Function SysIoctl

Kernel/src/arch/x86_64/syscalls.cpp:998–1024

}

long SysIoctl(regs64_t* r){
	int fd = SC_ARG0(r);
	uint64_t request = SC_ARG1(r);
	uint64_t arg = SC_ARG2(r);
	int* result = (int*)SC_ARG3(r);

	if(result && !Memory::CheckUsermodePointer((uintptr_t)result, sizeof(int), Scheduler::GetCurrentProcess()->addressSpace)){
		return -EFAULT;
	}

	if(fd >= static_cast<int>(Scheduler::GetCurrentProcess()->fileDescriptors.get_length())){
		return -EINVAL;
	}
	fs_fd_t* handle = Scheduler::GetCurrentProcess()->fileDescriptors[SC_ARG0(r)];
	if(!handle){
		Log::Warning("sys_ioctl: Invalid File Descriptor: %d", SC_ARG0(r));
		return -EINVAL;
	}

	int ret = fs::Ioctl(handle, request, arg);

	if(result && ret > 0){
		*result = ret;
	}

	return ret;
}

long SysInfo(regs64_t* r){
	lemon_sysinfo_t* s = (lemon_sysinfo_t*)SC_ARG0(r);