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Diffstat (limited to 'include/perfetto/base/temp_file.h')
-rw-r--r-- | include/perfetto/base/temp_file.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/perfetto/base/temp_file.h b/include/perfetto/base/temp_file.h new file mode 100644 index 000000000..e862971a8 --- /dev/null +++ b/include/perfetto/base/temp_file.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * 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. + */ + +#ifndef INCLUDE_PERFETTO_BASE_TEMP_FILE_H_ +#define INCLUDE_PERFETTO_BASE_TEMP_FILE_H_ + +#include <string> + +#include "perfetto/base/scoped_file.h" + +namespace perfetto { +namespace base { + +class TempFile { + public: + static TempFile CreateUnlinked(); + static TempFile Create(); + + TempFile(TempFile&&) noexcept; + TempFile& operator=(TempFile&&); + ~TempFile(); + + const std::string& path() const { return path_; } + int fd() const { return *fd_; } + int operator*() const { return *fd_; } + + // Unlinks the file from the filesystem but keeps the fd() open. + // It is safe to call this multiple times. + void Unlink(); + + // Releases the underlying file descriptor. Will unlink the file from the + // filesystem if it was created via CreateUnlinked(). + ScopedFile ReleaseFD(); + + private: + TempFile(); + TempFile(const TempFile&) = delete; + TempFile& operator=(const TempFile&) = delete; + + ScopedFile fd_; + std::string path_; +}; + +class TempDir { + public: + static TempDir Create(); + + TempDir(TempDir&&) noexcept; + TempDir& operator=(TempDir&&); + ~TempDir(); + + const std::string& path() const { return path_; } + + private: + TempDir(); + TempDir(const TempDir&) = delete; + TempDir& operator=(const TempDir&) = delete; + + std::string path_; +}; + +} // namespace base +} // namespace perfetto + +#endif // INCLUDE_PERFETTO_BASE_TEMP_FILE_H_ |