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Fully working audacity windows build

Signed-off-by: falkTX <falktx@falktx.com>
pull/10/head
falkTX 4 months ago
parent
commit
e25901c2ba
Signed by: falkTX <falktx@falktx.com> GPG Key ID: CDBAA37ABC74FBA0
21 changed files with 2096 additions and 5 deletions
  1. +8
    -5
      build-audacity.sh
  2. +3
    -0
      patches/audacity/mingw/condition_variable
  3. +555
    -0
      patches/audacity/mingw/mingw.condition_variable.h
  4. +109
    -0
      patches/audacity/mingw/mingw.invoke.h
  5. +484
    -0
      patches/audacity/mingw/mingw.mutex.h
  6. +496
    -0
      patches/audacity/mingw/mingw.shared_mutex.h
  7. +333
    -0
      patches/audacity/mingw/mingw.thread.h
  8. +3
    -0
      patches/audacity/mingw/mutex
  9. +3
    -0
      patches/audacity/mingw/thread
  10. +0
    -0
      patches/audacity/win32/01_build-fix-pt1.patch
  11. +0
    -0
      patches/audacity/win32/02_build-fix-pt2.patch
  12. +0
    -0
      patches/audacity/win32/03_build-fix-pt3.patch
  13. +64
    -0
      patches/audacity/win32/04_build-fix-pt4.patch
  14. +0
    -0
      patches/audacity/win32/05_build-fix-pt5.patch
  15. +33
    -0
      patches/audacity/win32/06_build-fix-pt6.patch
  16. +1
    -0
      patches/audacity/win64/01_build-fix-pt1.patch
  17. +1
    -0
      patches/audacity/win64/02_build-fix-pt2.patch
  18. +1
    -0
      patches/audacity/win64/03_build-fix-pt3.patch
  19. +0
    -0
      patches/audacity/win64/04_build-fix-pt4.patch
  20. +1
    -0
      patches/audacity/win64/05_build-fix-pt5.patch
  21. +1
    -0
      patches/audacity/win64/06_build-fix-pt6.patch

+ 8
- 5
build-audacity.sh View File

@@ -68,12 +68,15 @@ audacity_args+=" -Daudacity_use_pa_jack=off"
if [ "${WIN32}" -eq 1 ]; then
audacity_args+=" -DwxWidgets_FIND_STYLE=win32" # FIXME needs forcing
audacity_args+=" -DwxWidgets_ROOT_DIR=${PAWPAW_PREFIX}"
audacity_args+=" -DwxWidgets_LIB_DIR=${PAWPAW_PREFIX}/lib/gcc_x64_dll"
if [ "${WIN64}" -eq 1 ]; then
audacity_args+=" -DwxWidgets_LIB_DIR=${PAWPAW_PREFIX}/lib/gcc_x64_dll"
else
audacity_args+=" -DwxWidgets_LIB_DIR=${PAWPAW_PREFIX}/lib/gcc_dll"
fi
audacity_args+=" -DwxWidgets_CONFIGURATION=mswu"
audacity_args+=" -DWX_ROOT_DIR=${PAWPAW_PREFIX}"
win32_target=_WIN32_WINNT_WIN7
export EXTRA_CXXFLAGS="-DWINVER=${win32_target} -D_WIN32_WINNT=${win32_target} -D_WIN32_IE=${win32_target}"
export EXTRA_LDFLAGS="-lpthread -lz" # FIXME not working!
fi

if [ ${using_qt} -eq 1 ]; then
@@ -81,9 +84,9 @@ if [ ${using_qt} -eq 1 ]; then
export EXTRA_CXXFLAGS+=" -I${PAWPAW_PREFIX}/include/qt5"
fi

# TODO
# 1. linker flags end up with -lLIB_m-NOTFOUND
# 2. win32 build requires copying std mingw mutex workarounds
if [ ! -e ${PAWPAW_PREFIX}/include/mutex ]; then
cp patches/audacity/mingw/* ${PAWPAW_PREFIX}/include/
fi

download audacity "e93fdd16c50d9d4630bc64595990e2ee0f96bc17" "https://github.com/KXStudio/audacity.git" "" "git"
build_cmake audacity "e93fdd16c50d9d4630bc64595990e2ee0f96bc17" "${audacity_args}"


+ 3
- 0
patches/audacity/mingw/condition_variable View File

@@ -0,0 +1,3 @@
#pragma once
#include_next <condition_variable>
#include "mingw.condition_variable.h"

+ 555
- 0
patches/audacity/mingw/mingw.condition_variable.h View File

@@ -0,0 +1,555 @@
/**
* @file condition_variable.h
* @brief std::condition_variable implementation for MinGW
*
* (c) 2013-2016 by Mega Limited, Auckland, New Zealand
* @author Alexander Vassilev
*
* @copyright Simplified (2-clause) BSD License.
* You should have received a copy of the license along with this
* program.
*
* This code 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.
* @note
* This file may become part of the mingw-w64 runtime package. If/when this happens,
* the appropriate license will be added, i.e. this code will become dual-licensed,
* and the current BSD 2-clause license will stay.
*/
#ifndef MINGW_CONDITIONAL_VARIABLE_H
#define MINGW_CONDITIONAL_VARIABLE_H
#if !defined(__cplusplus) || (__cplusplus < 201103L)
#error A C++11 compiler is required!
#endif
// Use the standard classes for std::, if available.
#include <condition_variable>
#include <cassert>
#include <chrono>
#include <system_error>
#include <sdkddkver.h> // Detect Windows version.
#if (WINVER < _WIN32_WINNT_VISTA)
#include <atomic>
#include <windef.h>
#include <winbase.h> // For CreateSemaphore
#include <handleapi.h>
#endif
#include <synchapi.h>
#include "mingw.mutex.h"
#include "mingw.shared_mutex.h"
#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
#error To use the MinGW-std-threads library, you will need to define the macro _WIN32_WINNT to be 0x0501 (Windows XP) or higher.
#endif
namespace mingw_stdthread
{
#if defined(__MINGW32__ ) && !defined(_GLIBCXX_HAS_GTHREADS)
enum class cv_status { no_timeout, timeout };
#else
using std::cv_status;
#endif
namespace xp
{
// Include the XP-compatible condition_variable classes only if actually
// compiling for XP. The XP-compatible classes are slower than the newer
// versions, and depend on features not compatible with Windows Phone 8.
#if (WINVER < _WIN32_WINNT_VISTA)
class condition_variable_any
{
recursive_mutex mMutex {};
std::atomic<int> mNumWaiters {0};
HANDLE mSemaphore;
HANDLE mWakeEvent {};
public:
using native_handle_type = HANDLE;
native_handle_type native_handle()
{
return mSemaphore;
}
condition_variable_any(const condition_variable_any&) = delete;
condition_variable_any& operator=(const condition_variable_any&) = delete;
condition_variable_any()
: mSemaphore(CreateSemaphoreA(NULL, 0, 0xFFFF, NULL))
{
if (mSemaphore == NULL)
throw std::system_error(GetLastError(), std::generic_category());
mWakeEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (mWakeEvent == NULL)
{
CloseHandle(mSemaphore);
throw std::system_error(GetLastError(), std::generic_category());
}
}
~condition_variable_any()
{
CloseHandle(mWakeEvent);
CloseHandle(mSemaphore);
}
private:
template <class M>
bool wait_impl(M& lock, DWORD timeout)
{
{
lock_guard<recursive_mutex> guard(mMutex);
mNumWaiters++;
}
lock.unlock();
DWORD ret = WaitForSingleObject(mSemaphore, timeout);
mNumWaiters--;
SetEvent(mWakeEvent);
lock.lock();
if (ret == WAIT_OBJECT_0)
return true;
else if (ret == WAIT_TIMEOUT)
return false;
//2 possible cases:
//1)The point in notify_all() where we determine the count to
//increment the semaphore with has not been reached yet:
//we just need to decrement mNumWaiters, but setting the event does not hurt
//
//2)Semaphore has just been released with mNumWaiters just before
//we decremented it. This means that the semaphore count
//after all waiters finish won't be 0 - because not all waiters
//woke up by acquiring the semaphore - we woke up by a timeout.
//The notify_all() must handle this gracefully
//
else
{
using namespace std;
throw system_error(make_error_code((errc)EPROTO));
}
}
public:
template <class M>
void wait(M& lock)
{
wait_impl(lock, INFINITE);
}
template <class M, class Predicate>
void wait(M& lock, Predicate pred)
{
while(!pred())
{
wait(lock);
};
}
void notify_all() noexcept
{
lock_guard<recursive_mutex> lock(mMutex); //block any further wait requests until all current waiters are unblocked
if (mNumWaiters.load() <= 0)
return;
ReleaseSemaphore(mSemaphore, mNumWaiters, NULL);
while(mNumWaiters > 0)
{
auto ret = WaitForSingleObject(mWakeEvent, 1000);
if (ret == WAIT_FAILED || ret == WAIT_ABANDONED)
std::terminate();
}
assert(mNumWaiters == 0);
//in case some of the waiters timed out just after we released the
//semaphore by mNumWaiters, it won't be zero now, because not all waiters
//woke up by acquiring the semaphore. So we must zero the semaphore before
//we accept waiters for the next event
//See _wait_impl for details
while(WaitForSingleObject(mSemaphore, 0) == WAIT_OBJECT_0);
}
void notify_one() noexcept
{
lock_guard<recursive_mutex> lock(mMutex);
int targetWaiters = mNumWaiters.load() - 1;
if (targetWaiters <= -1)
return;
ReleaseSemaphore(mSemaphore, 1, NULL);
while(mNumWaiters > targetWaiters)
{
auto ret = WaitForSingleObject(mWakeEvent, 1000);
if (ret == WAIT_FAILED || ret == WAIT_ABANDONED)
std::terminate();
}
assert(mNumWaiters == targetWaiters);
}
template <class M, class Rep, class Period>
cv_status wait_for(M& lock,
const std::chrono::duration<Rep, Period>& rel_time)
{
using namespace std::chrono;
auto timeout = duration_cast<milliseconds>(rel_time).count();
DWORD waittime = (timeout < INFINITE) ? ((timeout < 0) ? 0 : static_cast<DWORD>(timeout)) : (INFINITE - 1);
bool ret = wait_impl(lock, waittime) || (timeout >= INFINITE);
return ret?cv_status::no_timeout:cv_status::timeout;
}
template <class M, class Rep, class Period, class Predicate>
bool wait_for(M& lock,
const std::chrono::duration<Rep, Period>& rel_time, Predicate pred)
{
return wait_until(lock, std::chrono::steady_clock::now()+rel_time, pred);
}
template <class M, class Clock, class Duration>
cv_status wait_until (M& lock,
const std::chrono::time_point<Clock,Duration>& abs_time)
{
return wait_for(lock, abs_time - Clock::now());
}
template <class M, class Clock, class Duration, class Predicate>
bool wait_until (M& lock,
const std::chrono::time_point<Clock, Duration>& abs_time,
Predicate pred)
{
while (!pred())
{
if (wait_until(lock, abs_time) == cv_status::timeout)
{
return pred();
}
}
return true;
}
};
class condition_variable: condition_variable_any
{
using base = condition_variable_any;
public:
using base::native_handle_type;
using base::native_handle;
using base::base;
using base::notify_all;
using base::notify_one;
void wait(unique_lock<mutex> &lock)
{
base::wait(lock);
}
template <class Predicate>
void wait(unique_lock<mutex>& lock, Predicate pred)
{
base::wait(lock, pred);
}
template <class Rep, class Period>
cv_status wait_for(unique_lock<mutex>& lock, const std::chrono::duration<Rep, Period>& rel_time)
{
return base::wait_for(lock, rel_time);
}
template <class Rep, class Period, class Predicate>
bool wait_for(unique_lock<mutex>& lock, const std::chrono::duration<Rep, Period>& rel_time, Predicate pred)
{
return base::wait_for(lock, rel_time, pred);
}
template <class Clock, class Duration>
cv_status wait_until (unique_lock<mutex>& lock, const std::chrono::time_point<Clock,Duration>& abs_time)
{
return base::wait_until(lock, abs_time);
}
template <class Clock, class Duration, class Predicate>
bool wait_until (unique_lock<mutex>& lock, const std::chrono::time_point<Clock, Duration>& abs_time, Predicate pred)
{
return base::wait_until(lock, abs_time, pred);
}
};
#endif // Compiling for XP
} // Namespace mingw_stdthread::xp
#if (WINVER >= _WIN32_WINNT_VISTA)
namespace vista
{
// If compiling for Vista or higher, use the native condition variable.
class condition_variable
{
static constexpr DWORD kInfinite = 0xffffffffl;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
CONDITION_VARIABLE cvariable_ = CONDITION_VARIABLE_INIT;
#pragma GCC diagnostic pop
friend class condition_variable_any;
#if STDMUTEX_RECURSION_CHECKS
template<typename MTX>
inline static void before_wait (MTX * pmutex)
{
pmutex->mOwnerThread.checkSetOwnerBeforeUnlock();
}
template<typename MTX>
inline static void after_wait (MTX * pmutex)
{
pmutex->mOwnerThread.setOwnerAfterLock(GetCurrentThreadId());
}
#else
inline static void before_wait (void *) { }
inline static void after_wait (void *) { }
#endif
bool wait_impl (unique_lock<xp::mutex> & lock, DWORD time)
{
using mutex_handle_type = typename xp::mutex::native_handle_type;
static_assert(std::is_same<mutex_handle_type, PCRITICAL_SECTION>::value,
"Native Win32 condition variable requires std::mutex to \
use native Win32 critical section objects.");
xp::mutex * pmutex = lock.release();
before_wait(pmutex);
BOOL success = SleepConditionVariableCS(&cvariable_,
pmutex->native_handle(),
time);
after_wait(pmutex);
lock = unique_lock<xp::mutex>(*pmutex, adopt_lock);
return success;
}
bool wait_unique (windows7::mutex * pmutex, DWORD time)
{
before_wait(pmutex);
BOOL success = SleepConditionVariableSRW( native_handle(),
pmutex->native_handle(),
time,
// CONDITION_VARIABLE_LOCKMODE_SHARED has a value not specified by
// Microsoft's Dev Center, but is known to be (convertible to) a ULONG. To
// ensure that the value passed to this function is not equal to Microsoft's
// constant, we can either use a static_assert, or simply generate an
// appropriate value.
!CONDITION_VARIABLE_LOCKMODE_SHARED);
after_wait(pmutex);
return success;
}
bool wait_impl (unique_lock<windows7::mutex> & lock, DWORD time)
{
windows7::mutex * pmutex = lock.release();
bool success = wait_unique(pmutex, time);
lock = unique_lock<windows7::mutex>(*pmutex, adopt_lock);
return success;
}
public:
using native_handle_type = PCONDITION_VARIABLE;
native_handle_type native_handle (void)
{
return &cvariable_;
}
condition_variable (void) = default;
~condition_variable (void) = default;
condition_variable (const condition_variable &) = delete;
condition_variable & operator= (const condition_variable &) = delete;
void notify_one (void) noexcept
{
WakeConditionVariable(&cvariable_);
}
void notify_all (void) noexcept
{
WakeAllConditionVariable(&cvariable_);
}
void wait (unique_lock<mutex> & lock)
{
wait_impl(lock, kInfinite);
}
template<class Predicate>
void wait (unique_lock<mutex> & lock, Predicate pred)
{
while (!pred())
wait(lock);
}
template <class Rep, class Period>
cv_status wait_for(unique_lock<mutex>& lock,
const std::chrono::duration<Rep, Period>& rel_time)
{
using namespace std::chrono;
auto timeout = duration_cast<milliseconds>(rel_time).count();
DWORD waittime = (timeout < kInfinite) ? ((timeout < 0) ? 0 : static_cast<DWORD>(timeout)) : (kInfinite - 1);
bool result = wait_impl(lock, waittime) || (timeout >= kInfinite);
return result ? cv_status::no_timeout : cv_status::timeout;
}
template <class Rep, class Period, class Predicate>
bool wait_for(unique_lock<mutex>& lock,
const std::chrono::duration<Rep, Period>& rel_time,
Predicate pred)
{
return wait_until(lock,
std::chrono::steady_clock::now() + rel_time,
std::move(pred));
}
template <class Clock, class Duration>
cv_status wait_until (unique_lock<mutex>& lock,
const std::chrono::time_point<Clock,Duration>& abs_time)
{
return wait_for(lock, abs_time - Clock::now());
}
template <class Clock, class Duration, class Predicate>
bool wait_until (unique_lock<mutex>& lock,
const std::chrono::time_point<Clock, Duration>& abs_time,
Predicate pred)
{
while (!pred())
{
if (wait_until(lock, abs_time) == cv_status::timeout)
{
return pred();
}
}
return true;
}
};
class condition_variable_any
{
static constexpr DWORD kInfinite = 0xffffffffl;
using native_shared_mutex = windows7::shared_mutex;
condition_variable internal_cv_ {};
// When available, the SRW-based mutexes should be faster than the
// CriticalSection-based mutexes. Only try_lock will be unavailable in Vista,
// and try_lock is not used by condition_variable_any.
windows7::mutex internal_mutex_ {};
template<class L>
bool wait_impl (L & lock, DWORD time)
{
unique_lock<decltype(internal_mutex_)> internal_lock(internal_mutex_);
lock.unlock();
bool success = internal_cv_.wait_impl(internal_lock, time);
lock.lock();
return success;
}
// If the lock happens to be called on a native Windows mutex, skip any extra
// contention.
inline bool wait_impl (unique_lock<mutex> & lock, DWORD time)
{
return internal_cv_.wait_impl(lock, time);
}
// Some shared_mutex functionality is available even in Vista, but it's not
// until Windows 7 that a full implementation is natively possible. The class
// itself is defined, with missing features, at the Vista feature level.
bool wait_impl (unique_lock<native_shared_mutex> & lock, DWORD time)
{
native_shared_mutex * pmutex = lock.release();
bool success = internal_cv_.wait_unique(pmutex, time);
lock = unique_lock<native_shared_mutex>(*pmutex, adopt_lock);
return success;
}
bool wait_impl (shared_lock<native_shared_mutex> & lock, DWORD time)
{
native_shared_mutex * pmutex = lock.release();
BOOL success = SleepConditionVariableSRW(native_handle(),
pmutex->native_handle(), time,
CONDITION_VARIABLE_LOCKMODE_SHARED);
lock = shared_lock<native_shared_mutex>(*pmutex, adopt_lock);
return success;
}
public:
using native_handle_type = typename condition_variable::native_handle_type;
native_handle_type native_handle (void)
{
return internal_cv_.native_handle();
}
void notify_one (void) noexcept
{
internal_cv_.notify_one();
}
void notify_all (void) noexcept
{
internal_cv_.notify_all();
}
condition_variable_any (void) = default;
~condition_variable_any (void) = default;
template<class L>
void wait (L & lock)
{
wait_impl(lock, kInfinite);
}
template<class L, class Predicate>
void wait (L & lock, Predicate pred)
{
while (!pred())
wait(lock);
}
template <class L, class Rep, class Period>
cv_status wait_for(L& lock, const std::chrono::duration<Rep,Period>& period)
{
using namespace std::chrono;
auto timeout = duration_cast<milliseconds>(period).count();
DWORD waittime = (timeout < kInfinite) ? ((timeout < 0) ? 0 : static_cast<DWORD>(timeout)) : (kInfinite - 1);
bool result = wait_impl(lock, waittime) || (timeout >= kInfinite);
return result ? cv_status::no_timeout : cv_status::timeout;
}
template <class L, class Rep, class Period, class Predicate>
bool wait_for(L& lock, const std::chrono::duration<Rep, Period>& period,
Predicate pred)
{
return wait_until(lock, std::chrono::steady_clock::now() + period,
std::move(pred));
}
template <class L, class Clock, class Duration>
cv_status wait_until (L& lock,
const std::chrono::time_point<Clock,Duration>& abs_time)
{
return wait_for(lock, abs_time - Clock::now());
}
template <class L, class Clock, class Duration, class Predicate>
bool wait_until (L& lock,
const std::chrono::time_point<Clock, Duration>& abs_time,
Predicate pred)
{
while (!pred())
{
if (wait_until(lock, abs_time) == cv_status::timeout)
{
return pred();
}
}
return true;
}
};
} // Namespace vista
#endif
#if WINVER < 0x0600
using xp::condition_variable;
using xp::condition_variable_any;
#else
using vista::condition_variable;
using vista::condition_variable_any;
#endif
} // Namespace mingw_stdthread
// Push objects into std, but only if they are not already there.
namespace std
{
// Because of quirks of the compiler, the common "using namespace std;"
// directive would flatten the namespaces and introduce ambiguity where there
// was none. Direct specification (std::), however, would be unaffected.
// Take the safe option, and include only in the presence of MinGW's win32
// implementation.
#if defined(__MINGW32__ ) && !defined(_GLIBCXX_HAS_GTHREADS)
using mingw_stdthread::cv_status;
using mingw_stdthread::condition_variable;
using mingw_stdthread::condition_variable_any;
#elif !defined(MINGW_STDTHREAD_REDUNDANCY_WARNING) // Skip repetition
#define MINGW_STDTHREAD_REDUNDANCY_WARNING
#pragma message "This version of MinGW seems to include a win32 port of\
pthreads, and probably already has C++11 std threading classes implemented,\
based on pthreads. These classes, found in namespace std, are not overridden\
by the mingw-std-thread library. If you would still like to use this\
implementation (as it is more lightweight), use the classes provided in\
namespace mingw_stdthread."
#endif
}
#endif // MINGW_CONDITIONAL_VARIABLE_H

+ 109
- 0
patches/audacity/mingw/mingw.invoke.h View File

@@ -0,0 +1,109 @@
/// \file mingw.invoke.h
/// \brief Lightweight `invoke` implementation, for C++11 and C++14.
///
/// (c) 2018-2019 by Nathaniel J. McClatchey, San Jose, CA, United States
/// \author Nathaniel J. McClatchey, PhD
///
/// \copyright Simplified (2-clause) BSD License.
///
/// \note This file may become part of the mingw-w64 runtime package. If/when
/// this happens, the appropriate license will be added, i.e. this code will
/// become dual-licensed, and the current BSD 2-clause license will stay.

#ifndef MINGW_INVOKE_H_
#define MINGW_INVOKE_H_

#include <type_traits> // For std::result_of, etc.
#include <utility> // For std::forward
#include <functional> // For std::reference_wrapper

namespace mingw_stdthread
{
namespace detail
{
// For compatibility, implement std::invoke for C++11 and C++14
#if __cplusplus < 201703L
template<bool PMemFunc, bool PMemData>
struct Invoker
{
template<class F, class... Args>
inline static typename std::result_of<F(Args...)>::type invoke (F&& f, Args&&... args)
{
return std::forward<F>(f)(std::forward<Args>(args)...);
}
};
template<bool>
struct InvokerHelper;

template<>
struct InvokerHelper<false>
{
template<class T1>
inline static auto get (T1&& t1) -> decltype(*std::forward<T1>(t1))
{
return *std::forward<T1>(t1);
}

template<class T1>
inline static auto get (const std::reference_wrapper<T1>& t1) -> decltype(t1.get())
{
return t1.get();
}
};

template<>
struct InvokerHelper<true>
{
template<class T1>
inline static auto get (T1&& t1) -> decltype(std::forward<T1>(t1))
{
return std::forward<T1>(t1);
}
};

template<>
struct Invoker<true, false>
{
template<class T, class F, class T1, class... Args>
inline static auto invoke (F T::* f, T1&& t1, Args&&... args) ->\
decltype((InvokerHelper<std::is_base_of<T,typename std::decay<T1>::type>::value>::get(std::forward<T1>(t1)).*f)(std::forward<Args>(args)...))
{
return (InvokerHelper<std::is_base_of<T,typename std::decay<T1>::type>::value>::get(std::forward<T1>(t1)).*f)(std::forward<Args>(args)...);
}
};

template<>
struct Invoker<false, true>
{
template<class T, class F, class T1, class... Args>
inline static auto invoke (F T::* f, T1&& t1, Args&&... args) ->\
decltype(InvokerHelper<std::is_base_of<T,typename std::decay<T1>::type>::value>::get(t1).*f)
{
return InvokerHelper<std::is_base_of<T,typename std::decay<T1>::type>::value>::get(t1).*f;
}
};

template<class F, class... Args>
struct InvokeResult
{
typedef Invoker<std::is_member_function_pointer<typename std::remove_reference<F>::type>::value,
std::is_member_object_pointer<typename std::remove_reference<F>::type>::value &&
(sizeof...(Args) == 1)> invoker;
inline static auto invoke (F&& f, Args&&... args) -> decltype(invoker::invoke(std::forward<F>(f), std::forward<Args>(args)...))
{
return invoker::invoke(std::forward<F>(f), std::forward<Args>(args)...);
};
};

template<class F, class...Args>
auto invoke (F&& f, Args&&... args) -> decltype(InvokeResult<F, Args...>::invoke(std::forward<F>(f), std::forward<Args>(args)...))
{
return InvokeResult<F, Args...>::invoke(std::forward<F>(f), std::forward<Args>(args)...);
}
#else
using std::invoke;
#endif
} // Namespace "detail"
} // Namespace "mingw_stdthread"

#endif

+ 484
- 0
patches/audacity/mingw/mingw.mutex.h View File

@@ -0,0 +1,484 @@
/**
* @file mingw.mutex.h
* @brief std::mutex et al implementation for MinGW
** (c) 2013-2016 by Mega Limited, Auckland, New Zealand
* @author Alexander Vassilev
*
* @copyright Simplified (2-clause) BSD License.
* You should have received a copy of the license along with this
* program.
*
* This code 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.
* @note
* This file may become part of the mingw-w64 runtime package. If/when this happens,
* the appropriate license will be added, i.e. this code will become dual-licensed,
* and the current BSD 2-clause license will stay.
*/
#ifndef WIN32STDMUTEX_H
#define WIN32STDMUTEX_H
#if !defined(__cplusplus) || (__cplusplus < 201103L)
#error A C++11 compiler is required!
#endif
// Recursion checks on non-recursive locks have some performance penalty, and
// the C++ standard does not mandate them. The user might want to explicitly
// enable or disable such checks. If the user has no preference, enable such
// checks in debug builds, but not in release builds.
#ifdef STDMUTEX_RECURSION_CHECKS
#elif defined(NDEBUG)
#define STDMUTEX_RECURSION_CHECKS 0
#else
#define STDMUTEX_RECURSION_CHECKS 1
#endif
#include <chrono>
#include <system_error>
#include <atomic>
#include <mutex> //need for call_once()
#if STDMUTEX_RECURSION_CHECKS || !defined(NDEBUG)
#include <cstdio>
#endif
#include <sdkddkver.h> // Detect Windows version.
#if STDMUTEX_RECURSION_CHECKS
#include <processthreadsapi.h> // For GetCurrentThreadId
#endif
#include <synchapi.h> // For InitializeCriticalSection, etc.
#include <errhandlingapi.h> // For GetLastError
#include <handleapi.h>
// Need for the implementation of invoke
#include "mingw.invoke.h"
#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
#error To use the MinGW-std-threads library, you will need to define the macro _WIN32_WINNT to be 0x0501 (Windows XP) or higher.
#endif
namespace mingw_stdthread
{
// The _NonRecursive class has mechanisms that do not play nice with direct
// manipulation of the native handle. This forward declaration is part of
// a friend class declaration.
#if STDMUTEX_RECURSION_CHECKS
namespace vista
{
class condition_variable;
}
#endif
// To make this namespace equivalent to the thread-related subset of std,
// pull in the classes and class templates supplied by std but not by this
// implementation.
using std::lock_guard;
using std::unique_lock;
using std::adopt_lock_t;
using std::defer_lock_t;
using std::try_to_lock_t;
using std::adopt_lock;
using std::defer_lock;
using std::try_to_lock;
class recursive_mutex
{
CRITICAL_SECTION mHandle;
public:
typedef LPCRITICAL_SECTION native_handle_type;
native_handle_type native_handle() {return &mHandle;}
recursive_mutex() noexcept : mHandle()
{
InitializeCriticalSection(&mHandle);
}
recursive_mutex (const recursive_mutex&) = delete;
recursive_mutex& operator=(const recursive_mutex&) = delete;
~recursive_mutex() noexcept
{
DeleteCriticalSection(&mHandle);
}
void lock()
{
EnterCriticalSection(&mHandle);
}
void unlock()
{
LeaveCriticalSection(&mHandle);
}
bool try_lock()
{
return (TryEnterCriticalSection(&mHandle)!=0);
}
};
#if STDMUTEX_RECURSION_CHECKS
struct _OwnerThread
{
// If this is to be read before locking, then the owner-thread variable must
// be atomic to prevent a torn read from spuriously causing errors.
std::atomic<DWORD> mOwnerThread;
constexpr _OwnerThread () noexcept : mOwnerThread(0) {}
static void on_deadlock (void)
{
using namespace std;
fprintf(stderr, "FATAL: Recursive locking of non-recursive mutex\
detected. Throwing system exception\n");
fflush(stderr);
throw system_error(make_error_code(errc::resource_deadlock_would_occur));
}
DWORD checkOwnerBeforeLock() const
{
DWORD self = GetCurrentThreadId();
if (mOwnerThread.load(std::memory_order_relaxed) == self)
on_deadlock();
return self;
}
void setOwnerAfterLock(DWORD id)
{
mOwnerThread.store(id, std::memory_order_relaxed);
}
void checkSetOwnerBeforeUnlock()
{
DWORD self = GetCurrentThreadId();
if (mOwnerThread.load(std::memory_order_relaxed) != self)
on_deadlock();
mOwnerThread.store(0, std::memory_order_relaxed);
}
};
#endif
// Though the Slim Reader-Writer (SRW) locks used here are not complete until
// Windows 7, implementing partial functionality in Vista will simplify the
// interaction with condition variables.
#if defined(_WIN32) && (WINVER >= _WIN32_WINNT_VISTA)
namespace windows7
{
class mutex
{
SRWLOCK mHandle;
// Track locking thread for error checking.
#if STDMUTEX_RECURSION_CHECKS
friend class vista::condition_variable;
_OwnerThread mOwnerThread {};
#endif
public:
typedef PSRWLOCK native_handle_type;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
constexpr mutex () noexcept : mHandle(SRWLOCK_INIT) { }
#pragma GCC diagnostic pop
mutex (const mutex&) = delete;
mutex & operator= (const mutex&) = delete;
void lock (void)
{
// Note: Undefined behavior if called recursively.
#if STDMUTEX_RECURSION_CHECKS
DWORD self = mOwnerThread.checkOwnerBeforeLock();
#endif
AcquireSRWLockExclusive(&mHandle);
#if STDMUTEX_RECURSION_CHECKS
mOwnerThread.setOwnerAfterLock(self);
#endif
}
void unlock (void)
{
#if STDMUTEX_RECURSION_CHECKS
mOwnerThread.checkSetOwnerBeforeUnlock();
#endif
ReleaseSRWLockExclusive(&mHandle);
}
// TryAcquireSRW functions are a Windows 7 feature.
#if (WINVER >= _WIN32_WINNT_WIN7)
bool try_lock (void)
{
#if STDMUTEX_RECURSION_CHECKS
DWORD self = mOwnerThread.checkOwnerBeforeLock();
#endif
BOOL ret = TryAcquireSRWLockExclusive(&mHandle);
#if STDMUTEX_RECURSION_CHECKS
if (ret)
mOwnerThread.setOwnerAfterLock(self);
#endif
return ret;
}
#endif
native_handle_type native_handle (void)
{
return &mHandle;
}
};
} // Namespace windows7
#endif // Compiling for Vista
namespace xp
{
class mutex
{
CRITICAL_SECTION mHandle;
std::atomic_uchar mState;
// Track locking thread for error checking.
#if STDMUTEX_RECURSION_CHECKS
friend class vista::condition_variable;
_OwnerThread mOwnerThread {};
#endif
public:
typedef PCRITICAL_SECTION native_handle_type;
constexpr mutex () noexcept : mHandle(), mState(2) { }
mutex (const mutex&) = delete;
mutex & operator= (const mutex&) = delete;
~mutex() noexcept
{
// Undefined behavior if the mutex is held (locked) by any thread.
// Undefined behavior if a thread terminates while holding ownership of the
// mutex.
DeleteCriticalSection(&mHandle);
}
void lock (void)
{
unsigned char state = mState.load(std::memory_order_acquire);
while (state) {
if ((state == 2) && mState.compare_exchange_weak(state, 1, std::memory_order_acquire))
{
InitializeCriticalSection(&mHandle);
mState.store(0, std::memory_order_release);
break;
}
if (state == 1)
{
Sleep(0);
state = mState.load(std::memory_order_acquire);
}
}
#if STDMUTEX_RECURSION_CHECKS
DWORD self = mOwnerThread.checkOwnerBeforeLock();
#endif
EnterCriticalSection(&mHandle);
#if STDMUTEX_RECURSION_CHECKS
mOwnerThread.setOwnerAfterLock(self);
#endif
}
void unlock (void)
{
#if STDMUTEX_RECURSION_CHECKS
mOwnerThread.checkSetOwnerBeforeUnlock();
#endif
LeaveCriticalSection(&mHandle);
}
bool try_lock (void)
{
unsigned char state = mState.load(std::memory_order_acquire);
if ((state == 2) && mState.compare_exchange_strong(state, 1, std::memory_order_acquire))
{
InitializeCriticalSection(&mHandle);
mState.store(0, std::memory_order_release);
}
if (state == 1)
return false;
#if STDMUTEX_RECURSION_CHECKS
DWORD self = mOwnerThread.checkOwnerBeforeLock();
#endif
BOOL ret = TryEnterCriticalSection(&mHandle);
#if STDMUTEX_RECURSION_CHECKS
if (ret)
mOwnerThread.setOwnerAfterLock(self);
#endif
return ret;
}
native_handle_type native_handle (void)
{
return &mHandle;
}
};
} // Namespace "xp"
#if (WINVER >= _WIN32_WINNT_WIN7)
using windows7::mutex;
#else
using xp::mutex;
#endif
class recursive_timed_mutex
{
static constexpr DWORD kWaitAbandoned = 0x00000080l;
static constexpr DWORD kWaitObject0 = 0x00000000l;
static constexpr DWORD kInfinite = 0xffffffffl;
inline bool try_lock_internal (DWORD ms) noexcept
{
DWORD ret = WaitForSingleObject(mHandle, ms);
#ifndef NDEBUG
if (ret == kWaitAbandoned)
{
using namespace std;
fprintf(stderr, "FATAL: Thread terminated while holding a mutex.");
terminate();
}
#endif
return (ret == kWaitObject0) || (ret == kWaitAbandoned);
}
protected:
HANDLE mHandle;
// Track locking thread for error checking of non-recursive timed_mutex. For
// standard compliance, this must be defined in same class and at the same
// access-control level as every other variable in the timed_mutex.
#if STDMUTEX_RECURSION_CHECKS
friend class vista::condition_variable;
_OwnerThread mOwnerThread {};
#endif
public:
typedef HANDLE native_handle_type;
native_handle_type native_handle() const {return mHandle;}
recursive_timed_mutex(const recursive_timed_mutex&) = delete;
recursive_timed_mutex& operator=(const recursive_timed_mutex&) = delete;
recursive_timed_mutex(): mHandle(CreateMutex(NULL, FALSE, NULL)) {}
~recursive_timed_mutex()
{
CloseHandle(mHandle);
}
void lock()
{
DWORD ret = WaitForSingleObject(mHandle, kInfinite);
// If (ret == WAIT_ABANDONED), then the thread that held ownership was
// terminated. Behavior is undefined, but Windows will pass ownership to this
// thread.
#ifndef NDEBUG
if (ret == kWaitAbandoned)
{
using namespace std;
fprintf(stderr, "FATAL: Thread terminated while holding a mutex.");
terminate();
}
#endif
if ((ret != kWaitObject0) && (ret != kWaitAbandoned))
{
throw std::system_error(GetLastError(), std::system_category());
}
}
void unlock()
{
if (!ReleaseMutex(mHandle))
throw std::system_error(GetLastError(), std::system_category());
}
bool try_lock()
{
return try_lock_internal(0);
}
template <class Rep, class Period>
bool try_lock_for(const std::chrono::duration<Rep,Period>& dur)
{
using namespace std::chrono;
auto timeout = duration_cast<milliseconds>(dur).count();
while (timeout > 0)
{
constexpr auto kMaxStep = static_cast<decltype(timeout)>(kInfinite-1);
auto step = (timeout < kMaxStep) ? timeout : kMaxStep;
if (try_lock_internal(static_cast<DWORD>(step)))
return true;
timeout -= step;
}
return false;
}
template <class Clock, class Duration>
bool try_lock_until(const std::chrono::time_point<Clock,Duration>& timeout_time)
{
return try_lock_for(timeout_time - Clock::now());
}
};
// Override if, and only if, it is necessary for error-checking.
#if STDMUTEX_RECURSION_CHECKS
class timed_mutex: recursive_timed_mutex
{
public:
timed_mutex(const timed_mutex&) = delete;
timed_mutex& operator=(const timed_mutex&) = delete;
void lock()
{
DWORD self = mOwnerThread.checkOwnerBeforeLock();
recursive_timed_mutex::lock();
mOwnerThread.setOwnerAfterLock(self);
}
void unlock()
{
mOwnerThread.checkSetOwnerBeforeUnlock();
recursive_timed_mutex::unlock();
}
template <class Rep, class Period>
bool try_lock_for(const std::chrono::duration<Rep,Period>& dur)
{
DWORD self = mOwnerThread.checkOwnerBeforeLock();
bool ret = recursive_timed_mutex::try_lock_for(dur);
if (ret)
mOwnerThread.setOwnerAfterLock(self);
return ret;
}
template <class Clock, class Duration>
bool try_lock_until(const std::chrono::time_point<Clock,Duration>& timeout_time)
{
return try_lock_for(timeout_time - Clock::now());
}
bool try_lock ()
{
return try_lock_for(std::chrono::milliseconds(0));
}
};
#else
typedef recursive_timed_mutex timed_mutex;
#endif
class once_flag
{
// When available, the SRW-based mutexes should be faster than the
// CriticalSection-based mutexes. Only try_lock will be unavailable in Vista,
// and try_lock is not used by once_flag.
#if (_WIN32_WINNT == _WIN32_WINNT_VISTA)
windows7::mutex mMutex;
#else
mutex mMutex;
#endif
std::atomic_bool mHasRun;
once_flag(const once_flag&) = delete;
once_flag& operator=(const once_flag&) = delete;
template<class Callable, class... Args>
friend void call_once(once_flag& once, Callable&& f, Args&&... args);
public:
constexpr once_flag() noexcept: mMutex(), mHasRun(false) {}
};
template<class Callable, class... Args>
void call_once(once_flag& flag, Callable&& func, Args&&... args)
{
if (flag.mHasRun.load(std::memory_order_acquire))
return;
lock_guard<decltype(flag.mMutex)> lock(flag.mMutex);
if (flag.mHasRun.load(std::memory_order_acquire))
return;
detail::invoke(std::forward<Callable>(func),std::forward<Args>(args)...);
flag.mHasRun.store(true, std::memory_order_release);
}
} // Namespace mingw_stdthread
// Push objects into std, but only if they are not already there.
namespace std
{
// Because of quirks of the compiler, the common "using namespace std;"
// directive would flatten the namespaces and introduce ambiguity where there
// was none. Direct specification (std::), however, would be unaffected.
// Take the safe option, and include only in the presence of MinGW's win32
// implementation.
#if defined(__MINGW32__ ) && !defined(_GLIBCXX_HAS_GTHREADS)
using mingw_stdthread::recursive_mutex;
using mingw_stdthread::mutex;
using mingw_stdthread::recursive_timed_mutex;
using mingw_stdthread::timed_mutex;
using mingw_stdthread::once_flag;
using mingw_stdthread::call_once;
#elif !defined(MINGW_STDTHREAD_REDUNDANCY_WARNING) // Skip repetition
#define MINGW_STDTHREAD_REDUNDANCY_WARNING
#pragma message "This version of MinGW seems to include a win32 port of\
pthreads, and probably already has C++11 std threading classes implemented,\
based on pthreads. These classes, found in namespace std, are not overridden\
by the mingw-std-thread library. If you would still like to use this\
implementation (as it is more lightweight), use the classes provided in\
namespace mingw_stdthread."
#endif
}
#endif // WIN32STDMUTEX_H

+ 496
- 0
patches/audacity/mingw/mingw.shared_mutex.h View File

@@ -0,0 +1,496 @@
/// \file mingw.shared_mutex.h
/// \brief Standard-compliant shared_mutex for MinGW
///
/// (c) 2017 by Nathaniel J. McClatchey, Athens OH, United States
/// \author Nathaniel J. McClatchey
///
/// \copyright Simplified (2-clause) BSD License.
///
/// \note This file may become part of the mingw-w64 runtime package. If/when
/// this happens, the appropriate license will be added, i.e. this code will
/// become dual-licensed, and the current BSD 2-clause license will stay.
/// \note Target Windows version is determined by WINVER, which is determined in
/// <windows.h> from _WIN32_WINNT, which can itself be set by the user.

// Notes on the namespaces:
// - The implementation can be accessed directly in the namespace
// mingw_stdthread.
// - Objects will be brought into namespace std by a using directive. This
// will cause objects declared in std (such as MinGW's implementation) to
// hide this implementation's definitions.
// - To avoid poluting the namespace with implementation details, all objects
// to be pushed into std will be placed in mingw_stdthread::visible.
// The end result is that if MinGW supplies an object, it is automatically
// used. If MinGW does not supply an object, this implementation's version will
// instead be used.

#ifndef MINGW_SHARED_MUTEX_H_
#define MINGW_SHARED_MUTEX_H_

#if !defined(__cplusplus) || (__cplusplus < 201103L)
#error A C++11 compiler is required!
#endif

#include <cassert>
// For descriptive errors.
#include <system_error>
// Implementing a shared_mutex without OS support will require atomic read-
// modify-write capacity.
#include <atomic>
// For timing in shared_lock and shared_timed_mutex.
#include <chrono>
#include <limits>

// Use MinGW's shared_lock class template, if it's available. Requires C++14.
// If unavailable (eg. because this library is being used in C++11), then an
// implementation of shared_lock is provided by this header.
#if (__cplusplus >= 201402L)
#include <shared_mutex>
#endif

// For defer_lock_t, adopt_lock_t, and try_to_lock_t
#include "mingw.mutex.h"
// For this_thread::yield.
//#include "mingw.thread.h"

// Might be able to use native Slim Reader-Writer (SRW) locks.
#ifdef _WIN32
#include <sdkddkver.h> // Detect Windows version.
#include <synchapi.h>
#endif

namespace mingw_stdthread
{
// Define a portable atomics-based shared_mutex
namespace portable
{
class shared_mutex
{
typedef uint_fast16_t counter_type;
std::atomic<counter_type> mCounter {0};
static constexpr counter_type kWriteBit = 1 << (std::numeric_limits<counter_type>::digits - 1);

#if STDMUTEX_RECURSION_CHECKS
// Runtime checker for verifying owner threads. Note: Exclusive mode only.
_OwnerThread mOwnerThread {};
#endif
public:
typedef shared_mutex * native_handle_type;

shared_mutex () = default;

// No form of copying or moving should be allowed.
shared_mutex (const shared_mutex&) = delete;
shared_mutex & operator= (const shared_mutex&) = delete;

~shared_mutex ()
{
// Terminate if someone tries to destroy an owned mutex.
assert(mCounter.load(std::memory_order_relaxed) == 0);
}

void lock_shared (void)
{
counter_type expected = mCounter.load(std::memory_order_relaxed);
do
{
// Delay if writing or if too many readers are attempting to read.
if (expected >= kWriteBit - 1)
{
using namespace std;
expected = mCounter.load(std::memory_order_relaxed);
continue;
}
if (mCounter.compare_exchange_weak(expected,
static_cast<counter_type>(expected + 1),
std::memory_order_acquire,
std::memory_order_relaxed))
break;
}
while (true);
}

bool try_lock_shared (void)
{
counter_type expected = mCounter.load(std::memory_order_relaxed) & static_cast<counter_type>(~kWriteBit);
if (expected + 1 == kWriteBit)
return false;
else
return mCounter.compare_exchange_strong( expected,
static_cast<counter_type>(expected + 1),
std::memory_order_acquire,
std::memory_order_relaxed);
}

void unlock_shared (void)
{
using namespace std;
#ifndef NDEBUG
if (!(mCounter.fetch_sub(1, memory_order_release) & static_cast<counter_type>(~kWriteBit)))
throw system_error(make_error_code(errc::operation_not_permitted));
#else
mCounter.fetch_sub(1, memory_order_release);
#endif
}

// Behavior is undefined if a lock was previously acquired.
void lock (void)
{
#if STDMUTEX_RECURSION_CHECKS
DWORD self = mOwnerThread.checkOwnerBeforeLock();
#endif
using namespace std;
// Might be able to use relaxed memory order...
// Wait for the write-lock to be unlocked, then claim the write slot.
counter_type current;
while ((current = mCounter.fetch_or(kWriteBit, std::memory_order_acquire)) & kWriteBit);
//this_thread::yield();
// Wait for readers to finish up.
while (current != kWriteBit)
{
//this_thread::yield();
current = mCounter.load(std::memory_order_acquire);
}
#if STDMUTEX_RECURSION_CHECKS
mOwnerThread.setOwnerAfterLock(self);
#endif
}

bool try_lock (void)
{
#if STDMUTEX_RECURSION_CHECKS
DWORD self = mOwnerThread.checkOwnerBeforeLock();
#endif
counter_type expected = 0;
bool ret = mCounter.compare_exchange_strong(expected, kWriteBit,
std::memory_order_acquire,
std::memory_order_relaxed);
#if STDMUTEX_RECURSION_CHECKS
if (ret)
mOwnerThread.setOwnerAfterLock(self);
#endif
return ret;
}

void unlock (void)
{
#if STDMUTEX_RECURSION_CHECKS
mOwnerThread.checkSetOwnerBeforeUnlock();
#endif
using namespace std;
#ifndef NDEBUG
if (mCounter.load(memory_order_relaxed) != kWriteBit)
throw system_error(make_error_code(errc::operation_not_permitted));
#endif
mCounter.store(0, memory_order_release);
}

native_handle_type native_handle (void)
{
return this;
}
};

} // Namespace portable

// The native shared_mutex implementation primarily uses features of Windows
// Vista, but the features used for try_lock and try_lock_shared were not
// introduced until Windows 7. To allow limited use while compiling for Vista,
// I define the class without try_* functions in that case.
// Only fully-featured implementations will be placed into namespace std.
#if defined(_WIN32) && (WINVER >= _WIN32_WINNT_VISTA)
namespace vista
{
class condition_variable_any;
}

namespace windows7
{
// We already #include "mingw.mutex.h". May as well reduce redundancy.
class shared_mutex : windows7::mutex
{
// Allow condition_variable_any (and only condition_variable_any) to treat a
// shared_mutex as its base class.
friend class vista::condition_variable_any;
public:
using windows7::mutex::native_handle_type;
using windows7::mutex::lock;
using windows7::mutex::unlock;
using windows7::mutex::native_handle;

void lock_shared (void)
{
AcquireSRWLockShared(native_handle());
}

void unlock_shared (void)
{
ReleaseSRWLockShared(native_handle());
}

// TryAcquireSRW functions are a Windows 7 feature.
#if (WINVER >= _WIN32_WINNT_WIN7)
bool try_lock_shared (void)
{
return TryAcquireSRWLockShared(native_handle()) != 0;
}

using windows7::mutex::try_lock;
#endif
};

} // Namespace windows7
#endif // Compiling for Vista
#if (defined(_WIN32) && (WINVER >= _WIN32_WINNT_WIN7))
using windows7::shared_mutex;
#else
using portable::shared_mutex;
#endif

class shared_timed_mutex : shared_mutex
{
typedef shared_mutex Base;
public:
using Base::lock;
using Base::try_lock;
using Base::unlock;
using Base::lock_shared;
using Base::try_lock_shared;
using Base::unlock_shared;

template< class Clock, class Duration >
bool try_lock_until ( const std::chrono::time_point<Clock,Duration>& cutoff )
{
do
{
if (try_lock())
return true;
}
while (std::chrono::steady_clock::now() < cutoff);
return false;
}

template< class Rep, class Period >
bool try_lock_for (const std::chrono::duration<Rep,Period>& rel_time)
{
return try_lock_until(std::chrono::steady_clock::now() + rel_time);
}

template< class Clock, class Duration >
bool try_lock_shared_until ( const std::chrono::time_point<Clock,Duration>& cutoff )
{
do
{
if (try_lock_shared())
return true;
}
while (std::chrono::steady_clock::now() < cutoff);
return false;
}

template< class Rep, class Period >
bool try_lock_shared_for (const std::chrono::duration<Rep,Period>& rel_time)
{
return try_lock_shared_until(std::chrono::steady_clock::now() + rel_time);
}
};

#if __cplusplus >= 201402L
using std::shared_lock;
#else
// If not supplied by shared_mutex (eg. because C++14 is not supported), I
// supply the various helper classes that the header should have defined.
template<class Mutex>
class shared_lock
{
Mutex * mMutex;
bool mOwns;
// Reduce code redundancy
void verify_lockable (void)
{
using namespace std;
if (mMutex == nullptr)
throw system_error(make_error_code(errc::operation_not_permitted));
if (mOwns)
throw system_error(make_error_code(errc::resource_deadlock_would_occur));
}
public:
typedef Mutex mutex_type;

shared_lock (void) noexcept
: mMutex(nullptr), mOwns(false)
{
}

shared_lock (shared_lock<Mutex> && other) noexcept
: mMutex(other.mutex_), mOwns(other.owns_)
{
other.mMutex = nullptr;
other.mOwns = false;
}

explicit shared_lock (mutex_type & m)
: mMutex(&m), mOwns(true)
{
mMutex->lock_shared();
}

shared_lock (mutex_type & m, defer_lock_t) noexcept
: mMutex(&m), mOwns(false)
{
}

shared_lock (mutex_type & m, adopt_lock_t)
: mMutex(&m), mOwns(true)
{
}

shared_lock (mutex_type & m, try_to_lock_t)
: mMutex(&m), mOwns(m.try_lock_shared())
{
}

template< class Rep, class Period >
shared_lock( mutex_type& m, const std::chrono::duration<Rep,Period>& timeout_duration )
: mMutex(&m), mOwns(m.try_lock_shared_for(timeout_duration))
{
}

template< class Clock, class Duration >
shared_lock( mutex_type& m, const std::chrono::time_point<Clock,Duration>& timeout_time )
: mMutex(&m), mOwns(m.try_lock_shared_until(timeout_time))
{
}

shared_lock& operator= (shared_lock<Mutex> && other) noexcept
{
if (&other != this)
{
if (mOwns)
mMutex->unlock_shared();
mMutex = other.mMutex;
mOwns = other.mOwns;
other.mMutex = nullptr;
other.mOwns = false;
}
return *this;
}


~shared_lock (void)
{
if (mOwns)
mMutex->unlock_shared();
}

shared_lock (const shared_lock<Mutex> &) = delete;
shared_lock& operator= (const shared_lock<Mutex> &) = delete;

// Shared locking
void lock (void)
{
verify_lockable();
mMutex->lock_shared();
mOwns = true;
}

bool try_lock (void)
{
verify_lockable();
mOwns = mMutex->try_lock_shared();
return mOwns;
}

template< class Clock, class Duration >
bool try_lock_until( const std::chrono::time_point<Clock,Duration>& cutoff )
{
verify_lockable();
do
{
mOwns = mMutex->try_lock_shared();
if (mOwns)
return mOwns;
}
while (std::chrono::steady_clock::now() < cutoff);
return false;
}

template< class Rep, class Period >
bool try_lock_for (const std::chrono::duration<Rep,Period>& rel_time)
{
return try_lock_until(std::chrono::steady_clock::now() + rel_time);
}

void unlock (void)
{
using namespace std;
if (!mOwns)
throw system_error(make_error_code(errc::operation_not_permitted));
mMutex->unlock_shared();
mOwns = false;
}

// Modifiers
void swap (shared_lock<Mutex> & other) noexcept
{
using namespace std;
swap(mMutex, other.mMutex);
swap(mOwns, other.mOwns);
}

mutex_type * release (void) noexcept
{
mutex_type * ptr = mMutex;
mMutex = nullptr;
mOwns = false;
return ptr;
}
// Observers
mutex_type * mutex (void) const noexcept
{
return mMutex;
}

bool owns_lock (void) const noexcept
{
return mOwns;
}

explicit operator bool () const noexcept
{
return owns_lock();
}
};

template< class Mutex >
void swap( shared_lock<Mutex>& lhs, shared_lock<Mutex>& rhs ) noexcept
{
lhs.swap(rhs);
}
#endif // C++11
} // Namespace mingw_stdthread

namespace std
{
// Because of quirks of the compiler, the common "using namespace std;"
// directive would flatten the namespaces and introduce ambiguity where there
// was none. Direct specification (std::), however, would be unaffected.
// Take the safe option, and include only in the presence of MinGW's win32
// implementation.
#if (__cplusplus < 201703L) || (defined(__MINGW32__ ) && !defined(_GLIBCXX_HAS_GTHREADS))
using mingw_stdthread::shared_mutex;
#endif
#if (__cplusplus < 201402L) || (defined(__MINGW32__ ) && !defined(_GLIBCXX_HAS_GTHREADS))
using mingw_stdthread::shared_timed_mutex;
using mingw_stdthread::shared_lock;
#elif !defined(MINGW_STDTHREAD_REDUNDANCY_WARNING) // Skip repetition
#define MINGW_STDTHREAD_REDUNDANCY_WARNING
#pragma message "This version of MinGW seems to include a win32 port of\
pthreads, and probably already has C++ std threading classes implemented,\
based on pthreads. These classes, found in namespace std, are not overridden\
by the mingw-std-thread library. If you would still like to use this\
implementation (as it is more lightweight), use the classes provided in\
namespace mingw_stdthread."
#endif
} // Namespace std
#endif // MINGW_SHARED_MUTEX_H_

+ 333
- 0
patches/audacity/mingw/mingw.thread.h View File

@@ -0,0 +1,333 @@
/**
* @file mingw.thread.h
* @brief std::thread implementation for MinGW
* (c) 2013-2016 by Mega Limited, Auckland, New Zealand
* @author Alexander Vassilev
*
* @copyright Simplified (2-clause) BSD License.
* You should have received a copy of the license along with this
* program.
*
* This code 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.
* @note
* This file may become part of the mingw-w64 runtime package. If/when this happens,
* the appropriate license will be added, i.e. this code will become dual-licensed,
* and the current BSD 2-clause license will stay.
*/
#ifndef WIN32STDTHREAD_H
#define WIN32STDTHREAD_H
#if !defined(__cplusplus) || (__cplusplus < 201103L)
#error A C++11 compiler is required!
#endif
// Use the standard classes for std::, if available.
#include <thread>
#include <cstddef> // For std::size_t
#include <cerrno> // Detect error type.
#include <exception> // For std::terminate
#include <system_error> // For std::system_error
#include <functional> // For std::hash
#include <tuple> // For std::tuple
#include <chrono> // For sleep timing.
#include <memory> // For std::unique_ptr
#include <iosfwd> // Stream output for thread ids.
#include <utility> // For std::swap, std::forward
#include "mingw.invoke.h"
#include <synchapi.h> // For WaitForSingleObject
#include <handleapi.h> // For CloseHandle, etc.
#include <sysinfoapi.h> // For GetNativeSystemInfo
#include <processthreadsapi.h> // For GetCurrentThreadId
#include <process.h> // For _beginthreadex
#ifndef NDEBUG
#include <cstdio>
#endif
#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
#error To use the MinGW-std-threads library, you will need to define the macro _WIN32_WINNT to be 0x0501 (Windows XP) or higher.
#endif
// Instead of INVALID_HANDLE_VALUE, _beginthreadex returns 0.
namespace mingw_stdthread
{
namespace detail
{
template<std::size_t...>
struct IntSeq {};
template<std::size_t N, std::size_t... S>
struct GenIntSeq : GenIntSeq<N-1, N-1, S...> { };
template<std::size_t... S>
struct GenIntSeq<0, S...> { typedef IntSeq<S...> type; };
// We can't define the Call struct in the function - the standard forbids template methods in that case
template<class Func, typename... Args>
class ThreadFuncCall
{
using Tuple = std::tuple<typename std::decay<Args>::type...>;
typename std::decay<Func>::type mFunc;
Tuple mArgs;
template <std::size_t... S>
void callFunc(detail::IntSeq<S...>)
{
// Note: Only called once (per thread)
detail::invoke(std::move(mFunc), std::move(std::get<S>(mArgs)) ...);
}
public:
ThreadFuncCall(Func&& aFunc, Args&&... aArgs)
: mFunc(std::forward<Func>(aFunc)),
mArgs(std::forward<Args>(aArgs)...)
{
}
void callFunc()
{
callFunc(typename detail::GenIntSeq<sizeof...(Args)>::type());
}
};
} // Namespace "detail"
class thread
{
public:
class id
{
DWORD mId;
void clear() {mId = 0;}
friend class thread;
friend class std::hash<id>;
public:
explicit id(DWORD aId=0) noexcept : mId(aId){}
friend bool operator==(id x, id y) noexcept {return x.mId == y.mId; }
friend bool operator!=(id x, id y) noexcept {return x.mId != y.mId; }
friend bool operator< (id x, id y) noexcept {return x.mId < y.mId; }
friend bool operator<=(id x, id y) noexcept {return x.mId <= y.mId; }
friend bool operator> (id x, id y) noexcept {return x.mId > y.mId; }
friend bool operator>=(id x, id y) noexcept {return x.mId >= y.mId; }
template<class _CharT, class _Traits>
friend std::basic_ostream<_CharT, _Traits>&
operator<<(std::basic_ostream<_CharT, _Traits>& __out, id __id)
{
if (__id.mId == 0)
{
return __out << "(invalid std::thread::id)";
}
else
{
return __out << __id.mId;
}
}
};
private:
static constexpr HANDLE kInvalidHandle = nullptr;
static constexpr DWORD kInfinite = 0xffffffffl;
HANDLE mHandle;
id mThreadId;
template <class Call>
static unsigned __stdcall threadfunc(void* arg)
{
std::unique_ptr<Call> call(static_cast<Call*>(arg));
call->callFunc();
return 0;
}
static unsigned int _hardware_concurrency_helper() noexcept
{
SYSTEM_INFO sysinfo;
// This is one of the few functions used by the library which has a nearly-
// equivalent function defined in earlier versions of Windows. Include the
// workaround, just as a reminder that it does exist.
#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0501)
::GetNativeSystemInfo(&sysinfo);
#else
::GetSystemInfo(&sysinfo);
#endif
return sysinfo.dwNumberOfProcessors;
}
public:
typedef HANDLE native_handle_type;
id get_id() const noexcept {return mThreadId;}
native_handle_type native_handle() const {return mHandle;}
thread(): mHandle(kInvalidHandle), mThreadId(){}
thread(thread&& other)
:mHandle(other.mHandle), mThreadId(other.mThreadId)
{
other.mHandle = kInvalidHandle;
other.mThreadId.clear();
}
thread(const thread &other)=delete;
template<class Func, typename... Args>
explicit thread(Func&& func, Args&&... args) : mHandle(), mThreadId()
{
typedef detail::ThreadFuncCall<Func, Args...> Call;
auto call = new Call(
std::forward<Func>(func), std::forward<Args>(args)...);
auto int_handle = _beginthreadex(NULL, 0, threadfunc<Call>,
static_cast<LPVOID>(call), 0,
reinterpret_cast<unsigned*>(&(mThreadId.mId)));
if (int_handle == 0)
{
mHandle = kInvalidHandle;
int errnum = errno;
delete call;
// Note: Should only throw EINVAL, EAGAIN, EACCES
throw std::system_error(errnum, std::generic_category());
} else
mHandle = reinterpret_cast<HANDLE>(int_handle);
}
bool joinable() const {return mHandle != kInvalidHandle;}
// Note: Due to lack of synchronization, this function has a race condition
// if called concurrently, which leads to undefined behavior. The same applies
// to all other member functions of this class, but this one is mentioned
// explicitly.
void join()
{
using namespace std;
if (get_id() == id(GetCurrentThreadId()))
throw system_error(make_error_code(errc::resource_deadlock_would_occur));
if (mHandle == kInvalidHandle)
throw system_error(make_error_code(errc::no_such_process));
if (!joinable())
throw system_error(make_error_code(errc::invalid_argument));
WaitForSingleObject(mHandle, kInfinite);
CloseHandle(mHandle);
mHandle = kInvalidHandle;
mThreadId.clear();
}
~thread()
{
if (joinable())
{
#ifndef NDEBUG
std::printf("Error: Must join() or detach() a thread before \
destroying it.\n");
#endif
std::terminate();
}
}
thread& operator=(const thread&) = delete;
thread& operator=(thread&& other) noexcept
{
if (joinable())
{
#ifndef NDEBUG
std::printf("Error: Must join() or detach() a thread before \
moving another thread to it.\n");
#endif
std::terminate();
}
swap(std::forward<thread>(other));
return *this;
}
void swap(thread&& other) noexcept
{
std::swap(mHandle, other.mHandle);
std::swap(mThreadId.mId, other.mThreadId.mId);
}
static unsigned int hardware_concurrency() noexcept
{
static unsigned int cached = _hardware_concurrency_helper();
return cached;
}
void detach()
{
if (!joinable())
{
using namespace std;
throw system_error(make_error_code(errc::invalid_argument));
}
if (mHandle != kInvalidHandle)
{
CloseHandle(mHandle);
mHandle = kInvalidHandle;
}
mThreadId.clear();
}
};
namespace this_thread
{
inline thread::id get_id() noexcept {return thread::id(GetCurrentThreadId());}
inline void yield() noexcept {Sleep(0);}
template< class Rep, class Period >
void sleep_for( const std::chrono::duration<Rep,Period>& sleep_duration)
{
static constexpr DWORD kInfinite = 0xffffffffl;
using namespace std::chrono;
using rep = milliseconds::rep;
rep ms = duration_cast<milliseconds>(sleep_duration).count();
while (ms > 0)
{
constexpr rep kMaxRep = static_cast<rep>(kInfinite - 1);
auto sleepTime = (ms < kMaxRep) ? ms : kMaxRep;
Sleep(static_cast<DWORD>(sleepTime));
ms -= sleepTime;
}
}
template <class Clock, class Duration>
void sleep_until(const std::chrono::time_point<Clock,Duration>& sleep_time)
{
sleep_for(sleep_time-Clock::now());
}
}
} // Namespace mingw_stdthread
namespace std
{
// Because of quirks of the compiler, the common "using namespace std;"
// directive would flatten the namespaces and introduce ambiguity where there
// was none. Direct specification (std::), however, would be unaffected.
// Take the safe option, and include only in the presence of MinGW's win32
// implementation.
#if defined(__MINGW32__ ) && !defined(_GLIBCXX_HAS_GTHREADS)
using mingw_stdthread::thread;
// Remove ambiguity immediately, to avoid problems arising from the above.
//using std::thread;
namespace this_thread
{
using namespace mingw_stdthread::this_thread;
}
#elif !defined(MINGW_STDTHREAD_REDUNDANCY_WARNING) // Skip repetition
#define MINGW_STDTHREAD_REDUNDANCY_WARNING
#pragma message "This version of MinGW seems to include a win32 port of\
pthreads, and probably already has C++11 std threading classes implemented,\
based on pthreads. These classes, found in namespace std, are not overridden\
by the mingw-std-thread library. If you would still like to use this\
implementation (as it is more lightweight), use the classes provided in\
namespace mingw_stdthread."
#endif
// Specialize hash for this implementation's thread::id, even if the
// std::thread::id already has a hash.
template<>
struct hash<mingw_stdthread::thread::id>
{
typedef mingw_stdthread::thread::id argument_type;
typedef size_t result_type;
size_t operator() (const argument_type & i) const noexcept
{
return i.mId;
}
};
}
#endif // WIN32STDTHREAD_H

+ 3
- 0
patches/audacity/mingw/mutex View File

@@ -0,0 +1,3 @@
#pragma once
#include_next <mutex>
#include "mingw.mutex.h"

+ 3
- 0
patches/audacity/mingw/thread View File

@@ -0,0 +1,3 @@
#pragma once
#include_next <thread>
#include "mingw.thread.h"

patches/audacity/01_build-fix-pt1.patch → patches/audacity/win32/01_build-fix-pt1.patch View File


patches/audacity/02_build-fix-pt2.patch → patches/audacity/win32/02_build-fix-pt2.patch View File


patches/audacity/03_build-fix-pt3.patch → patches/audacity/win32/03_build-fix-pt3.patch View File


+ 64
- 0
patches/audacity/win32/04_build-fix-pt4.patch View File

@@ -0,0 +1,64 @@
diff --git a/cmake-proxies/cmake-modules/CopyLibs.cmake b/cmake-proxies/cmake-modules/CopyLibs.cmake
index ddb5d9a..eb00020 100644
--- a/cmake-proxies/cmake-modules/CopyLibs.cmake
+++ b/cmake-proxies/cmake-modules/CopyLibs.cmake
@@ -95,7 +95,8 @@ function( gather_libs src )
set( postcmds ${postcmds} PARENT_SCOPE )
endfunction()
-gather_libs( "${SRC}" )
+set( libs "${WXWIN}/wxmsw313u_gcc_custom.dll" )
+set( postcmds "" )
list( REMOVE_DUPLICATES libs )
diff --git a/cmake-proxies/cmake-modules/FindwxWidgets.cmake b/cmake-proxies/cmake-modules/FindwxWidgets.cmake
index cb2f6f6..b5c88a6 100644
--- a/cmake-proxies/cmake-modules/FindwxWidgets.cmake
+++ b/cmake-proxies/cmake-modules/FindwxWidgets.cmake
@@ -217,15 +217,7 @@ endif()
if(wxWidgets_FIND_STYLE STREQUAL "win32")
# Useful common wx libs needed by almost all components.
set(wxWidgets_COMMON_LIBRARIES png tiff jpeg zlib regex expat)
-
- # DEPRECATED: Use find_package(wxWidgets COMPONENTS mono) instead.
- if(NOT wxWidgets_FIND_COMPONENTS)
- if(wxWidgets_USE_MONOLITHIC)
- set(wxWidgets_FIND_COMPONENTS mono)
- else()
- set(wxWidgets_FIND_COMPONENTS core base) # this is default
- endif()
- endif()
+ set(wxWidgets_FIND_COMPONENTS mono)
# Add the common (usually required libs) unless
# wxWidgets_EXCLUDE_COMMON_LIBRARIES has been set.
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 79e8f3c..e4c0f62 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1120,14 +1120,16 @@ if( CMAKE_SYSTEM_NAME MATCHES "Windows" )
POST_BUILD
)
- # Copy the VC runtime libraries as well
- add_custom_command(
- TARGET
- ${TARGET}
- COMMAND
- ${CMAKE_COMMAND} -E copy ${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS} ${_DEST}
- POST_BUILD
- )
+ if(MSVC)
+ # Copy the VC runtime libraries as well
+ add_custom_command(
+ TARGET
+ ${TARGET}
+ COMMAND
+ ${CMAKE_COMMAND} -E copy ${CMAKE_INSTALL_SYSTEM_RUNTIME_LIBS} ${_DEST}
+ POST_BUILD
+ )
+ endif(MSVC)
elseif( CMAKE_SYSTEM_NAME MATCHES "Darwin" )
# Bug 2400 workaround
#

patches/audacity/05_build-fix-pt5.patch → patches/audacity/win32/05_build-fix-pt5.patch View File


+ 33
- 0
patches/audacity/win32/06_build-fix-pt6.patch View File

@@ -0,0 +1,33 @@
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf35bbb..625dc67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -237,6 +237,12 @@ if( HAVE_LIBM )
list( APPEND CMAKE_REQUIRED_LIBRARIES -lm )
endif()
+# mingw fails to find math library (used in system libraries), force it here
+if( MINGW )
+ set( LIB_m m )
+ MARK_AS_ADVANCED( FORCE LIB_m )
+endif()
+
check_library_exists( atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC )
if( HAVE_LIBATOMIC )
list( APPEND CMAKE_REQUIRED_LIBRARIES -latomic )
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8e31f03..4badeeb 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1064,6 +1064,11 @@ list( APPEND LIBRARIES
$<$<PLATFORM_ID:Linux,FreeBSD,OpenBSD,NetBSD,CYGWIN>:pthread>
)
+# mingw needs these too
+if( CMAKE_SYSTEM_NAME MATCHES "Windows" AND NOT MSVC)
+ list( APPEND LIBRARIES PUBLIC z pthread)
+endif()
+
set( BUILDING_AUDACITY YES )
set( INSTALL_PREFIX "${_PREFIX}" )
set( PKGLIBDIR "${_PKGLIBDIR}" )

+ 1
- 0
patches/audacity/win64/01_build-fix-pt1.patch View File

@@ -0,0 +1 @@
../win32/01_build-fix-pt1.patch

+ 1
- 0
patches/audacity/win64/02_build-fix-pt2.patch View File

@@ -0,0 +1 @@
../win32/02_build-fix-pt2.patch

+ 1
- 0
patches/audacity/win64/03_build-fix-pt3.patch View File

@@ -0,0 +1 @@