mirror of
https://github.com/ruby/ruby.git
synced 2026-01-27 12:34:21 +00:00
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. Based on patches by Avseyev <sergey.avseyev@gmail.com> at [ruby-core:79290]. [Feature #4532] * configure.in: check for pwrite(2). pread() is already used internally for IO.copy_stream. * io.c: implement wrappers for pread(2) and pwrite(2) and expose them in IO. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58240 b2dd03c8-39d4-4d8f-98ff-823fe69b080e