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https://github.com/RGBCube/serenity
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100fb38c3e
This header has always been fundamentally a Kernel API file. Move it where it belongs. Include it directly in Kernel files, and make Userland applications include it via sys/ioctl.h rather than directly.
38 lines
1 KiB
C++
38 lines
1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Userspace.h>
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#include <Kernel/API/Ioctl.h>
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#include <Kernel/FileSystem/OpenFileDescription.h>
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#include <Kernel/Process.h>
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namespace Kernel {
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ErrorOr<FlatPtr> Process::sys$ioctl(int fd, unsigned request, FlatPtr arg)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
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auto description = TRY(open_file_description(fd));
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if (request == FIONBIO) {
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description->set_blocking(TRY(copy_typed_from_user(Userspace<int const*>(arg))) == 0);
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return 0;
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}
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if (request == FIOCLEX) {
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m_fds.with_exclusive([&](auto& fds) {
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fds[fd].set_flags(fds[fd].flags() | FD_CLOEXEC);
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});
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return 0;
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}
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if (request == FIONCLEX) {
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m_fds.with_exclusive([&](auto& fds) {
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fds[fd].set_flags(fds[fd].flags() & ~FD_CLOEXEC);
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});
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return 0;
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}
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TRY(description->file().ioctl(*description, request, arg));
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return 0;
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}
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}
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