library/cpp/coroutine/engine/trampoline.cpp


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#include "impl.h" 
#include "trampoline.h" 

#include "stack/stack_allocator.h"

#include <util/system/info.h> 
#include <util/system/protect.h> 
#include <util/system/valgrind.h> 
#include <util/system/yassert.h>

#include <cstdlib> 
#include <util/stream/format.h> 


namespace NCoro { 
 
TTrampoline::TTrampoline(NStack::IAllocator& allocator, ui32 stackSize, TFunc f, TCont* cont) noexcept
        : Stack_(allocator, stackSize, cont->Name())
        , Clo_{this, Stack_.Get(), cont->Name()}
        , Ctx_(Clo_) 
        , Func_(std::move(f))
        , Cont_(cont) 
    {} 
 
    void TTrampoline::DoRun() { 
        if (Cont_->Executor()->FailOnError()) {
            Func_(Cont_);
        } else {
            try {
                Func_(Cont_);
            } catch (...) {}
        } 

        Cont_->Terminate(); 
    } 
 
    TArrayRef<char> TTrampoline::Stack() noexcept { 
        return Stack_.Get(); 
    } 
 
    const char* TTrampoline::ContName() const noexcept {
        return Cont_->Name();
    }
 
    void TTrampoline::DoRunNaked() {
        DoRun();

        abort();
    }
}