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79fa9765ca
We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace! This was a slightly tedious refactoring that took a long time, so it's not unlikely that some bugs crept in. Nevertheless, it does pass basic functionality testing, and it's just real nice to finally see the same pattern in all contexts. :^)
26 lines
580 B
C++
26 lines
580 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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namespace Kernel {
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ErrorOr<FlatPtr> Process::sys$disown(ProcessID pid)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
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REQUIRE_PROMISE(proc);
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auto process = Process::from_pid(pid);
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if (!process)
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return ESRCH;
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if (process->ppid() != this->pid())
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return ECHILD;
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ProtectedDataMutationScope scope(*process);
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process->m_protected_values.ppid = 0;
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process->disowned_by_waiter(*this);
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return 0;
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}
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}
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