library/cpp/coroutine/engine/trampoline.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

#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();
    }
}