From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Hilst Selli Subject: Re: Show application performance/errors from pseudo file Date: Fri, 17 Oct 2014 15:59:32 -0300 Message-ID: <54416714.6080100@gmail.com> References: <5440216C.3010207@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:cc:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=3M8hbqpS+JqeoS87ZHallyX/Fmp/hgANBmk2FpzDErw=; b=mppMgYZvY1ueHUyfUKWH4WX1db1V/N3rtrqc2MtwYXS1J/iXhK/i2E8VNbI8LOx7Xk zuX3+WdLSW4rTNgeFPg5hdP36rTbBghvYrVHqXGvEPNBRuVpedsNDSKbtmZJEohsfKfZ vCFi8Zem4ZPa5fZDQIhx6DUG9tjkuXF4iD9tN0x+OSXHjZAeT/dZdjnXa2tuJeas8bAr GKn0VAqbP7oG+qPm5wuym7MkjLH9jzjOj6XAgHPAUsZmWJm5JAT1QLN+vQhfZ1g5d4O7 NEzPGeBXqhBp/YrzTAf37dI25sKpaMMfJWBY2aJD2Q6iNt7lN6xPmc93cIegqXSVqJJS VaGw== In-Reply-To: Sender: linux-c-programming-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Cc: "linux-c-programming@vger.kernel.org" On 10/16/2014 05:31 PM, Yichao Yu wrote: > Resend as plain text. > > On Thu, Oct 16, 2014 at 4:01 PM, Yichao Yu wrote: >> >> >> On Thu, Oct 16, 2014 at 3:50 PM, Daniel Hilst Selli >> wrote: >>> >>> I'm writing a new application and would be nice to have a pseudo file >>> showing its status, just the way that procfs does with kernel. >>> I'm looking for sugestions, I want to `cat' files contents and have >>> something similar to /proc/meminfo >>> >>> First I think using named pipes, but, AFAIK, pipes would retain data >>> writed until someone read it, what I thought is a kind of read >>> hook that only show data when asked for. Here are a few requisites, >>> >>> - Don't retain data >>> - Don't generate disk I/O >>> - Vanish when application stops >>> - Work with a simple cat or something similar.. >> >> >> You should have a look at fuse[1]. >> >> [1] http://fuse.sourceforge.net/ >> >>> >>> >>> With that in mind I think about using unix domain sockets.. it seems to >>> fit all requisites, for >>> the fourth requisite I could use netcat, that is almost cat, >>> >>> Cheers >>> -- >>> To unsubscribe from this list: send the line "unsubscribe >>> linux-c-programming" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> Seems god, a little overkill for so simple stuff but adds nice features, I'm taking a look on further options.. Cheers