[swift-corelibs-dev] NSTask and NSFileHandle implementation

[Chris Bailey]

Hi Dan:

The Dispatch sources are mostly complete - unfortunately 
DISPATCH_SOURCE_TYPE_PROC isn't there and it unlikely to be there in a 
hurry. It would ideally need the underlying kqueue library to have 
EVFILT_PROC support, which it doesn't today.

Chris




From:   Dan Stenmark via swift-corelibs-dev <swift-corelibs-dev at swift.org>
To:     Alexander Alemayhu <alexander at alemayhu.com>
Cc:     Swift core libraries <swift-corelibs-dev at swift.org>
Date:   16/04/2016 22:00
Subject:        Re: [swift-corelibs-dev] NSTask and NSFileHandle 
implementation
Sent by:        swift-corelibs-dev-bounces at swift.org



While we’re on the subject, I’ve been out of the loop for a little while: 
how’s the Linux-side implementation of dispatch sources looking these 
days?  In particular, I’m interested in the status of 
DISPATCH_SOURCE_TYPE_READ and DISPATCH_SOURCE_TYPE_PROC.

Right now, NSTask is using Good Ol’ CFRunLoops for it’s event handling, 
and I’d really like to move that over to GCD as soon as I can.

Dan


On Apr 16, 2016, at 1:55 PM, Dan Stenmark <daniel.j.stenmark at gmail.com> 
wrote:

Hey Alexander,

I supplied most of the initial implementation of NSTask, but was holding 
off on IO redirection until someone tackled NSFileHandle.  I can’t say if 
anyone else on this list is working on this right now, but if not and if 
you’re really interested in finishing NSFileHandle, I would (very 
happily!) take care of the relevant implementation in NSTask.

Dan

On Apr 16, 2016, at 1:50 AM, Alexander Alemayhu via swift-corelibs-dev <
swift-corelibs-dev at swift.org> wrote:

Hei Everyone,

Is anyone working on the NSTask and/or NSFileHandle implementation? 

I would like to fix the hangs issue in order to revert 
[3aa8434][0](disable
NSTask tests for now since it can cause hangs., 2016-01-21), but want to 
avoid
duplicating work. Fixing this should also resolve [SR-625][1].

Thanks.

[0]: 
https://github.com/apple/swift-corelibs-foundation/commit/3aa8434df50d9513a0ac1646fb52516a092fa728
[1]: https://bugs.swift.org/browse/SR-625

-- 
Mit freundlichen Grüßen

Alexander Alemayhu
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