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Peter Dillinger cdb11f5ce6 More minor HCC refactoring + typed mmap (#11670) 
Summary:
More code leading up to dynamic HCC.
* Small enhancements to cache_bench
* Extra assertion in Unref
* Improve a CAS loop in ChargeUsageMaybeEvictStrict
* Put load factor constants in appropriate class
* Move `standalone` field to HyperClockTable::HandleImpl because it can be encoded differently in the upcoming dynamic HCC.
* Add a typed version of MemMapping to simplify some future code.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11670

Test Plan: existing tests, unit test added for TypedMemMapping

Reviewed By: jowlyzhang

Differential Revision: D48056464

Pulled By: pdillinger

fbshipit-source-id: 186b7d3105c5d6d2eb6a592369bc10a97ee14a15
 		2023-08-07 12:20:23 -07:00
..
win Add an interface to provide support for underlying FS to pass their own buffer during reads (#11324) 2023-06-23 11:48:49 -07:00
README reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
jemalloc_helper.h Fix FreeBSD building (#10575) 2022-08-28 00:05:51 -07:00
lang.h Simplify detection of x86 CPU features (#11419) 2023-05-09 22:25:45 -07:00
likely.h clang format files under port/ (#10849) 2022-10-24 16:56:01 -07:00
malloc.h Charge block cache for cache internal usage (#5797) 2019-09-16 15:26:21 -07:00
mmap.cc Improve / refactor anonymous mmap capabilities (#10810) 2022-10-17 17:10:16 -07:00
mmap.h More minor HCC refactoring + typed mmap (#11670) 2023-08-07 12:20:23 -07:00
port.h Change RocksDB License 2017-07-15 16:11:23 -07:00
port_dirent.h clang format files under port/ (#10849) 2022-10-24 16:56:01 -07:00
port_example.h Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
port_posix.cc clang format files under port/ (#10849) 2022-10-24 16:56:01 -07:00
port_posix.h remove dependency on options.h for port_posix.h andport_win.h (#11214) 2023-02-13 02:21:38 -08:00
stack_trace.cc Add OpenBSD Support (#11255) 2023-06-27 11:58:29 -07:00
stack_trace.h Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
sys_time.h clang format files under port/ (#10849) 2022-10-24 16:56:01 -07:00
util_logger.h Use EnvLogger instead of PosixLogger (#10436) 2022-08-01 14:37:18 -07:00
xpress.h Change RocksDB License 2017-07-15 16:11:23 -07:00

README 

This directory contains interfaces and implementations that isolate the
rest of the package from platform details.

Code in the rest of the package includes "port.h" from this directory.
"port.h" in turn includes a platform specific "port_<platform>.h" file
that provides the platform specific implementation.

See port_posix.h for an example of what must be provided in a platform
specific header file.