Issue #11258 has been updated by ko1 (Koichi Sasada).

Assignee set to znz (Kazuhiro NISHIYAMA)

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Feature #11258: add 'x' mode character for O_EXCL
https://bugs.ruby-lang.org/issues/11258#change-73401

* Author: cremno (cremno phobia)
* Status: Open
* Priority: Normal
* Assignee: znz (Kazuhiro NISHIYAMA)
* Target version: 
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I just saw #11253 which contains:

>But some modes has only integer form like O_CLOEXEC, O_EXCL.

However C11 added `x` to open a file for exclusive access. It's also supported by Python.

http://port70.net/~nsz/c/c11/n1570.html#7.21.5.3p5
https://docs.python.org/3.3/library/functions.html#open

---Files--------------------------------
excl_mode_v1.diff (3.46 KB)
excl_mode_v2.diff (4.41 KB)


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