<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <!--Converted with LaTeX2HTML 96.1-c (Feb 29, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --> <HTML> <HEAD> <TITLE>Internal Data Structures</TITLE> <META NAME="description" CONTENT="Internal Data Structures"> <META NAME="keywords" CONTENT="lpg"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <LINK REL=STYLESHEET HREF="lpg.css"> </HEAD> <BODY LANG="EN"> <A NAME="tex2html980" HREF="node49.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="/icons//next_motif.gif"></A> <A NAME="tex2html978" HREF="node46.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="/icons//up_motif.gif"></A> <A NAME="tex2html972" HREF="node47.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="/icons//previous_motif.gif"></A> <A NAME="tex2html982" HREF="node1.html"><IMG WIDTH=65 HEIGHT=24 ALIGN=BOTTOM ALT="contents" SRC="/icons//contents_motif.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html981" HREF="node49.html">Kernel semid_ds structure</A> <B>Up:</B> <A NAME="tex2html979" HREF="node46.html">6.4.3 Semaphores</A> <B> Previous:</B> <A NAME="tex2html973" HREF="node47.html">Basic Concepts</A> <BR> <P> <H3><A NAME="SECTION00743200000000000000">Internal Data Structures</A></H3> <P> Let's briefly look at data structures maintained by the kernel for semaphore sets. <P> <BR> <HR> <UL> <LI> <A NAME="tex2html983" HREF="node49.html#SECTION00743210000000000000">Kernel <TT>semid_ds</TT> structure</A> <LI> <A NAME="tex2html984" HREF="node50.html#SECTION00743220000000000000">Kernel <TT>sem</TT> structure</A> </UL> <BR> <HR> <P><ADDRESS> <I>Converted on: <BR> Fri Mar 29 14:43:04 EST 1996</I> </ADDRESS> </BODY> </HTML>