Support for DISPATCH_SOURCE_TYPE_READ should be there. If I remember
correctly its just support for processes and VM memory pressure that isn't
available.
···
From: Daniel Eggert <danieleggert@me.com>
To: Chris Bailey/UK/IBM@IBMGB
Cc: Dan Stenmark <daniel.j.stenmark@gmail.com>, Swift core libraries
<swift-corelibs-dev@swift.org>
Date: 20/04/2016 02:46
Subject: Re: [swift-corelibs-dev] NSTask and NSFileHandle
implementation
Wouldn't it still be a huge win to use dispatch for reading from / writing
to a file descriptor?
/Daniel
On Apr 18, 2016, at 01:52, Chris Bailey via swift-corelibs-dev < swift-corelibs-dev@swift.org> wrote:
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@swift.org>
To: Alexander Alemayhu <alexander@alemayhu.com>
Cc: Swift core libraries <swift-corelibs-dev@swift.org>
Date: 16/04/2016 22:00
Subject: Re: [swift-corelibs-dev] NSTask and NSFileHandle
implementation
Sent by: swift-corelibs-dev-bounces@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@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@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]: [SR-625] NSTask on ubuntu dont redirect stdout to NSPipe · Issue #4464 · apple/swift-corelibs-foundation · GitHub
--
Mit freundlichen Grüßen
Alexander Alemayhu
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