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9201a06027
Before we start disabling acquisition of the big process lock for specific syscalls, make sure to document and assert that all the lock is held during all syscalls.
28 lines
548 B
C++
28 lines
548 B
C++
/*
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* Copyright (c) 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 <Kernel/Process.h>
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#include <LibC/sys/prctl_numbers.h>
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namespace Kernel {
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KResultOr<FlatPtr> Process::sys$prctl(int option, FlatPtr arg1, [[maybe_unused]] FlatPtr arg2)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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switch (option) {
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case PR_GET_DUMPABLE:
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return is_dumpable();
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case PR_SET_DUMPABLE:
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set_dumpable(arg1);
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return 0;
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default:
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return EINVAL;
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}
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return 0;
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}
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}
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