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Re: How to do a blocking read from a serial device?
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Re: How to do a blocking read from a serial device?

  • Subject: Re: How to do a blocking read from a serial device?
  • From: Garth Cummings <email@hidden>
  • Date: Mon, 10 Jul 2006 11:25:06 -0700
Hi Sean,

On Jul 10, 2006, at 10:34 AM, Sean McBride wrote:

Is there anyway to have read() block until the requested length is
ready?  Is my only other choice some kind of loop that calls read() and
usleep() over and over?  If so, how do I choose a sleep duration?

Take a look at termios(4). That should answer your question.

--gc
____________________________________________________________________
Garth Cummings  email@hidden
Sr. Software Engineer
Apple Developer Technical Support

<http://developer.apple.com/technicalsupport>

 

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 >How to do a blocking read from a serial device? (From: "Sean McBride" <email@hidden>)

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