From owner-freebsd-hackers Tue Jun 12 2:53:53 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from ip.eth.net (mail.ip.eth.net [202.9.128.18]) by hub.freebsd.org (Postfix) with ESMTP id 211BE37B401 for ; Tue, 12 Jun 2001 02:53:47 -0700 (PDT) (envelope-from anjali@indranetworks.com) Received: (apparently) from anjali ([202.9.130.19]) by ip.eth.net with Microsoft SMTPSVC(5.5.1877.467.46); Tue, 12 Jun 2001 15:03:57 +0530 Message-ID: <03e201c0f322$e52e2c60$0a64a8c0@indranetworks.com> From: "Anjali Kulkarni" To: Subject: User-Level upcalls Date: Tue, 12 Jun 2001 15:04:34 +0530 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_03DF_01C0F350.FD63E710" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG This is a multi-part message in MIME format. ------=_NextPart_000_03DF_01C0F350.FD63E710 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable hi, Does any one know how to perform user-level upcalls from kernel TCP/IP = stack? If I wanted to get an upcall every time a data packet arrived on = a socket, how can it be done? Can I use signal handlers for this? Thanks, Anjali ------=_NextPart_000_03DF_01C0F350.FD63E710 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

hi,

Does any one know how to perform = user-level upcalls=20 from kernel TCP/IP stack? If I wanted to get an upcall every time a data = packet=20 arrived on a socket, how can it be done? Can I use signal handlers for=20 this?

Thanks,

Anjali

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