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8ebec2938c
Instead of manually locking in the various member functions of Process::OpenFileDescriptions, simply wrap it in a SpinlockProtected.
26 lines
686 B
C++
26 lines
686 B
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/FileSystem/OpenFileDescription.h>
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#include <Kernel/Process.h>
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#include <LibC/sys/ioctl_numbers.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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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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