getrlimit
extern int getrlimit(int resource, struct rlimit * rlp);
Syscall *getrlimit = get_syscall("_kern_getrlimit");
getrlimit->GetParameter("resource")->SetHandler(new EnumTypeHandler(kResourcesMap));
getrlimit->ParameterAt(1)->SetOut(true);
if (getrlimit(RLIMIT_AS, &rlim) == 0
&& getrlimit(RLIMIT_DATA, &rlim) == 0
if (getrlimit(RLIMIT_NOFILE, &rlimit) < 0)