Issue #4532 has been updated by ko1 (Koichi Sasada). Description updated Assignee changed from matz (Yukihiro Matsumoto) to kosaki (Motohiro KOSAKI) Target version changed from 2.0.0 to next minor kosaki-san, could you talk with matz about this ticket? Please change target to 2.0 if you success to persuade matz. ---------------------------------------- Feature #4532: [PATCH] add IO#pread and IO#pwrite methods https://bugs.ruby-lang.org/issues/4532#change-31657 Author: normalperson (Eric Wong) Status: Assigned Priority: Normal Assignee: kosaki (Motohiro KOSAKI) Category: core Target version: next minor =begin These methods are useful for safe/concurrent file I/O in multi-thread/process environments and also fairly standard nowadays especially in systems supporting pthreads. pread() is already used internally for IO.copy_stream =end -- http://bugs.ruby-lang.org/