From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemming@brocade.com>
Subject: Re: [PATCH v7 03/10] eal/linux: add API to set rx
 interrupt event monitor
Date: Thu, 7 May 2015 19:58:59 -0700
Message-ID: <20150507195859.45fd2353@urahara>
References: <1425012976-10173-1-git-send-email-cunming.liang@intel.com>
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 <1430804386-28949-4-git-send-email-cunming.liang@intel.com>
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To: Cunming Liang <cunming.liang@intel.com>
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On Tue,  5 May 2015 13:39:39 +0800
Cunming Liang <cunming.liang@intel.com> wrote:

> +	bytes_read = read(fd, &buf, bytes_read);
> +	if (bytes_read < 0)
> +		RTE_LOG(ERR, EAL, "Error reading from file "
> +			"descriptor %d: %s\n", fd,
> +			strerror(errno)

The read could be interrupted (EINTR) or there could be a race (EWOULDBLOCK).
In those cases the code should not log anything.