ladybird/Kernel/Syscalls/prctl.cpp
Brian Gianforcaro 9201a06027 Kernel: Annotate all syscalls with VERIFY_PROCESS_BIG_LOCK_ACQUIRED
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.
2021-07-20 03:21:14 +02:00

27 lines
548 B
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Process.h>
#include <LibC/sys/prctl_numbers.h>
namespace Kernel {
KResultOr<FlatPtr> Process::sys$prctl(int option, FlatPtr arg1, [[maybe_unused]] FlatPtr arg2)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
switch (option) {
case PR_GET_DUMPABLE:
return is_dumpable();
case PR_SET_DUMPABLE:
set_dumpable(arg1);
return 0;
default:
return EINVAL;
}
return 0;
}
}