1 files changed, 0 insertions, 233 deletions
diff --git a/test/util/test_util.cc b/test/util/test_util.cc
deleted file mode 100644
index 8a037f45f..000000000
--- a/test/util/test_util.cc
+++ /dev/null
@@ -1,233 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// 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 "test/util/test_util.h"
-
-#include <limits.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/uio.h>
-#include <sys/utsname.h>
-#include <unistd.h>
-
-#include <ctime>
-#include <iostream>
-#include <vector>
-
-#include "absl/base/attributes.h"
-#include "absl/flags/flag.h"   // IWYU pragma: keep
-#include "absl/flags/parse.h"  // IWYU pragma: keep
-#include "absl/strings/numbers.h"
-#include "absl/strings/str_cat.h"
-#include "absl/strings/str_split.h"
-#include "absl/time/time.h"
-#include "test/util/fs_util.h"
-#include "test/util/posix_error.h"
-
-namespace gvisor {
-namespace testing {
-
-constexpr char kGvisorNetwork[] = "GVISOR_NETWORK";
-constexpr char kGvisorVfs[] = "GVISOR_VFS";
-
-bool IsRunningOnGvisor() { return GvisorPlatform() != Platform::kNative; }
-
-const std::string GvisorPlatform() {
-  // Set by runner.go.
-  const char* env = getenv(kTestOnGvisor);
-  if (!env) {
-    return Platform::kNative;
-  }
-  return std::string(env);
-}
-
-bool IsRunningWithHostinet() {
-  const char* env = getenv(kGvisorNetwork);
-  return env && strcmp(env, "host") == 0;
-}
-
-bool IsRunningWithVFS1() {
-  const char* env = getenv(kGvisorVfs);
-  if (env == nullptr) {
-    // If not set, it's running on Linux.
-    return false;
-  }
-  return strcmp(env, "VFS1") == 0;
-}
-
-// Inline cpuid instruction.  Preserve %ebx/%rbx register. In PIC compilations
-// %ebx contains the address of the global offset table. %rbx is occasionally
-// used to address stack variables in presence of dynamic allocas.
-#if defined(__x86_64__)
-#define GETCPUID(a, b, c, d, a_inp, c_inp) \
-  asm("mov %%rbx, %%rdi\n"                 \
-      "cpuid\n"                            \
-      "xchg %%rdi, %%rbx\n"                \
-      : "=a"(a), "=D"(b), "=c"(c), "=d"(d) \
-      : "a"(a_inp), "2"(c_inp))
-
-CPUVendor GetCPUVendor() {
-  uint32_t eax, ebx, ecx, edx;
-  std::string vendor_str;
-  // Get vendor string (issue CPUID with eax = 0)
-  GETCPUID(eax, ebx, ecx, edx, 0, 0);
-  vendor_str.append(reinterpret_cast<char*>(&ebx), 4);
-  vendor_str.append(reinterpret_cast<char*>(&edx), 4);
-  vendor_str.append(reinterpret_cast<char*>(&ecx), 4);
-  if (vendor_str == "GenuineIntel") {
-    return CPUVendor::kIntel;
-  } else if (vendor_str == "AuthenticAMD") {
-    return CPUVendor::kAMD;
-  }
-  return CPUVendor::kUnknownVendor;
-}
-#endif  // defined(__x86_64__)
-
-bool operator==(const KernelVersion& first, const KernelVersion& second) {
-  return first.major == second.major && first.minor == second.minor &&
-         first.micro == second.micro;
-}
-
-PosixErrorOr<KernelVersion> ParseKernelVersion(absl::string_view vers_str) {
-  KernelVersion version = {};
-  std::vector<std::string> values =
-      absl::StrSplit(vers_str, absl::ByAnyChar(".-"));
-  if (values.size() == 2) {
-    ASSIGN_OR_RETURN_ERRNO(version.major, Atoi<int>(values[0]));
-    ASSIGN_OR_RETURN_ERRNO(version.minor, Atoi<int>(values[1]));
-    return version;
-  } else if (values.size() >= 3) {
-    ASSIGN_OR_RETURN_ERRNO(version.major, Atoi<int>(values[0]));
-    ASSIGN_OR_RETURN_ERRNO(version.minor, Atoi<int>(values[1]));
-    ASSIGN_OR_RETURN_ERRNO(version.micro, Atoi<int>(values[2]));
-    return version;
-  }
-  return PosixError(EINVAL, absl::StrCat("Unknown kernel release: ", vers_str));
-}
-
-PosixErrorOr<KernelVersion> GetKernelVersion() {
-  utsname buf;
-  RETURN_ERROR_IF_SYSCALL_FAIL(uname(&buf));
-  return ParseKernelVersion(buf.release);
-}
-
-std::string CPUSetToString(const cpu_set_t& set, size_t cpus) {
-  std::string str = "cpuset[";
-  for (unsigned int n = 0; n < cpus; n++) {
-    if (CPU_ISSET(n, &set)) {
-      if (n != 0) {
-        absl::StrAppend(&str, " ");
-      }
-      absl::StrAppend(&str, n);
-    }
-  }
-  absl::StrAppend(&str, "]");
-  return str;
-}
-
-// An overloaded operator<< makes it easy to dump the value of an OpenFd.
-std::ostream& operator<<(std::ostream& out, OpenFd const& ofd) {
-  out << ofd.fd << " -> " << ofd.link;
-  return out;
-}
-
-// An overloaded operator<< makes it easy to dump a vector of OpenFDs.
-std::ostream& operator<<(std::ostream& out, std::vector<OpenFd> const& v) {
-  for (const auto& ofd : v) {
-    out << ofd << std::endl;
-  }
-  return out;
-}
-
-PosixErrorOr<std::vector<OpenFd>> GetOpenFDs() {
-  // Get the results from /proc/self/fd.
-  ASSIGN_OR_RETURN_ERRNO(auto dir_list,
-                         ListDir("/proc/self/fd", /*skipdots=*/true));
-
-  std::vector<OpenFd> ret_fds;
-  for (const auto& str_fd : dir_list) {
-    OpenFd open_fd = {};
-    ASSIGN_OR_RETURN_ERRNO(open_fd.fd, Atoi<int>(str_fd));
-    std::string path = absl::StrCat("/proc/self/fd/", open_fd.fd);
-
-    // Resolve the link.
-    char buf[PATH_MAX] = {};
-    int ret = readlink(path.c_str(), buf, sizeof(buf));
-    if (ret < 0) {
-      if (errno == ENOENT) {
-        // The FD may have been closed, let's be resilient.
-        continue;
-      }
-
-      return PosixError(
-          errno, absl::StrCat("readlink of ", path, " returned errno ", errno));
-    }
-    open_fd.link = std::string(buf, ret);
-    ret_fds.emplace_back(std::move(open_fd));
-  }
-  return ret_fds;
-}
-
-PosixErrorOr<uint64_t> Links(const std::string& path) {
-  struct stat st;
-  if (stat(path.c_str(), &st)) {
-    return PosixError(errno, absl::StrCat("Failed to stat ", path));
-  }
-  return static_cast<uint64_t>(st.st_nlink);
-}
-
-void RandomizeBuffer(void* buffer, size_t len) {
-  struct timespec ts = {};
-  clock_gettime(CLOCK_MONOTONIC, &ts);
-  uint32_t seed = static_cast<uint32_t>(ts.tv_nsec);
-  char* const buf = static_cast<char*>(buffer);
-  for (size_t i = 0; i < len; i++) {
-    buf[i] = rand_r(&seed) % 255;
-  }
-}
-
-std::vector<std::vector<struct iovec>> GenerateIovecs(uint64_t total_size,
-                                                      void* buf,
-                                                      size_t buflen) {
-  std::vector<std::vector<struct iovec>> result;
-  for (uint64_t offset = 0; offset < total_size;) {
-    auto& iovec_array = *result.emplace(result.end());
-
-    for (; offset < total_size && iovec_array.size() < IOV_MAX;
-         offset += buflen) {
-      struct iovec iov = {};
-      iov.iov_base = buf;
-      iov.iov_len = std::min<uint64_t>(total_size - offset, buflen);
-      iovec_array.push_back(iov);
-    }
-  }
-
-  return result;
-}
-
-uint64_t Megabytes(uint64_t n) {
-  // Overflow check, upper 20 bits in n shouldn't be set.
-  TEST_CHECK(!(0xfffff00000000000 & n));
-  return n << 20;
-}
-
-bool Equivalent(uint64_t current, uint64_t target, double tolerance) {
-  auto abs_diff = target > current ? target - current : current - target;
-  return abs_diff <= static_cast<uint64_t>(tolerance * target);
-}
-
-}  // namespace testing
-}  // namespace gvisor