1 files changed, 0 insertions, 217 deletions
diff --git a/lib/libcxx/utils/google-benchmark/src/timers.cc b/lib/libcxx/utils/google-benchmark/src/timers.cc
deleted file mode 100644
index 7613ff92c6e..00000000000
--- a/lib/libcxx/utils/google-benchmark/src/timers.cc
+++ /dev/null
@@ -1,217 +0,0 @@
-// Copyright 2015 Google Inc. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "timers.h"
-#include "internal_macros.h"
-
-#ifdef BENCHMARK_OS_WINDOWS
-#include <shlwapi.h>
-#undef StrCat  // Don't let StrCat in string_util.h be renamed to lstrcatA
-#include <versionhelpers.h>
-#include <windows.h>
-#else
-#include <fcntl.h>
-#ifndef BENCHMARK_OS_FUCHSIA
-#include <sys/resource.h>
-#endif
-#include <sys/time.h>
-#include <sys/types.h>  // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
-#include <unistd.h>
-#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_MACOSX
-#include <sys/sysctl.h>
-#endif
-#if defined(BENCHMARK_OS_MACOSX)
-#include <mach/mach_init.h>
-#include <mach/mach_port.h>
-#include <mach/thread_act.h>
-#endif
-#endif
-
-#ifdef BENCHMARK_OS_EMSCRIPTEN
-#include <emscripten.h>
-#endif
-
-#include <cerrno>
-#include <cstdint>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <ctime>
-#include <iostream>
-#include <limits>
-#include <mutex>
-
-#include "check.h"
-#include "log.h"
-#include "sleep.h"
-#include "string_util.h"
-
-namespace benchmark {
-
-// Suppress unused warnings on helper functions.
-#if defined(__GNUC__)
-#pragma GCC diagnostic ignored "-Wunused-function"
-#endif
-
-namespace {
-#if defined(BENCHMARK_OS_WINDOWS)
-double MakeTime(FILETIME const& kernel_time, FILETIME const& user_time) {
-  ULARGE_INTEGER kernel;
-  ULARGE_INTEGER user;
-  kernel.HighPart = kernel_time.dwHighDateTime;
-  kernel.LowPart = kernel_time.dwLowDateTime;
-  user.HighPart = user_time.dwHighDateTime;
-  user.LowPart = user_time.dwLowDateTime;
-  return (static_cast<double>(kernel.QuadPart) +
-          static_cast<double>(user.QuadPart)) *
-         1e-7;
-}
-#elif !defined(BENCHMARK_OS_FUCHSIA)
-double MakeTime(struct rusage const& ru) {
-  return (static_cast<double>(ru.ru_utime.tv_sec) +
-          static_cast<double>(ru.ru_utime.tv_usec) * 1e-6 +
-          static_cast<double>(ru.ru_stime.tv_sec) +
-          static_cast<double>(ru.ru_stime.tv_usec) * 1e-6);
-}
-#endif
-#if defined(BENCHMARK_OS_MACOSX)
-double MakeTime(thread_basic_info_data_t const& info) {
-  return (static_cast<double>(info.user_time.seconds) +
-          static_cast<double>(info.user_time.microseconds) * 1e-6 +
-          static_cast<double>(info.system_time.seconds) +
-          static_cast<double>(info.system_time.microseconds) * 1e-6);
-}
-#endif
-#if defined(CLOCK_PROCESS_CPUTIME_ID) || defined(CLOCK_THREAD_CPUTIME_ID)
-double MakeTime(struct timespec const& ts) {
-  return ts.tv_sec + (static_cast<double>(ts.tv_nsec) * 1e-9);
-}
-#endif
-
-BENCHMARK_NORETURN static void DiagnoseAndExit(const char* msg) {
-  std::cerr << "ERROR: " << msg << std::endl;
-  std::exit(EXIT_FAILURE);
-}
-
-}  // end namespace
-
-double ProcessCPUUsage() {
-#if defined(BENCHMARK_OS_WINDOWS)
-  HANDLE proc = GetCurrentProcess();
-  FILETIME creation_time;
-  FILETIME exit_time;
-  FILETIME kernel_time;
-  FILETIME user_time;
-  if (GetProcessTimes(proc, &creation_time, &exit_time, &kernel_time,
-                      &user_time))
-    return MakeTime(kernel_time, user_time);
-  DiagnoseAndExit("GetProccessTimes() failed");
-#elif defined(BENCHMARK_OS_EMSCRIPTEN)
-  // clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) returns 0 on Emscripten.
-  // Use Emscripten-specific API. Reported CPU time would be exactly the
-  // same as total time, but this is ok because there aren't long-latency
-  // syncronous system calls in Emscripten.
-  return emscripten_get_now() * 1e-3;
-#elif defined(CLOCK_PROCESS_CPUTIME_ID) && !defined(BENCHMARK_OS_MACOSX)
-  // FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See
-  // https://github.com/google/benchmark/pull/292
-  struct timespec spec;
-  if (clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &spec) == 0)
-    return MakeTime(spec);
-  DiagnoseAndExit("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...) failed");
-#else
-  struct rusage ru;
-  if (getrusage(RUSAGE_SELF, &ru) == 0) return MakeTime(ru);
-  DiagnoseAndExit("getrusage(RUSAGE_SELF, ...) failed");
-#endif
-}
-
-double ThreadCPUUsage() {
-#if defined(BENCHMARK_OS_WINDOWS)
-  HANDLE this_thread = GetCurrentThread();
-  FILETIME creation_time;
-  FILETIME exit_time;
-  FILETIME kernel_time;
-  FILETIME user_time;
-  GetThreadTimes(this_thread, &creation_time, &exit_time, &kernel_time,
-                 &user_time);
-  return MakeTime(kernel_time, user_time);
-#elif defined(BENCHMARK_OS_MACOSX)
-  // FIXME We want to use clock_gettime, but its not available in MacOS 10.11. See
-  // https://github.com/google/benchmark/pull/292
-  mach_msg_type_number_t count = THREAD_BASIC_INFO_COUNT;
-  thread_basic_info_data_t info;
-  mach_port_t thread = pthread_mach_thread_np(pthread_self());
-  if (thread_info(thread, THREAD_BASIC_INFO, (thread_info_t)&info, &count) ==
-      KERN_SUCCESS) {
-    return MakeTime(info);
-  }
-  DiagnoseAndExit("ThreadCPUUsage() failed when evaluating thread_info");
-#elif defined(BENCHMARK_OS_EMSCRIPTEN)
-  // Emscripten doesn't support traditional threads
-  return ProcessCPUUsage();
-#elif defined(BENCHMARK_OS_RTEMS)
-  // RTEMS doesn't support CLOCK_THREAD_CPUTIME_ID. See
-  // https://github.com/RTEMS/rtems/blob/master/cpukit/posix/src/clockgettime.c
-  return ProcessCPUUsage();
-#elif defined(BENCHMARK_OS_SOLARIS)
-  struct rusage ru;
-  if (getrusage(RUSAGE_LWP, &ru) == 0) return MakeTime(ru);
-  DiagnoseAndExit("getrusage(RUSAGE_LWP, ...) failed");
-#elif defined(CLOCK_THREAD_CPUTIME_ID)
-  struct timespec ts;
-  if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts) == 0) return MakeTime(ts);
-  DiagnoseAndExit("clock_gettime(CLOCK_THREAD_CPUTIME_ID, ...) failed");
-#else
-#error Per-thread timing is not available on your system.
-#endif
-}
-
-namespace {
-
-std::string DateTimeString(bool local) {
-  typedef std::chrono::system_clock Clock;
-  std::time_t now = Clock::to_time_t(Clock::now());
-  const std::size_t kStorageSize = 128;
-  char storage[kStorageSize];
-  std::size_t written;
-
-  if (local) {
-#if defined(BENCHMARK_OS_WINDOWS)
-    written =
-        std::strftime(storage, sizeof(storage), "%x %X", ::localtime(&now));
-#else
-    std::tm timeinfo;
-    ::localtime_r(&now, &timeinfo);
-    written = std::strftime(storage, sizeof(storage), "%F %T", &timeinfo);
-#endif
-  } else {
-#if defined(BENCHMARK_OS_WINDOWS)
-    written = std::strftime(storage, sizeof(storage), "%x %X", ::gmtime(&now));
-#else
-    std::tm timeinfo;
-    ::gmtime_r(&now, &timeinfo);
-    written = std::strftime(storage, sizeof(storage), "%F %T", &timeinfo);
-#endif
-  }
-  CHECK(written < kStorageSize);
-  ((void)written);  // prevent unused variable in optimized mode.
-  return std::string(storage);
-}
-
-}  // end namespace
-
-std::string LocalDateTimeString() { return DateTimeString(true); }
-
-}  // end namespace benchmark