mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
7c0b360881
Add `_SC_PHYS_PAGES` to sys$sysconf syscall. This value is needed for a port I'm working on.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/FileSystem/VirtualFileSystem.h>
|
|
#include <Kernel/Memory/MemoryManager.h>
|
|
#include <Kernel/Process.h>
|
|
#include <Kernel/Time/TimeManagement.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ErrorOr<FlatPtr> Process::sys$sysconf(int name)
|
|
{
|
|
VERIFY_NO_PROCESS_BIG_LOCK(this);
|
|
switch (name) {
|
|
case _SC_MONOTONIC_CLOCK:
|
|
return 1;
|
|
case _SC_NPROCESSORS_CONF:
|
|
case _SC_NPROCESSORS_ONLN:
|
|
return Processor::count();
|
|
case _SC_OPEN_MAX:
|
|
return OpenFileDescriptions::max_open();
|
|
case _SC_PAGESIZE:
|
|
return PAGE_SIZE;
|
|
case _SC_HOST_NAME_MAX:
|
|
return HOST_NAME_MAX;
|
|
case _SC_TTY_NAME_MAX:
|
|
return TTY_NAME_MAX;
|
|
case _SC_GETPW_R_SIZE_MAX:
|
|
return 4096; // idk
|
|
case _SC_CLK_TCK:
|
|
return TimeManagement::the().ticks_per_second();
|
|
case _SC_SYMLOOP_MAX:
|
|
return Kernel::VirtualFileSystem::symlink_recursion_limit;
|
|
case _SC_ARG_MAX:
|
|
return Process::max_arguments_size;
|
|
case _SC_IOV_MAX:
|
|
return IOV_MAX;
|
|
case _SC_PHYS_PAGES:
|
|
return MM.get_system_memory_info().physical_pages;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
}
|
|
|
|
}
|