18ea094df1
Summary: As pointed out by jprice, these classes don't serve a purpose. Instead, we stay consistent with the way memory is managed and let the Stream and Kernel classes directly hold opaque handles to device Stream and Kernel instances, respectively. Reviewers: jprice, jlebar Subscribers: parallel_libs-commits Differential Revision: https://reviews.llvm.org/D24213 llvm-svn: 280719
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
//===-- Stream.cpp - General stream implementation ------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file contains the implementation details for a general stream object.
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///
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//===----------------------------------------------------------------------===//
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#include <cassert>
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#include "streamexecutor/Stream.h"
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namespace streamexecutor {
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Stream::Stream(PlatformDevice *D, const void *PlatformStreamHandle)
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: PDevice(D), PlatformStreamHandle(PlatformStreamHandle),
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ErrorMessageMutex(llvm::make_unique<llvm::sys::RWMutex>()) {
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assert(D != nullptr &&
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"cannot construct a stream object with a null platform device");
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assert(PlatformStreamHandle != nullptr &&
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"cannot construct a stream object with a null platform stream handle");
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}
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Stream::Stream(Stream &&Other)
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: PDevice(Other.PDevice), PlatformStreamHandle(Other.PlatformStreamHandle),
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ErrorMessageMutex(std::move(Other.ErrorMessageMutex)),
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ErrorMessage(std::move(Other.ErrorMessage)) {
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Other.PDevice = nullptr;
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Other.PlatformStreamHandle = nullptr;
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}
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Stream &Stream::operator=(Stream &&Other) {
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PDevice = Other.PDevice;
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PlatformStreamHandle = Other.PlatformStreamHandle;
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ErrorMessageMutex = std::move(Other.ErrorMessageMutex);
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ErrorMessage = std::move(Other.ErrorMessage);
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Other.PDevice = nullptr;
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Other.PlatformStreamHandle = nullptr;
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return *this;
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}
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Stream::~Stream() {
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if (PlatformStreamHandle)
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// TODO(jhen): Handle error condition here.
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consumeError(PDevice->destroyStream(PlatformStreamHandle));
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}
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} // namespace streamexecutor
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