mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 06:58:11 +00:00
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.
34 lines
955 B
C++
34 lines
955 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$chmod(Userspace<const char*> user_path, size_t path_length, mode_t mode)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
REQUIRE_PROMISE(fattr);
|
|
auto path = get_syscall_path_argument(user_path, path_length);
|
|
if (path.is_error())
|
|
return path.error();
|
|
return VirtualFileSystem::the().chmod(path.value()->view(), mode, current_directory());
|
|
}
|
|
|
|
KResultOr<FlatPtr> Process::sys$fchmod(int fd, mode_t mode)
|
|
{
|
|
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
|
|
REQUIRE_PROMISE(fattr);
|
|
auto description = fds().file_description(fd);
|
|
if (!description)
|
|
return EBADF;
|
|
return description->chmod(mode);
|
|
}
|
|
|
|
}
|