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Re: [patch/cygwin] O_CLOEXEC/F_DUPFD_CLOEXEC/dup3/pipe2

From: Eric Blake <ebb9 at byu dot net>
To: newlib at sourceware dot org
Date: Thu, 14 Jan 2010 13:07:27 -0700
Subject: Re: [patch/cygwin] O_CLOEXEC/F_DUPFD_CLOEXEC/dup3/pipe2
References: <20100114184918.GA30192@calimero.vinschen.de>

According to Corinna Vinschen on 1/14/2010 11:49 AM:
> Hi,
> 
> I applied the below patch for Cygwin only.  I just created a matching
> patch to Cygwin which adds this Linux-specific functionality.

Just a point of clarification:

> 
> 	* libc/include/sys/_default_fcntl.h (O_CLOEXEC): Define as _FNOINHERIT.
> 	(F_DUPFD_CLOEXEC): Define for Cygwin.

O_CLOEXEC and F_DUPFD_CLOEXEC are POSIX 2008.

> 	* libc/include/sys/unistd.h (dup3): Define for Cygwin.
> 	(pipe2): Ditto.

Whereas dup3 and pipe2 are Linux inventions.

-- 
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net

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References:
- [patch/cygwin] O_CLOEXEC/F_DUPFD_CLOEXEC/dup3/pipe2
  - From: Corinna Vinschen

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