/*
	This file is part of Fennix Kernel.

	Fennix Kernel is free software: you can redistribute it and/or
	modify it under the terms of the GNU General Public License as
	published by the Free Software Foundation, either version 3 of
	the License, or (at your option) any later version.

	Fennix Kernel is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/

#include <syscalls.hpp>

#include <memory.hpp>
#include <lock.hpp>
#include <exec.hpp>
#include <errno.h>
#include <debug.h>

#include "../../syscalls.h"
#include "../../kernel.h"
#include "../../ipc.h"

using InterProcessCommunication::IPC;
using InterProcessCommunication::IPCID;
using Tasking::PCB;
using Tasking::TCB;
using Tasking::TaskState::Ready;
using Tasking::TaskState::Terminated;
using namespace Memory;

#define SysFrm SyscallsFrame

#if defined(a64)
typedef long arch_t;
#elif defined(a32)
typedef int arch_t;
#endif

/* https://pubs.opengroup.org/onlinepubs/009604499/functions/lseek.html */
off_t sys_lseek(SysFrm *, int fildes,
				off_t offset, int whence)
{
	function("%d, %d, %d", fildes, offset, whence);
	PCB *pcb = thisProcess;
	vfs::FileDescriptorTable *fdt = pcb->FileDescriptors;
	return fdt->_lseek(fildes, offset, whence);
}