58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: IOSubmit.Linux.hpp
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Date: 2022-4-12
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Author: Reece
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Note: I want APCs, overlapped, and event based IO on Linux. Gib.
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***/
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#pragma once
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#include <linux/aio_abi.h>
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namespace Aurora::IO::UNIX
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{
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struct ASubmittable
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{
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virtual void LIOS_Process(AuUInt32 read, bool failure, int err, bool mark) = 0;
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void LIOS_SendProcess(AuUInt32 read, bool failure, int err, bool mark = false);
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void LIOS_Init(const AuSPtr<void> &pin);
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void LIOS_Reset();
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bool HasState();
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void SetMemory(const AuSPtr<AuMemoryViewRead> &view);
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void SetMemory(const AuSPtr<AuMemoryViewWrite> &view);
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AuUInt64 GetData();
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AuUInt64 GetBuf();
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AuUInt GetBufLength();
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iocb & GetIOCB();
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private:
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AuUInt64 dataPtr_ {};
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AuUInt dataLen_ {};
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AuSPtr<void> pin_;
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AuSPtr<void> memPin_;
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iocb cb {};
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};
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// Yield/Wait shims
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bool LinuxOverlappedWaitForOne (AuUInt32 timeout, AuUInt read, AuUInt write, bool &bReadTriggered, bool &bWriteTriggered);
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bool LinuxOverlappedWaitForAtleastOne(AuUInt32 timeout, const AuList<AuUInt> &handles, const AuList<AuUInt> &handlesWrite, AuUInt &one, AuUInt &two);
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bool LinuxOverlappedPoll (AuUInt32 timeout);
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int LinuxOverlappedEpollShim(int epfd, struct epoll_event *events,
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int maxevents, int timeout);
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// Work queue
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bool LinuxOverlappedSubmitRead (int fd, AuUInt offset, ASubmittable *context, AuLoop::ILSEvent *optEvent);
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bool LinuxOverlappedSubmitWrite(int fd, AuUInt offset, ASubmittable *context, AuLoop::ILSEvent *optEvent);
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// TODO: Stream copy operations
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// Bookkeeping
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bool SendIOBuffers();
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} |