Ykkrosh
5228800b73
Use noncopyable instead of boost::noncopyable. (But maybe this should be changed to the NONCOPYABLE macro instead?) Use boost::filesystem::wpath::file_string instead of external_file_string, since the latter varies between std::string on Linux and std::wstring on Windows. Use wcstombs instead of wcstombs_s. Use rtl_AllocateAligned instead of _mm_malloc. This was SVN commit r6574.
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
// rationale for allocating MemFun_t dynamically:
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// need to store class pointer, function, and argument for each registered
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// function; single static storage isn't possible. we don't want to break
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// C compat in the Loader.h interface, so we can't have it take care of this.
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// that leaves dynamic alloc or reserving some static storage freed when
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// load registration begins. the former is slower and requires checking
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// the thunked function's return value (because we mustn't free MemFun_t
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// if the function times out), but is simpler.
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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 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 : noncopyable
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{
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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(void* param, double UNUSED(time_left))
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{
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MemFun_t<T>* const mf = (MemFun_t<T>*)param;
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int ret = (mf->this_->*mf->func)();
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if(!ldr_was_interrupted(ret))
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delete mf;
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return ret;
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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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void* param = new MemFun_t<T>(this_, func);
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LDR_Register(MemFunThunk<T>, param, description, estimated_duration_ms);
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}
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////////////////////////////////////////////////////////
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template<class T, class Arg> struct MemFun1_t : noncopyable
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{
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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(void* param, double UNUSED(time_left))
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{
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MemFun1_t<T, Arg>* const mf = (MemFun1_t<T, Arg>*)param;
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int ret = (mf->this_->*mf->func)(mf->arg);
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if(!ldr_was_interrupted(ret))
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delete mf;
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return ret;
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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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void* param = new MemFun1_t<T, Arg>(this_, func, arg);
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LDR_Register(MemFun1Thunk<T, Arg>, param, description, estimated_duration_ms);
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}
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