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3c3596dbf2
Since the majority of the code is using ReadAt API already, map this to a `readp` "syscall" which does not mutate any state about the file descriptor therefore making it fairly safe multi-threading wise. This allows to get rid of read-time mutexes in RamCachedFileLoader and therefore fixes #9803
40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include "Common/CommonTypes.h"
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#include "Core/Loaders.h"
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class LocalFileLoader : public FileLoader {
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public:
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LocalFileLoader(const std::string &filename);
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virtual ~LocalFileLoader();
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virtual bool Exists() override;
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virtual bool IsDirectory() override;
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virtual s64 FileSize() override;
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virtual std::string Path() const override;
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virtual size_t ReadAt(s64 absolutePos, size_t bytes, size_t count, void *data, Flags flags = Flags::NONE) override;
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private:
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// First only used by Android, but we can keep it here for everyone.
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int fd_;
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FILE *f_;
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u64 filesize_;
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std::string filename_;
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};
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