1 .\" Copyright (c) 1995 Michael Chastain (mec@shell.portal.com), 15 April 1995.
3 .\" %%%LICENSE_START(GPLv2+_DOC_FULL)
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24 .\" Modified Tue Oct 22 08:11:14 EDT 1996 by Eric S. Raymond <esr@thyrsus.com>
25 .TH IPC 2 2017-09-15 "Linux" "Linux Programmer's Manual"
27 ipc \- System V IPC system calls
30 .BI "int ipc(unsigned int " call ", int " first ", int " second \
32 .BI " void *" ptr ", long " fifth );
36 is a common kernel entry point for the System\ V IPC calls
37 for messages, semaphores, and shared memory.
39 determines which IPC function to invoke;
40 the other arguments are passed through to the appropriate call.
42 User-space programs should call the appropriate functions by their usual names.
43 Only standard library implementors and kernel hackers need to know about
47 is Linux-specific, and should not be used in programs
48 intended to be portable.
50 On some architectures\(emfor example x86-64 and ARM\(emthere is no
56 and so on really are implemented as separate system calls.