afd641fd0c
The WrapperFunctionBuffer(orc_rt_WrapperFunctionBuffer) constructor takes ownership of the underlying buffer (if one exists). Making the constructor explicit makes this clearer at the call site. This mirrors a similar change to the LLVM-side API in dec5d663745.
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
//===- DirectCaller.h -----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef ORC_RT_UNITTEST_DIRECTCALLER_H
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#define ORC_RT_UNITTEST_DIRECTCALLER_H
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#include "orc-rt/WrapperFunction.h"
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#include <memory>
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#include <utility>
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/// Make calls and call result handlers directly on the current thread.
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class DirectCaller {
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private:
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class DirectResultSender {
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public:
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virtual ~DirectResultSender() {}
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virtual void send(orc_rt_SessionRef S,
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orc_rt::WrapperFunctionBuffer ResultBytes) = 0;
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static void send(orc_rt_SessionRef S, uint64_t CallId,
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orc_rt_WrapperFunctionBuffer ResultBytes) {
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std::unique_ptr<DirectResultSender>(
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reinterpret_cast<DirectResultSender *>(
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static_cast<uintptr_t>(CallId)))
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->send(S, orc_rt::WrapperFunctionBuffer(ResultBytes));
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}
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};
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template <typename ImplFn>
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class DirectResultSenderImpl : public DirectResultSender {
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public:
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DirectResultSenderImpl(ImplFn &&Fn) : Fn(std::forward<ImplFn>(Fn)) {}
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void send(orc_rt_SessionRef S,
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orc_rt::WrapperFunctionBuffer ResultBytes) override {
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Fn(std::move(ResultBytes));
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}
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private:
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std::decay_t<ImplFn> Fn;
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};
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template <typename ImplFn>
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static std::unique_ptr<DirectResultSender>
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makeDirectResultSender(ImplFn &&Fn) {
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return std::make_unique<DirectResultSenderImpl<ImplFn>>(
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std::forward<ImplFn>(Fn));
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}
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public:
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DirectCaller(orc_rt_SessionRef S, orc_rt_WrapperFunction Fn) : S(S), Fn(Fn) {}
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template <typename HandleResultFn>
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void operator()(HandleResultFn &&HandleResult,
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orc_rt::WrapperFunctionBuffer ArgBytes) {
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auto DR =
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makeDirectResultSender(std::forward<HandleResultFn>(HandleResult));
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Fn(S, static_cast<uint64_t>(reinterpret_cast<uintptr_t>(DR.release())),
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DirectResultSender::send, ArgBytes.release());
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}
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private:
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orc_rt_SessionRef S;
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orc_rt_WrapperFunction Fn;
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};
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#endif // ORC_RT_UNITTEST_DIRECTCALLER_H
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