Non-SFI mode: Remove old Non-SFI code.

components/nacl/loader/nonsfi/irt_basic.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <errno.h>
-#include <sched.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <time.h>
-#include <unistd.h>
-
-#include "components/nacl/loader/nonsfi/abi_conversion.h"
-#include "components/nacl/loader/nonsfi/irt_interfaces.h"
-#include "components/nacl/loader/nonsfi/irt_util.h"
-#include "native_client/src/trusted/service_runtime/include/sys/time.h"
-#include "native_client/src/trusted/service_runtime/include/sys/unistd.h"
-
-namespace nacl {
-namespace nonsfi {
-namespace {
-
-void IrtExit(int status) {
-  _exit(status);
-}
-
-int IrtGetToD(struct nacl_abi_timeval* tv) {
-  struct timeval host_tv;
-  if (gettimeofday(&host_tv, NULL))
-    return errno;
-  tv->nacl_abi_tv_sec = host_tv.tv_sec;
-  tv->nacl_abi_tv_usec = host_tv.tv_usec;
-  return 0;
-}
-
-int IrtClock(nacl_abi_clock_t* ticks) {
-  // There is no definition of errno when clock is failed.
-  // So we assume it always succeeds.
-  *ticks = clock();
-  return 0;
-}
-
-int IrtNanoSleep(const struct nacl_abi_timespec* req,
-                 struct nacl_abi_timespec* rem) {
-  struct timespec host_req;
-  NaClAbiTimeSpecToTimeSpec(*req, &host_req);
-  struct timespec host_rem;
-  if (nanosleep(&host_req, &host_rem))
-    return errno;
-
-  if (rem)
-    TimeSpecToNaClAbiTimeSpec(host_rem, rem);
-  return 0;
-}
-
-int IrtSchedYield() {
-  return CheckError(sched_yield());
-}
-
-int IrtSysconf(int name, int* value) {
-  int result;
-  switch (name) {
-    case NACL_ABI__SC_NPROCESSORS_ONLN:
-      errno = 0;
-      result = sysconf(_SC_NPROCESSORS_ONLN);
-      break;
-    case NACL_ABI__SC_PAGESIZE:
-      errno = 0;
-      result = sysconf(_SC_PAGESIZE);
-      break;
-    default:
-      return EINVAL;
-  }
-
-  if (result == -1 && errno == EINVAL)
-    return EINVAL;
-
-  *value = result;
-  return 0;
-}
-
-}  // namespace
-
-// For gettod, clock and nanosleep, their argument types should be nacl_abi_X,
-// rather than host type, such as timeval or clock_t etc. However, the
-// definition of nacl_irt_basic uses host types, so here we need to cast them.
-const nacl_irt_basic kIrtBasic = {
-  IrtExit,
-  reinterpret_cast<int(*)(struct timeval*)>(IrtGetToD),
-  reinterpret_cast<int(*)(clock_t*)>(IrtClock),
-  reinterpret_cast<int(*)(const struct timespec*, struct timespec*)>(
-      IrtNanoSleep),
-  IrtSchedYield,
-  IrtSysconf,
-};
-
-}  // namespace nonsfi
-}  // namespace nacl