1 files changed, 0 insertions, 142 deletions
diff --git a/test/syscalls/linux/madvise.cc b/test/syscalls/linux/madvise.cc
deleted file mode 100644
index f6ad4d18b..000000000
--- a/test/syscalls/linux/madvise.cc
+++ /dev/null
@@ -1,142 +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 <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-
-#include <string>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "gtest/gtest.h"
-#include "test/util/file_descriptor.h"
-#include "test/util/logging.h"
-#include "test/util/memory_util.h"
-#include "test/util/posix_error.h"
-#include "test/util/temp_path.h"
-#include "test/util/test_util.h"
-
-namespace gvisor {
-namespace testing {
-
-namespace {
-
-void ExpectAllMappingBytes(Mapping const& m, char c) {
-  auto const v = m.view();
-  for (size_t i = 0; i < kPageSize; i++) {
-    ASSERT_EQ(v[i], c) << "at offset " << i;
-  }
-}
-
-// Equivalent to ExpectAllMappingBytes but async-signal-safe and with less
-// helpful failure messages.
-void CheckAllMappingBytes(Mapping const& m, char c) {
-  auto const v = m.view();
-  for (size_t i = 0; i < kPageSize; i++) {
-    TEST_CHECK_MSG(v[i] == c, "mapping contains wrong value");
-  }
-}
-
-TEST(MadviseDontneedTest, ZerosPrivateAnonPage) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(
-      MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE));
-  ExpectAllMappingBytes(m, 0);
-  memset(m.ptr(), 1, m.len());
-  ExpectAllMappingBytes(m, 1);
-  ASSERT_THAT(madvise(m.ptr(), m.len(), MADV_DONTNEED), SyscallSucceeds());
-  ExpectAllMappingBytes(m, 0);
-}
-
-TEST(MadviseDontneedTest, ZerosCOWAnonPageInCallerOnly) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(
-      MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE));
-  ExpectAllMappingBytes(m, 0);
-  memset(m.ptr(), 2, m.len());
-  ExpectAllMappingBytes(m, 2);
-
-  // Do madvise in a child process.
-  pid_t pid = fork();
-  CheckAllMappingBytes(m, 2);
-  if (pid == 0) {
-    TEST_PCHECK(madvise(m.ptr(), m.len(), MADV_DONTNEED) == 0);
-    CheckAllMappingBytes(m, 0);
-    _exit(0);
-  }
-
-  ASSERT_THAT(pid, SyscallSucceeds());
-
-  int status = 0;
-  ASSERT_THAT(waitpid(-1, &status, 0), SyscallSucceedsWithValue(pid));
-  EXPECT_TRUE(WIFEXITED(status));
-  EXPECT_EQ(WEXITSTATUS(status), 0);
-  // The child's madvise should not have affected the parent.
-  ExpectAllMappingBytes(m, 2);
-}
-
-TEST(MadviseDontneedTest, DoesNotModifySharedAnonPage) {
-  auto m = ASSERT_NO_ERRNO_AND_VALUE(
-      MmapAnon(kPageSize, PROT_READ | PROT_WRITE, MAP_SHARED));
-  ExpectAllMappingBytes(m, 0);
-  memset(m.ptr(), 3, m.len());
-  ExpectAllMappingBytes(m, 3);
-  ASSERT_THAT(madvise(m.ptr(), m.len(), MADV_DONTNEED), SyscallSucceeds());
-  ExpectAllMappingBytes(m, 3);
-}
-
-TEST(MadviseDontneedTest, CleansPrivateFilePage) {
-  TempPath f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      /* parent = */ GetAbsoluteTestTmpdir(),
-      /* content = */ std::string(kPageSize, 4), TempPath::kDefaultFileMode));
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDWR));
-
-  Mapping m = ASSERT_NO_ERRNO_AND_VALUE(Mmap(
-      nullptr, kPageSize, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd.get(), 0));
-  ExpectAllMappingBytes(m, 4);
-  memset(m.ptr(), 5, m.len());
-  ExpectAllMappingBytes(m, 5);
-  ASSERT_THAT(madvise(m.ptr(), m.len(), MADV_DONTNEED), SyscallSucceeds());
-  ExpectAllMappingBytes(m, 4);
-}
-
-TEST(MadviseDontneedTest, DoesNotModifySharedFilePage) {
-  TempPath f = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
-      /* parent = */ GetAbsoluteTestTmpdir(),
-      /* content = */ std::string(kPageSize, 6), TempPath::kDefaultFileMode));
-  FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(f.path(), O_RDWR));
-
-  Mapping m = ASSERT_NO_ERRNO_AND_VALUE(Mmap(
-      nullptr, kPageSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0));
-  ExpectAllMappingBytes(m, 6);
-  memset(m.ptr(), 7, m.len());
-  ExpectAllMappingBytes(m, 7);
-  ASSERT_THAT(madvise(m.ptr(), m.len(), MADV_DONTNEED), SyscallSucceeds());
-  ExpectAllMappingBytes(m, 7);
-}
-
-TEST(MadviseDontneedTest, IgnoresPermissions) {
-  auto m =
-      ASSERT_NO_ERRNO_AND_VALUE(MmapAnon(kPageSize, PROT_NONE, MAP_PRIVATE));
-  EXPECT_THAT(madvise(m.ptr(), m.len(), MADV_DONTNEED), SyscallSucceeds());
-}
-
-}  // namespace
-
-}  // namespace testing
-}  // namespace gvisor