Yes, you are right. Kees. "Bill Fairchild" <[email protected]> wrote in message news:<77142d37c0c3c34da0d7b1da7d7ca343087ff...@nwt-s-mbx2.rocketsoftware .com>... > SSCH is most definitely a machine instruction. > > Bill Fairchild > Rocket Software > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Vernooij, CP - SPLXM > Sent: Thursday, November 04, 2010 9:10 AM > To: [email protected] > Subject: Re: QDIO question > > "John Blythe Reid" <[email protected]> wrote in message > news:<[email protected]>... > > I've been looking over the latest ABC of z/OS System programming book, > > volume 4, that was published the other day and I read something about > > QDIO that made me curious. I notice that QDIO doesn't use channel > > programs for I/O but uses a SIGA (Signal Adapter) instruction. Looking > > at the Principles of Operation there's no SIGA instruction, so where > > is it ? Does anyone happen to know ? > > > > Thanks. > > > > Regards, > > John. > > > > SIGA is not a machine instruction, but a CCW (Channel command), like > SSCH etx. > > http://publib.boulder.ibm.com/infocenter/zos/v1r9/index.jsp?topic=/com.i > bm.zos.r9.ieav100/stio.htm > > Kees. > ******************************************************** > For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. > > Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. > Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 > ******************************************************** > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message.
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