Summary:
fix the following error showing up in continuous tests:
```
Makefile:186: Warning: Compiling in debug mode. Don't use the resulting binary in production
port/mmap.cc:46:15: error: first argument in call to 'memcpy' is a pointer to non-trivially copyable type 'rocksdb::MemMapping' [-Werror,-Wnontrivial-memcall]
46 | std::memcpy(this, &other, sizeof(*this));
| ^
port/mmap.cc:46:15: note: explicitly cast the pointer to silence this warning
46 | std::memcpy(this, &other, sizeof(*this));
| ^
| (void*)
1 error generated.
make: *** [Makefile:2580: port/mmap.o] Error 1
make: *** Waiting for unfinished jobs....
```
Pull Request resolved: https://github.com/facebook/rocksdb/pull/13864
Test Plan: `make USE_CLANG=1 j=150 check` with https://github.com/facebook/rocksdb/blob/13f054febb26100184eeefaac11877d735d45ac2/build_tools/build_detect_platform#L61-L70 commented out.
Reviewed By: mszeszko-meta
Differential Revision: D80033441
Pulled By: cbi42
fbshipit-source-id: b2330eea71fe28243236b75128ec6f3f1e971873
RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)
This code is a library that forms the core building block for a fast key-value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it especially suitable for storing multiple terabytes of data in a single database.
Start with example usage here: https://github.com/facebook/rocksdb/tree/main/examples
See the github wiki for more explanation.
The public interface is in include/. Callers should not include or
rely on the details of any other header files in this package. Those
internal APIs may be changed without warning.
Questions and discussions are welcome on the RocksDB Developers Public Facebook group and email list on Google Groups.
License
RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.