mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 09:49:15 +03:00
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.
36 lines
995 B
C++
36 lines
995 B
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/FileSystem/FileDescription.h>
|
|
#include <Kernel/Process.h>
|
|
|
|
namespace Kernel {
|
|
|
|
KResultOr<FlatPtr> Process::sys$fchown(int fd, uid_t uid, gid_t gid)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
REQUIRE_PROMISE(chown);
|
|
auto description = fds().file_description(fd);
|
|
if (!description)
|
|
return EBADF;
|
|
return description->chown(uid, gid);
|
|
}
|
|
|
|
KResultOr<FlatPtr> Process::sys$chown(Userspace<const Syscall::SC_chown_params*> user_params)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
REQUIRE_PROMISE(chown);
|
|
Syscall::SC_chown_params params;
|
|
if (!copy_from_user(¶ms, user_params))
|
|
return EFAULT;
|
|
auto path = get_syscall_path_argument(params.path);
|
|
if (path.is_error())
|
|
return path.error();
|
|
return VirtualFileSystem::the().chown(path.value()->view(), params.uid, params.gid, current_directory());
|
|
}
|
|
|
|
}
|