/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
/*
* TLI-like function to send datagrams over a specified
* transport endpoint.
*
* Returns:
* 0 on success or positive error code.
*/
int
{
int msgsz;
int error;
int flag;
error = 0;
/*
* See if Class 0 is required
*/
/*
* user has supplied their own buffer, all we have to
* do is allocate a class 0 streams buffer and set it
* up.
*/
return (ENOSR);
return (ENOSR);
/*
* user has done it all
*/
goto gotdp;
} else {
/*
* zero length message.
*/
}
if (dbp)
/*
* Okay, put the control part in
*/
msgsz = (int)TUNITDATAREQSZ;
/*
* Usually sendto()s are performed with the credential of the caller;
* in this particular case we specifically use the credential of
* the opener as this call is typically done in the context of a user
* process but on behalf of the kernel, e.g., a client connection
* to a server which is later shared by different users.
* At open time, we make sure to set fp->f_cred to kcred if such is
* the case.
*
* Note: if the receiver uses SCM_UCRED/getpeerucred the pid will
* appear as -1.
*/
BPRI_LO)) {
return (ENOSR);
}
}
/* LINTED pointer alignment */
} else
udreq->DEST_offset = 0;
} else
udreq->OPT_offset = 0;
/*
* link the two.
*/
/*
* Put it to the transport provider.
* tli_send() always consumes the message.
*/
return (error);
}