serenity/Kernel/Syscalls/umask.cpp

22 lines
517 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Tasks/Process.h>
namespace Kernel {
ErrorOr<FlatPtr> Process::sys$umask(mode_t mask)
{
VERIFY_NO_PROCESS_BIG_LOCK(this);
TRY(require_promise(Pledge::stdio));
return with_mutable_protected_data([&](auto& protected_data) -> ErrorOr<FlatPtr> {
auto old_mask = protected_data.umask;
protected_data.umask = mask & 0777;
return old_mask;
});
}
}