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Merge pull request #87 from archshift/remove-cruft 

Removed redundant headers for std implementations
pull/15/merge
bunnei 11 years ago
parent
a130086587 498d1a37f1
commit
85f1b76cd8
8 changed files with 7 additions and 857 deletions
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  1. 3
      src/common/CMakeLists.txt
  2. 2
      src/common/log_manager.h
  3. 168
      src/common/std_condition_variable.h
  4. 362
      src/common/std_mutex.h
  5. 314
      src/common/std_thread.h
  6. 6
      src/common/thread.cpp
  7. 7
      src/common/thread.h
  8. 2
      src/core/core_timing.cpp

3
src/common/CMakeLists.txt
View File

@ -49,9 +49,6 @@ set(HEADERS
msg_handler.h msg_handler.h
platform.h platform.h
scm_rev.h scm_rev.h
std_condition_variable.h
std_mutex.h
std_thread.h
string_util.h string_util.h
swap.h swap.h
symbols.h symbols.h

2
src/common/log_manager.h
View File

@ -6,11 +6,11 @@
#include "common/log.h" #include "common/log.h"
#include "common/string_util.h" #include "common/string_util.h"
#include "common/thread.h"
#include "common/file_util.h" #include "common/file_util.h"
#include <cstring> #include <cstring>
#include <set> #include <set>
#include <mutex>
#define MAX_MESSAGES 8000 #define MAX_MESSAGES 8000
#define MAX_MSGLEN 1024 #define MAX_MSGLEN 1024

168
src/common/std_condition_variable.h
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@ -1,168 +0,0 @@
#pragma once
#define GCC_VER(x,y,z) ((x) * 10000 + (y) * 100 + (z))
#define GCC_VERSION GCC_VER(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
#ifndef __has_include
#define __has_include(s) 0
#endif
#if GCC_VERSION >= GCC_VER(4,4,0) && __GXX_EXPERIMENTAL_CXX0X__
// GCC 4.4 provides <condition_variable>
#include <condition_variable>
#elif __has_include(<condition_variable>) && !ANDROID
// clang and libc++ provide <condition_variable> on OSX. However, the version
// of libc++ bundled with OSX 10.7 and 10.8 is buggy: it uses _ as a variable.
//
// We work around this issue by undefining and redefining _.
#undef _
#include <condition_variable>
#define _(s) wxGetTranslation((s))
#else
// partial std::condition_variable implementation for win32/pthread
#include "common/std_mutex.h"
#if (_MSC_VER >= 1600) || (GCC_VERSION >= GCC_VER(4,3,0) && __GXX_EXPERIMENTAL_CXX0X__)
#define USE_RVALUE_REFERENCES
#endif
#if defined(_WIN32) && defined(_M_X64)
#define USE_CONDITION_VARIABLES
#elif defined(_WIN32)
#define USE_EVENTS
#endif
namespace std
{
class condition_variable
{
#if defined(_WIN32) && defined(USE_CONDITION_VARIABLES)
typedef CONDITION_VARIABLE native_type;
#elif defined(_WIN32)
typedef HANDLE native_type;
#else
typedef pthread_cond_t native_type;
#endif
public:
#ifdef USE_EVENTS
typedef native_type native_handle_type;
#else
typedef native_type* native_handle_type;
#endif
condition_variable()
{
#if defined(_WIN32) && defined(USE_CONDITION_VARIABLES)
InitializeConditionVariable(&m_handle);
#elif defined(_WIN32)
m_handle = CreateEvent(NULL, false, false, NULL);
#else
pthread_cond_init(&m_handle, NULL);
#endif
}
~condition_variable()
{
#if defined(_WIN32) && !defined(USE_CONDITION_VARIABLES)
CloseHandle(m_handle);
#elif !defined(_WIN32)
pthread_cond_destroy(&m_handle);
#endif
}
condition_variable(const condition_variable&) /*= delete*/;
condition_variable& operator=(const condition_variable&) /*= delete*/;
void notify_one()
{
#if defined(_WIN32) && defined(USE_CONDITION_VARIABLES)
WakeConditionVariable(&m_handle);
#elif defined(_WIN32)
SetEvent(m_handle);
#else
pthread_cond_signal(&m_handle);
#endif
}
void notify_all()
{
#if defined(_WIN32) && defined(USE_CONDITION_VARIABLES)
WakeAllConditionVariable(&m_handle);
#elif defined(_WIN32)
// TODO: broken
SetEvent(m_handle);
#else
pthread_cond_broadcast(&m_handle);
#endif
}
void wait(unique_lock<mutex>& lock)
{
#ifdef _WIN32
#ifdef USE_SRWLOCKS
SleepConditionVariableSRW(&m_handle, lock.mutex()->native_handle(), INFINITE, 0);
#elif defined(USE_CONDITION_VARIABLES)
SleepConditionVariableCS(&m_handle, lock.mutex()->native_handle(), INFINITE);
#else
// TODO: broken, the unlock and wait need to be atomic
lock.unlock();
WaitForSingleObject(m_handle, INFINITE);
lock.lock();
#endif
#else
pthread_cond_wait(&m_handle, lock.mutex()->native_handle());
#endif
}
template <class Predicate>
void wait(unique_lock<mutex>& lock, Predicate pred)
{
while (!pred())
wait(lock);
}
//template <class Clock, class Duration>
//cv_status wait_until(unique_lock<mutex>& lock,
// const chrono::time_point<Clock, Duration>& abs_time);
//template <class Clock, class Duration, class Predicate>
// bool wait_until(unique_lock<mutex>& lock,
// const chrono::time_point<Clock, Duration>& abs_time,
// Predicate pred);
//template <class Rep, class Period>
//cv_status wait_for(unique_lock<mutex>& lock,
// const chrono::duration<Rep, Period>& rel_time);
//template <class Rep, class Period, class Predicate>
// bool wait_for(unique_lock<mutex>& lock,
// const chrono::duration<Rep, Period>& rel_time,
// Predicate pred);
native_handle_type native_handle()
{
#ifdef USE_EVENTS
return m_handle;
#else
return &m_handle;
#endif
}
private:
native_type m_handle;
};
}
#endif

362
src/common/std_mutex.h
View File

@ -1,362 +0,0 @@
#pragma once
#define GCC_VER(x,y,z) ((x) * 10000 + (y) * 100 + (z))
#define GCC_VERSION GCC_VER(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
#ifndef __has_include
#define __has_include(s) 0
#endif
#if GCC_VERSION >= GCC_VER(4,4,0) && __GXX_EXPERIMENTAL_CXX0X__
// GCC 4.4 provides <mutex>
#include <mutex>
#elif __has_include(<mutex>) && !ANDROID
// Clang + libc++
#include <mutex>
#else
// partial <mutex> implementation for win32/pthread
#include <algorithm>
#if defined(_WIN32)
// WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#else
// POSIX
#include <pthread.h>
#endif
#if (_MSC_VER >= 1600) || (GCC_VERSION >= GCC_VER(4,3,0) && __GXX_EXPERIMENTAL_CXX0X__)
#define USE_RVALUE_REFERENCES
#endif
#if defined(_WIN32) && defined(_M_X64)
#define USE_SRWLOCKS
#endif
namespace std
{
class recursive_mutex
{
#ifdef _WIN32
typedef CRITICAL_SECTION native_type;
#else
typedef pthread_mutex_t native_type;
#endif
public:
typedef native_type* native_handle_type;
recursive_mutex(const recursive_mutex&) /*= delete*/;
recursive_mutex& operator=(const recursive_mutex&) /*= delete*/;
recursive_mutex()
{
#ifdef _WIN32
InitializeCriticalSection(&m_handle);
#else
pthread_mutexattr_t attr;
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&m_handle, &attr);
#endif
}
~recursive_mutex()
{
#ifdef _WIN32
DeleteCriticalSection(&m_handle);
#else
pthread_mutex_destroy(&m_handle);
#endif
}
void lock()
{
#ifdef _WIN32
EnterCriticalSection(&m_handle);
#else
pthread_mutex_lock(&m_handle);
#endif
}
void unlock()
{
#ifdef _WIN32
LeaveCriticalSection(&m_handle);
#else
pthread_mutex_unlock(&m_handle);
#endif
}
bool try_lock()
{
#ifdef _WIN32
return (0 != TryEnterCriticalSection(&m_handle));
#else
return !pthread_mutex_trylock(&m_handle);
#endif
}
native_handle_type native_handle()
{
return &m_handle;
}
private:
native_type m_handle;
};
#if !defined(_WIN32) || defined(USE_SRWLOCKS)
class mutex
{
#ifdef _WIN32
typedef SRWLOCK native_type;
#else
typedef pthread_mutex_t native_type;
#endif
public:
typedef native_type* native_handle_type;
mutex(const mutex&) /*= delete*/;
mutex& operator=(const mutex&) /*= delete*/;
mutex()
{
#ifdef _WIN32
InitializeSRWLock(&m_handle);
#else
pthread_mutex_init(&m_handle, NULL);
#endif
}
~mutex()
{
#ifdef _WIN32
#else
pthread_mutex_destroy(&m_handle);
#endif
}
void lock()
{
#ifdef _WIN32
AcquireSRWLockExclusive(&m_handle);
#else
pthread_mutex_lock(&m_handle);
#endif
}
void unlock()
{
#ifdef _WIN32
ReleaseSRWLockExclusive(&m_handle);
#else
pthread_mutex_unlock(&m_handle);
#endif
}
bool try_lock()
{
#ifdef _WIN32
// XXX TryAcquireSRWLockExclusive requires Windows 7!
// return (0 != TryAcquireSRWLockExclusive(&m_handle));
return false;
#else
return !pthread_mutex_trylock(&m_handle);
#endif
}
native_handle_type native_handle()
{
return &m_handle;
}
private:
native_type m_handle;
};
#else
typedef recursive_mutex mutex; // just use CriticalSections
#endif
enum defer_lock_t { defer_lock };
enum try_to_lock_t { try_to_lock };
enum adopt_lock_t { adopt_lock };
template <class Mutex>
class lock_guard
{
public:
typedef Mutex mutex_type;
explicit lock_guard(mutex_type& m)
: pm(m)
{
m.lock();
}
lock_guard(mutex_type& m, adopt_lock_t)
: pm(m)
{
}
~lock_guard()
{
pm.unlock();
}
lock_guard(lock_guard const&) /*= delete*/;
lock_guard& operator=(lock_guard const&) /*= delete*/;
private:
mutex_type& pm;
};
template <class Mutex>
class unique_lock
{
public:
typedef Mutex mutex_type;
unique_lock()
: pm(NULL), owns(false)
{}
/*explicit*/ unique_lock(mutex_type& m)
: pm(&m), owns(true)
{
m.lock();
}
unique_lock(mutex_type& m, defer_lock_t)
: pm(&m), owns(false)
{}
unique_lock(mutex_type& m, try_to_lock_t)
: pm(&m), owns(m.try_lock())
{}
unique_lock(mutex_type& m, adopt_lock_t)
: pm(&m), owns(true)
{}
//template <class Clock, class Duration>
//unique_lock(mutex_type& m, const chrono::time_point<Clock, Duration>& abs_time);
//template <class Rep, class Period>
//unique_lock(mutex_type& m, const chrono::duration<Rep, Period>& rel_time);
~unique_lock()
{
if (owns_lock())
mutex()->unlock();
}
#ifdef USE_RVALUE_REFERENCES
unique_lock& operator=(const unique_lock&) /*= delete*/;
unique_lock& operator=(unique_lock&& other)
{
#else
unique_lock& operator=(const unique_lock& u)
{
// ugly const_cast to get around lack of rvalue references
unique_lock& other = const_cast<unique_lock&>(u);
#endif
swap(other);
return *this;
}
#ifdef USE_RVALUE_REFERENCES
unique_lock(const unique_lock&) /*= delete*/;
unique_lock(unique_lock&& other)
: pm(NULL), owns(false)
{
#else
unique_lock(const unique_lock& u)
: pm(NULL), owns(false)
{
// ugly const_cast to get around lack of rvalue references
unique_lock& other = const_cast<unique_lock&>(u);
#endif
swap(other);
}
void lock()
{
mutex()->lock();
owns = true;
}
bool try_lock()
{
owns = mutex()->try_lock();
return owns;
}
//template <class Rep, class Period>
//bool try_lock_for(const chrono::duration<Rep, Period>& rel_time);
//template <class Clock, class Duration>
//bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time);
void unlock()
{
mutex()->unlock();
owns = false;
}
void swap(unique_lock& u)
{
std::swap(pm, u.pm);
std::swap(owns, u.owns);
}
mutex_type* release()
{
auto const ret = mutex();
pm = NULL;
owns = false;
return ret;
}
bool owns_lock() const
{
return owns;
}
//explicit operator bool () const
//{
// return owns_lock();
//}
mutex_type* mutex() const
{
return pm;
}
private:
mutex_type* pm;
bool owns;
};
template <class Mutex>
void swap(unique_lock<Mutex>& x, unique_lock<Mutex>& y)
{
x.swap(y);
}
}
#endif

314
src/common/std_thread.h
View File

@ -1,314 +0,0 @@
#pragma once
#define GCC_VER(x,y,z) ((x) * 10000 + (y) * 100 + (z))
#define GCC_VERSION GCC_VER(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
#ifndef __has_include
#define __has_include(s) 0
#endif
#if GCC_VERSION >= GCC_VER(4,4,0) && __GXX_EXPERIMENTAL_CXX0X__
// GCC 4.4 provides <thread>
#ifndef _GLIBCXX_USE_SCHED_YIELD
#define _GLIBCXX_USE_SCHED_YIELD
#endif
#include <thread>
#elif __has_include(<thread>) && !ANDROID
// Clang + libc++
#include <thread>
#else
// partial std::thread implementation for win32/pthread
#include <algorithm>
#if (_MSC_VER >= 1600) || (GCC_VERSION >= GCC_VER(4,3,0) && __GXX_EXPERIMENTAL_CXX0X__)
#define USE_RVALUE_REFERENCES
#endif
#ifdef __APPLE__
#import <Foundation/NSAutoreleasePool.h>
#endif
#if defined(_WIN32)
// WIN32
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#if defined(_MSC_VER) && defined(_MT)
// When linking with LIBCMT (the multithreaded C library), Microsoft recommends
// using _beginthreadex instead of CreateThread.
#define USE_BEGINTHREADEX
#include <process.h>
#endif
#ifdef USE_BEGINTHREADEX
#define THREAD_ID unsigned
#define THREAD_RETURN unsigned __stdcall
#else
#define THREAD_ID DWORD
#define THREAD_RETURN DWORD WINAPI
#endif
#define THREAD_HANDLE HANDLE
#else
// PTHREAD
#include <unistd.h>
#ifndef _POSIX_THREADS
#error unsupported platform (no pthreads?)
#endif
#include <pthread.h>
#define THREAD_ID pthread_t
#define THREAD_HANDLE pthread_t
#define THREAD_RETURN void*
#endif
namespace std
{
class thread
{
public:
typedef THREAD_HANDLE native_handle_type;
class id
{
friend class thread;
public:
id() : m_thread(0) {}
id(THREAD_ID _id) : m_thread(_id) {}
bool operator==(const id& rhs) const
{
return m_thread == rhs.m_thread;
}
bool operator!=(const id& rhs) const
{
return !(*this == rhs);
}
bool operator<(const id& rhs) const
{
return m_thread < rhs.m_thread;
}
private:
THREAD_ID m_thread;
};
// no variadic template support in msvc
//template <typename C, typename... A>
//thread(C&& func, A&&... args);
template <typename C>
thread(C func)
{
StartThread(new Func<C>(func));
}
template <typename C, typename A>
thread(C func, A arg)
{
StartThread(new FuncArg<C, A>(func, arg));
}
thread() /*= default;*/ {}
#ifdef USE_RVALUE_REFERENCES
thread(const thread&) /*= delete*/;
thread(thread&& other)
{
#else
thread(const thread& t)
{
// ugly const_cast to get around lack of rvalue references
thread& other = const_cast<thread&>(t);
#endif
swap(other);
}
#ifdef USE_RVALUE_REFERENCES
thread& operator=(const thread&) /*= delete*/;
thread& operator=(thread&& other)
{
#else
thread& operator=(const thread& t)
{
// ugly const_cast to get around lack of rvalue references
thread& other = const_cast<thread&>(t);
#endif
if (joinable())
detach();
swap(other);
return *this;
}
~thread()
{
if (joinable())
detach();
}
bool joinable() const
{
return m_id != id();
}
id get_id() const
{
return m_id;
}
native_handle_type native_handle()
{
#ifdef _WIN32
return m_handle;
#else
return m_id.m_thread;
#endif
}
void join()
{
#ifdef _WIN32
WaitForSingleObject(m_handle, INFINITE);
detach();
#else
pthread_join(m_id.m_thread, NULL);
m_id = id();
#endif
}
void detach()
{
#ifdef _WIN32
CloseHandle(m_handle);
#else
pthread_detach(m_id.m_thread);
#endif
m_id = id();
}
void swap(thread& other)
{
std::swap(m_id, other.m_id);
#ifdef _WIN32
std::swap(m_handle, other.m_handle);
#endif
}
static unsigned hardware_concurrency()
{
#ifdef _WIN32
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
return static_cast<unsigned>(sysinfo.dwNumberOfProcessors);
#else
return 0;
#endif
}
private:
id m_id;
#ifdef _WIN32
native_handle_type m_handle;
#endif
template <typename F>
void StartThread(F* param)
{
#ifdef USE_BEGINTHREADEX
m_handle = (HANDLE)_beginthreadex(NULL, 0, &RunAndDelete<F>, param, 0, &m_id.m_thread);
#elif defined(_WIN32)
m_handle = CreateThread(NULL, 0, &RunAndDelete<F>, param, 0, &m_id.m_thread);
#else
pthread_attr_t attr;
pthread_attr_init(&attr);
pthread_attr_setstacksize(&attr, 1024 * 1024);
if (pthread_create(&m_id.m_thread, &attr, &RunAndDelete<F>, param))
m_id = id();
#endif
}
template <typename C>
class Func
{
public:
Func(C _func) : func(_func) {}
void Run() { func(); }
private:
C const func;
};
template <typename C, typename A>
class FuncArg
{
public:
FuncArg(C _func, A _arg) : func(_func), arg(_arg) {}
void Run() { func(arg); }
private:
C const func;
A arg;
};
template <typename F>
static THREAD_RETURN RunAndDelete(void* param)
{
#ifdef __APPLE__
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
#endif
static_cast<F*>(param)->Run();
delete static_cast<F*>(param);
#ifdef __APPLE__
[pool release];
#endif
return 0;
}
};
namespace this_thread
{
inline void yield()
{
#ifdef _WIN32
SwitchToThread();
#else
sleep(0);
#endif
}
inline thread::id get_id()
{
#ifdef _WIN32
return GetCurrentThreadId();
#else
return pthread_self();
#endif
}
} // namespace this_thread
} // namespace std
#undef USE_RVALUE_REFERENCES
#undef USE_BEGINTHREADEX
#undef THREAD_ID
#undef THREAD_RETURN
#undef THREAD_HANDLE
#endif

6
src/common/thread.cpp
View File

@ -9,10 +9,8 @@
#include <mach/mach.h> #include <mach/mach.h>
#elif defined(BSD4_4) || defined(__OpenBSD__) #elif defined(BSD4_4) || defined(__OpenBSD__)
#include <pthread_np.h> #include <pthread_np.h>
#endif
#ifdef USE_BEGINTHREADEX
#include <process.h>
#elif defined(_WIN32)
#include <Windows.h>
#endif #endif
namespace Common namespace Common

7
src/common/thread.h
View File

@ -4,14 +4,13 @@
#pragma once #pragma once
#include "common/std_condition_variable.h"
#include "common/std_mutex.h"
#include "common/std_thread.h"
// Don't include common.h here as it will break LogManager // Don't include common.h here as it will break LogManager
#include "common/common_types.h" #include "common/common_types.h"
#include <cstdio> #include <cstdio>
#include <cstring> #include <cstring>
#include <thread>
#include <condition_variable>
#include <mutex>
// This may not be defined outside _WIN32 // This may not be defined outside _WIN32
#ifndef _WIN32 #ifndef _WIN32

2
src/core/core_timing.cpp
View File

@ -5,9 +5,9 @@
#include <vector> #include <vector>
#include <cstdio> #include <cstdio>
#include <atomic> #include <atomic>
#include <mutex>
#include "common/msg_handler.h" #include "common/msg_handler.h"
#include "common/std_mutex.h"
#include "common/chunk_file.h" #include "common/chunk_file.h"
#include "core/core_timing.h" #include "core/core_timing.h"

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