret_cast<HANDLE>(m_event_handle));
}
void Event::WaitForMultiple(Event** events, u32 num_events)
{
DebugAssert(num_events > 0);
HANDLE* event_handles = (HANDLE*)alloca(sizeof(HANDLE) * num_events);
for (u32 i = 0; i < num_events; i++)
event_handles[i] = reinterpret_cast<HANDLE>(events[i]->m_event_handle);
WaitForMultipleObjects(num_events, event_handles, TRUE, INFINITE);
}
#elif defined(_WIN32)
Event::Event(bool auto_reset /* = false */) : m_auto_reset(auto_reset)
{
InitializeCriticalSection(&m_cs);
InitializeConditionVariable(&m_cv);
}
Event::~Event()
{
DeleteCriticalSection(&m_cs);
}
void Event::Signal()
{
EnterCriticalSection(&m_cs);
m_signaled.store(true);
WakeAllConditionVariable(&m_cv);
LeaveCriticalSection(&m_cs);
}
void Event::Wait()
{
m_waiters.fetch_add(1);
EnterCriticalSection(&m_cs);
while (!m_signaled.load())
SleepConditionVariableCS(&m_cv, &m_cs, INFINITE);
if (m_waiters.fetch_sub(1) == 1 && m_auto_reset)
m_signaled.store(false);
LeaveCriticalSection(&m_cs);
}
bool Event::TryWait(u32 timeout_in_ms)
{
m_waiters.fetch_add(1);
const u32 start = GetTickCount();
EnterCriticalSection(&m_cs);
while (!m_signaled.load() && (GetTickCount() - start) < timeout_in_ms)
SleepConditionVariableCS(&m_cv, &m_cs, timeout_in_ms);
const bool result = m_signaled.load();
if (m_waiters.fetch_sub(1) == 1 && result && m_auto_reset)
m_signaled.store(false);
LeaveCriticalSection(&m_cs);
return result;
}
void Event::Reset()
{
EnterCriticalSection(&m_cs);
m_signaled.store(false);
LeaveCriticalSection(&m_cs);
}
void Event::WaitForMultiple(Event** events, u32 num_events)
{
for (u32 i = 0; i < num_events; i++)
events[i]->Wait();
}
#elif defined(__linux__) || defined(__APPLE__) || defined(__HAIKU__)
Event::Event(bool auto_reset /* = false */) : m_auto_reset(auto_reset)
{
pthread_mutex_init(&m_mutex, nullptr);
pthread_cond_init(&m_cv, nullptr);
}
Event::~Event()
{
pthread_cond_destroy(&m_cv);
pthread_mutex_destroy(&m_mutex);
}
void Event::Signal()
{
pthread_mutex_lock(&m_mutex);
m_signaled.store(true);
pthread_cond_broadcast(&m_cv);
pthread_mutex_unlock(&m_mutex);
}
void Event::Wait()
{
m_waiters.fetch_add(1);
pthread_mutex_lock(&m_mutex);
while (!m_signaled.load())
pthread_cond_wait(&m_cv, &m_mutex);
if (m_waiters.fetch_sub(1) == 1 && m_auto_reset)
m_signaled.store(false);
pthread_mutex_unlock(&m_mutex);
}
bool Event::TryWait(u32 timeout_in_ms)
{
m_waiters.fetch_add(1);
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
ts.tv_sec += timeout_in_ms / 1000;
ts.tv_nsec += (timeout_in_ms % 1000) * 1000000;
pthread_mutex_lock(&m_mutex);
while (!m_signaled.load())
{
if (pthread_cond_timedwait(&m_cv, &m_mutex, &ts) != 0)
break;
}
const bool result = m_signaled.load();
if (m_waiters.fetch_sub(1) == 1 && result && m_auto_reset)
m_signaled.store(false);
pthread_mutex_unlock(&m_mutex);
return result;
}
void Event::Reset()
{
pthread_mutex_lock(&m_mutex);
m_signaled.store(false);
pthread_mutex_unlock(&m_mutex);
}
void Event::WaitForMultiple(Event** events, u32 num_events)
{
for (u32 i = 0; i < num_events; i++)
events[i]->Wait();
}
#else
Event::Event(bool auto_reset /* = false */) : m_auto_reset(auto_reset) {}
Event::~Event() = default;
void Event::Signal()
{
std::unique_lock lock(m_mutex);
m_signaled.store(true);
m_cv.notify_all();
}
void Event::Wait()
{
m_waiters.fetch_add(1);
std::unique_lock lock(m_mutex);
m_cv.wait(lock, [this]() { return m_signaled.load(); });
if (m_waiters.fetch_sub(1) == 1 && m_auto_reset)
m_signaled.store(false);
}
bool Event::TryWait(u32 timeout_in_ms)
{
m_waiters.fetch_add(1);
std::unique_lock lock(m_mutex);
const bool result =
m_cv.wait_for(lock, std::chrono::milliseconds(timeout_in_ms), [this]() { return m_signaled.load(); });
if (m_waiters.fetch_sub(1) == 1 && result && m_auto_reset)
m_signaled.store(false);
return result;
}
void Event::Reset()
{
std::unique_lock lock(m_mutex);
m_signaled.store(false);
}
void Event::WaitForMultiple(Event** events, u32 num_events)
{
for (u32 i = 0; i < num_events; i++)
events[i]->Wait();
}
#endif
} // namespace Common

57
src/common/event.h
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@ -1,57 +0,0 @@
#pragma once
#include "types.h"
// #define USE_WIN32_EVENT_OBJECTS 1
#if defined(_WIN32) && !defined(USE_WIN32_EVENT_OBJECTS)
#include "windows_headers.h"
#include <atomic>
#elif defined(__linux__) || defined(__APPLE__) || defined(__HAIKU__)
#include <atomic>
#include <pthread.h>
#else
#include <atomic>
#include <condition_variable>
#include <mutex>
#endif
namespace Common {
class Event
{
public:
Event(bool auto_reset = false);
~Event();
void Reset();
void Signal();
void Wait();
bool TryWait(u32 timeout_in_ms);
static void WaitForMultiple(Event** events, u32 num_events);
private:
#if defined(_WIN32) && defined(USE_WIN32_EVENT_OBJECTS)
void* m_event_handle;
#elif defined(_WIN32)
CRITICAL_SECTION m_cs;
CONDITION_VARIABLE m_cv;
std::atomic_uint32_t m_waiters{0};
std::atomic_bool m_signaled{false};
bool m_auto_reset = false;
#elif defined(__linux__) || defined(__APPLE__) || defined(__HAIKU__)
pthread_mutex_t m_mutex;
pthread_cond_t m_cv;
std::atomic_uint32_t m_waiters{0};
std::atomic_bool m_signaled{false};
bool m_auto_reset = false;
#else
std::mutex m_mutex;
std::condition_variable m_cv;
std::atomic_uint32_t m_waiters{0};
std::atomic_bool m_signaled{false};
bool m_auto_reset = false;
#endif
};
} // namespace Common

1
src/core/gpu_backend.h
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@ -1,5 +1,4 @@
#pragma once
#include "common/event.h"
#include "common/heap_array.h"
#include "common/threading.h"
#include "gpu_types.h"