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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
655 B
C++
28 lines
655 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 <Kernel/Process.h>
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namespace Kernel {
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KResultOr<FlatPtr> Process::sys$times(Userspace<tms*> user_times)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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tms times = {};
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times.tms_utime = m_ticks_in_user;
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times.tms_stime = m_ticks_in_kernel;
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times.tms_cutime = m_ticks_in_user_for_dead_children;
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times.tms_cstime = m_ticks_in_kernel_for_dead_children;
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if (!copy_to_user(user_times, ×))
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return EFAULT;
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return TimeManagement::the().uptime_ms() & 0x7fffffff;
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}
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}
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