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From: tmoran@acm.org
Subject: Re: Blocking syscalls in Tasks
Date: Sun, 28 Sep 2008 12:48:22 -0500
Date: 2008-09-28T12:48:22-05:00	[thread overview]
Message-ID: <q7GdnQCVgLL7XkLVnZ2dnUVZ_h-dnZ2d@comcast.com> (raw)
In-Reply-To: gGCDk.53525$Mh5.46931@bgtnsc04-news.ops.worldnet.att.net

> Except for DOS in todays OS all Ada partitions are executed by native OS
> threads.
  This is confusing.  An Ada partition is not at all the same as an Ada
task, and there's no guarantee that an Ada task maps 1-1 to an OS thread.

> Now, in a GUI system, the RC_TASK (resource task) is blocked until a input
> device such as the mouse or keyboard actives the thread.
  MS Windows tasks do not block waiting for mouse or keyboard.  Windows
"event based" GUI design was based on a single thread and a polling loop.



  reply	other threads:[~2008-09-28 17:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-27 17:26 Blocking syscalls in Tasks schwering
2008-09-27 18:40 ` Peter C. Chapin
2008-09-27 20:11   ` schwering
2008-09-27 23:14     ` Peter C. Chapin
2008-09-27 18:58 ` Hibou57 (Yannick Duchêne)
2008-09-27 20:02   ` schwering
2008-09-27 20:16     ` Ed Falis
2008-09-27 21:54 ` Maciej Sobczak
2008-09-28  7:55   ` sjw
2008-09-28  3:16 ` anon
2008-09-28 17:48   ` tmoran [this message]
2008-09-28 23:39     ` anon
2008-09-30  2:35       ` Randy Brukardt
2008-09-30 10:06         ` anon
2008-09-30 11:01           ` Georg Bauhaus
2008-10-01  2:18             ` anon
2008-09-30 18:06           ` Adam Beneschan
2008-09-30 18:10             ` Ludovic Brenta
2008-09-30 20:09               ` Jeffrey R. Carter
2008-10-06 17:12           ` Ada compilers supporting Ada 2005 (was: Blocking syscalls in Tasks) Georg Bauhaus
2008-10-07 11:51             ` Colin Paul Gloster
2008-10-07 14:31               ` Britt Snodgrass
2008-10-07 15:39                 ` Colin Paul Gloster
2008-10-07 16:38                   ` Adam Beneschan
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