ladybird/Kernel/Syscalls/chmod.cpp
Liav A 7c87891c06 Kernel: Don't copy a Vector<FileDescriptionAndFlags>
Instead of copying a Vector everytime we need to enumerate a Process'
file descriptions, we can just temporarily lock so it won't change.
2021-06-29 20:53:59 +02:00

32 lines
853 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/Process.h>
namespace Kernel {
KResultOr<FlatPtr> Process::sys$chmod(Userspace<const char*> user_path, size_t path_length, mode_t mode)
{
REQUIRE_PROMISE(fattr);
auto path = get_syscall_path_argument(user_path, path_length);
if (path.is_error())
return path.error();
return VFS::the().chmod(path.value()->view(), mode, current_directory());
}
KResultOr<FlatPtr> Process::sys$fchmod(int fd, mode_t mode)
{
REQUIRE_PROMISE(fattr);
auto description = fds().file_description(fd);
if (!description)
return EBADF;
return description->chmod(mode);
}
}