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-rw-r--r--test/util/save_util.cc73
1 files changed, 0 insertions, 73 deletions
diff --git a/test/util/save_util.cc b/test/util/save_util.cc
deleted file mode 100644
index 05f52b80d..000000000
--- a/test/util/save_util.cc
+++ /dev/null
@@ -1,73 +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/save_util.h"
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <sys/syscall.h>
-#include <unistd.h>
-#include <atomic>
-#include <cerrno>
-
-#define GVISOR_COOPERATIVE_SAVE_TEST "GVISOR_COOPERATIVE_SAVE_TEST"
-
-namespace gvisor {
-namespace testing {
-namespace {
-
-enum class CooperativeSaveMode {
- kUnknown = 0, // cooperative_save_mode is statically-initialized to 0
- kAvailable,
- kNotAvailable,
-};
-
-std::atomic<CooperativeSaveMode> cooperative_save_mode;
-
-bool CooperativeSaveEnabled() {
- auto mode = cooperative_save_mode.load();
- if (mode == CooperativeSaveMode::kUnknown) {
- mode = (getenv(GVISOR_COOPERATIVE_SAVE_TEST) != nullptr)
- ? CooperativeSaveMode::kAvailable
- : CooperativeSaveMode::kNotAvailable;
- cooperative_save_mode.store(mode);
- }
- return mode == CooperativeSaveMode::kAvailable;
-}
-
-std::atomic<int> save_disable;
-
-} // namespace
-
-DisableSave::DisableSave() { save_disable++; }
-
-DisableSave::~DisableSave() { reset(); }
-
-void DisableSave::reset() {
- if (!reset_) {
- reset_ = true;
- save_disable--;
- }
-}
-
-void MaybeSave() {
- if (CooperativeSaveEnabled() && !save_disable.load()) {
- int orig_errno = errno;
- syscall(SYS_create_module, nullptr, 0);
- errno = orig_errno;
- }
-}
-
-} // namespace testing
-} // namespace gvisor