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12b7328c22
Apparently without this file, we won't be able to compile due to missing includes to TimeManagement and KBufferBuilder.
39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
/*
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* Copyright (c) 2022, Lucas Chollet <lucas.chollet@free.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 <Kernel/Time/TimeManagement.h>
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namespace Kernel {
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ErrorOr<FlatPtr> Process::sys$getrusage(int who, Userspace<rusage*> user_usage)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
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rusage usage {};
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auto const ticks_per_second = TimeManagement::the().ticks_per_second();
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switch (who) {
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case RUSAGE_SELF:
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usage.ru_utime = Time::from_ticks(m_ticks_in_user, ticks_per_second).to_timeval();
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usage.ru_stime = Time::from_ticks(m_ticks_in_kernel, ticks_per_second).to_timeval();
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break;
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case RUSAGE_CHILDREN:
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usage.ru_utime = Time::from_ticks(m_ticks_in_user_for_dead_children, ticks_per_second).to_timeval();
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usage.ru_stime = Time::from_ticks(m_ticks_in_kernel_for_dead_children, ticks_per_second).to_timeval();
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break;
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default:
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return EINVAL;
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}
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TRY(copy_to_user(user_usage, &usage));
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return 0;
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}
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}
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