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1679510bb8
Use C++11 featured shared_ptr to avoid conditional deletion in multiple locations. Drops C compatibility(?) of Loader.h. Differential Revision: https://code.wildfiregames.com/D2331 Tested on: clang 8.0.1., Jenkins Comments on IRC #wfg 2005-05-07 Refs77d3c5d0b5,5e3b0f06ec,f19d8dafee. This was SVN commit r23019.
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_LOADERTHUNKS
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#define INCLUDED_LOADERTHUNKS
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// VC7 warns if T::*func is not aligned to its size (4..16 bytes on IA-32).
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// this is a bug, since sizeof(void*) would be enough. MS says it won't
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// be fixed: see http://www.dotnet247.com/247reference/msgs/1/7782.aspx
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// we don't make sure alignment is acceptable because both 12 and 16 bytes
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// may be required and padding to LCM(12,16) bytes would be wasteful;
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// therefore, just disable the warning.
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#if MSC_VERSION
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#pragma warning(disable: 4121)
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#endif
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// does this return code indicate the coroutine yielded and
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// wasn't yet finished?
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static inline bool ldr_was_interrupted(int ret)
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{
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return (0 < ret && ret <= 100);
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}
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template<class T> struct MemFun_t
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{
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NONCOPYABLE(MemFun_t);
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public:
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T* const this_;
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int (T::*func)(void);
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MemFun_t(T* this__, int(T::*func_)(void))
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: this_(this__), func(func_) {}
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};
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template<class T> static int MemFunThunk(std::shared_ptr<void> param, double UNUSED(time_left))
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{
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MemFun_t<T>* const mf = static_cast<MemFun_t<T>*>(param.get());
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return (mf->this_->*mf->func)();
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}
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template<class T> void RegMemFun(T* this_, int(T::*func)(void),
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const wchar_t* description, int estimated_duration_ms)
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{
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LDR_Register(MemFunThunk<T>, std::make_shared<MemFun_t<T>>(this_, func), description, estimated_duration_ms);
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}
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////////////////////////////////////////////////////////
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template<class T, class Arg> struct MemFun1_t
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{
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NONCOPYABLE(MemFun1_t);
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public:
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T* const this_;
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Arg arg;
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int (T::*func)(Arg);
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MemFun1_t(T* this__, int(T::*func_)(Arg), Arg arg_)
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: this_(this__), func(func_), arg(arg_) {}
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};
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template<class T, class Arg> static int MemFun1Thunk(shared_ptr<void> param, double UNUSED(time_left))
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{
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MemFun1_t<T, Arg>* const mf = static_cast<MemFun1_t<T, Arg>*>(param.get());
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return (mf->this_->*mf->func)(mf->arg);
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}
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template<class T, class Arg> void RegMemFun1(T* this_, int(T::*func)(Arg), Arg arg,
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const wchar_t* description, int estimated_duration_ms)
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{
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LDR_Register(MemFun1Thunk<T, Arg>, std::make_shared<MemFun1_t<T, Arg> >(this_, func, arg), description, estimated_duration_ms);
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}
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#endif // INCLUDED_LOADERTHUNKS
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