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acb61b7a52
rocksdb/port
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Dmitri Smirnov acb61b7a52 Adjust pread/pwrite to return Status 
Summary:
Returning bytes_read causes the caller to call GetLastError()
  to report failure but the lasterror may be overwritten by then
  so we lose the error code.
  Fix up CMake file to include xpress source code only when needed.
  Fix warning for the uninitialized var.
Closes https://github.com/facebook/rocksdb/pull/3795

Differential Revision: D7832935

Pulled By: anand1976

fbshipit-source-id: 4be21affb9b85d361b96244f4ef459f492b7cb2b
2018-05-01 13:42:46 -07:00
..
win Adjust pread/pwrite to return Status 2018-05-01 13:42:46 -07:00
dirent.h Change RocksDB License 2017-07-15 16:11:23 -07:00
likely.h Change RocksDB License 2017-07-15 16:11:23 -07:00
port_example.h Change RocksDB License 2017-07-15 16:11:23 -07:00
port_posix.cc Use nullptr instead of NULL / 0 more consistently. 2018-03-07 12:42:12 -08:00
port_posix.h Explictly fail writes if key or value is not smaller than 4GB 2018-02-09 14:57:54 -08:00
port.h Change RocksDB License 2017-07-15 16:11:23 -07:00
README reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
stack_trace.cc Comment out unused variables 2018-03-05 13:13:41 -08:00
stack_trace.h Change RocksDB License 2017-07-15 16:11:23 -07:00
sys_time.h Change RocksDB License 2017-07-15 16:11:23 -07:00
util_logger.h Change RocksDB License 2017-07-15 16:11:23 -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.