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/* Copyright 2015 The TensorFlow Authors. 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 "tensorflow/core/platform/tracing.h"
#include <unistd.h>
namespace tensorflow {
namespace port {
void Tracing::RegisterEvent(EventCategory id, const char* name) {
// TODO(opensource): implement
}
void Tracing::Initialize() {}
static bool TryGetEnv(const char* name, const char** value) {
*value = getenv(name);
return *value != nullptr && (*value)[0] != '\0';
}
const char* Tracing::LogDir() {
const char* dir;
if (TryGetEnv("TEST_TMPDIR", &dir)) return dir;
if (TryGetEnv("TMP", &dir)) return dir;
if (TryGetEnv("TMPDIR", &dir)) return dir;
dir = "/tmp";
if (access(dir, R_OK | W_OK | X_OK) == 0) return dir;
return "."; // Default to current directory.
}
static bool DoInit() {
Tracing::Initialize();
return true;
}
static const bool dummy = DoInit();
} // namespace port
} // namespace tensorflow
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