Copyright (c) 1986, 1993
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
@(#)0.t 8.1 (Berkeley) 6/8/93
.EH 'PSD:21-%''Advanced 4.4BSD IPC Tutorial' .OH 'Advanced 4.4BSD IPC Tutorial''PSD:21-%' 3.5i went to 3.8i
.. .bd S B 3 An Advanced 4.4BSD Interprocess Communication Tutorial .AU Samuel J. Leffler .AU Robert S. Fabry .AU William N. Joy .AU Phil Lapsley .AI Computer Systems Research Group Department of Electrical Engineering and Computer Science University of California, Berkeley Berkeley, California 94720 .AU Steve Miller .AU Chris Torek .AI Heterogeneous Systems Laboratory Department of Computer Science University of Maryland, College Park College Park, Maryland 20742 \\$1\\$2 .. UNIX\\$1 .. .AB
The Regents of the University of California. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
@(#)0.t 8.1 (Berkeley) 6/8/93
.EH 'PSD:21-%''Advanced 4.4BSD IPC Tutorial' .OH 'Advanced 4.4BSD IPC Tutorial''PSD:21-%' 3.5i went to 3.8i
.. .bd S B 3 An Advanced 4.4BSD Interprocess Communication Tutorial .AU Samuel J. Leffler .AU Robert S. Fabry .AU William N. Joy .AU Phil Lapsley .AI Computer Systems Research Group Department of Electrical Engineering and Computer Science University of California, Berkeley Berkeley, California 94720 .AU Steve Miller .AU Chris Torek .AI Heterogeneous Systems Laboratory Department of Computer Science University of Maryland, College Park College Park, Maryland 20742 \\$1\\$2 .. UNIX\\$1 .. .AB
.FS * \s-2UNIX\s0 is a trademark of UNIX System Laboratories, Inc. in the US and some other countries. .FE This document provides an introduction to the interprocess communication facilities included in the 4.4BSD release of the X * system.
It discusses the overall model for interprocess communication and introduces the interprocess communication primitives which have been added to the system. The majority of the document considers the use of these primitives in developing applications. The reader is expected to be familiar with the C programming language as all examples are written in C. .AE