mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
29 lines
817 B
C++
29 lines
817 B
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Tasks/Process.h>
|
|
#include <Kernel/Time/TimeManagement.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ErrorOr<FlatPtr> Process::sys$times(Userspace<tms*> user_times)
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
TRY(require_promise(Pledge::stdio));
|
|
|
|
// There's no lock here, as it seems harmless to report intermediate values
|
|
// as long as each individual counter is intact.
|
|
tms times = {};
|
|
times.tms_utime = m_ticks_in_user;
|
|
times.tms_stime = m_ticks_in_kernel;
|
|
times.tms_cutime = m_ticks_in_user_for_dead_children;
|
|
times.tms_cstime = m_ticks_in_kernel_for_dead_children;
|
|
|
|
TRY(copy_to_user(user_times, ×));
|
|
return TimeManagement::the().uptime_ms() & 0x7fffffff;
|
|
}
|
|
|
|
}
|