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Misc #12474

Updated by nobu (Nobuyoshi Nakada) over 3 years ago

## fork(2)

Windows already has related features like `CreateProcess`, CreateProcess, but for servers and workers fork is required for source code compatibility of existing scripts,
which are written for Unix.

## nonblocking IO

* To check socket's availability by `IO#read_nonblock` IO#read_nonblock https://github.com/ruby/ruby/pull/1089
* `O_NONBLOCK` O_NONBLOCK

## tz

Get IANA timezone name of current timezone from OS.

## Remove a file which is opened by another process

If the process opens the file with `CreateFile` CreateFile with `FILE_SHARE_DELETE` FILE_SHARE_DELETE flag, another process can remove the file.
But in that case processes can't remove its parent folder.
https://bugs.ruby-lang.org/issues/11218

## symlink


Windows has mklink and SeCreateSymbolicLinkPrivilege, but it has some limitations.
http://k-takata.o.oo7.jp/diary/2013-04.html#03
https://twitter.com/n0kada/status/570232516545638400

## fd
### Generic handling of file, pipe, socket by fd
### fd passing to child process other than 0,1,2
### Get access mode from fd/HANDLE
### System side append mode


## socket

`CloseHandle` CloseHandle should work with socket.

## writev(2)

https://twitter.com/okuoku/status/670212493134852097
https://msdn.microsoft.com/ja-jp/library/windows/desktop/aa365749%28v=vs.85%29.aspx

## ANSI color code

http://srad.jp/story/16/02/09/0639223/

## UNIXSocket

We can emuate UNIXSocket with named pipe?

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