ladybird/Kernel/Syscalls/umask.cpp

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Process.h>
namespace Kernel {
ErrorOr<FlatPtr> Process::sys$umask(mode_t mask)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
auto old_mask = m_protected_values.umask;
ProtectedDataMutationScope scope { *this };
m_protected_values.umask = mask & 0777;
return old_mask;
}
}