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Re: how to set overtime to serial port block read/write?

From: Jonathan Larmour <jifl at jifvik dot org>
To: wb ning <helloningwb at gmail dot com>
Cc: ecos-discuss at ecos dot sourceware dot org
Date: Wed, 07 Oct 2009 04:16:53 +0100
Subject: Re: [ECOS] how to set overtime to serial port block read/write?
References: <44185a820909260058k6f820a1aheb6f37b2e4e868fc@mail.gmail.com> <4ABFDF2D.6070709@jifvik.org> <44185a820910061944l2e676e41s8dc91f3f9970a0fd@mail.gmail.com>

wb ning wrote:

I use cyg_io_get_config(io_handle, CYG_IO_GET_CONFIG_SERIAL_ABORT, 0,
&len) as you said. The return code of this function is 0, but seems my
cyg_io_read() seems still block there. I cannot find where the mistake
is, i used the test file at $ECOS_REPOSITORY/io/serial/v3_0/tests/.
And my code is like this:

Your code looks ok to me. Have you been able to debug with GDB and find out where the thread doing the read has stopped? A backtrace would be very useful.

Jifl
--
--["No sense being pessimistic, it wouldn't work anyway"]-- Opinions==mine

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References:
- Re: how to set overtime to serial port block read/write?
  - From: wb ning

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