[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[6a82dd9] | 7 |
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[81fd230] | 8 | <sect1 id="ch-system-glibc" role="wrap">
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[6a82dd9] | 9 | <?dbhtml filename="glibc.html"?>
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| 10 |
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[e747759] | 11 | <sect1info condition="script">
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| 12 | <productname>glibc</productname>
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| 13 | <productnumber>&glibc-version;</productnumber>
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| 14 | <address>&glibc-url;</address>
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| 15 | </sect1info>
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| 16 |
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[6a82dd9] | 17 | <title>Glibc-&glibc-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-glibc">
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| 20 | <primary sortas="a-Glibc">Glibc</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Glibc package contains the main C library. This library provides
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| 27 | the basic routines for allocating memory, searching directories, opening and
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| 28 | closing files, reading and writing files, string handling, pattern matching,
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| 29 | arithmetic, and so on.</para>
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| 30 |
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| 31 | <segmentedlist>
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| 32 | <segtitle>&buildtime;</segtitle>
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| 33 | <segtitle>&diskspace;</segtitle>
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| 34 |
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| 35 | <seglistitem>
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[e4a5635] | 36 | <seg>&glibc-ch6-sbu;</seg>
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| 37 | <seg>&glibc-ch6-du;</seg>
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[6a82dd9] | 38 | </seglistitem>
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| 39 | </segmentedlist>
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| 40 |
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| 41 | </sect2>
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| 42 |
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| 43 | <sect2 role="installation">
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| 44 | <title>Installation of Glibc</title>
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| 45 |
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| 46 | <note>
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| 47 | <para>Some packages outside of LFS suggest installing GNU libiconv in
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| 48 | order to translate data from one encoding to another. The project's
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| 49 | home page (<ulink url="http://www.gnu.org/software/libiconv/"/>) says
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| 50 | <quote>This library provides an <function>iconv()</function>
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| 51 | implementation, for use on systems which don't have one, or whose
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| 52 | implementation cannot convert from/to Unicode.</quote> Glibc provides
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| 53 | an <function>iconv()</function> implementation and can convert from/to
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| 54 | Unicode, therefore libiconv is not required on an LFS system.</para>
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| 55 | </note>
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| 56 |
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| 57 | <para>The Glibc build system is self-contained and will install
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| 58 | perfectly, even though the compiler specs file and linker are still
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| 59 | pointing at <filename class="directory">/tools</filename>. The specs
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| 60 | and linker cannot be adjusted before the Glibc install because the
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| 61 | Glibc autoconf tests would give false results and defeat the goal
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| 62 | of achieving a clean build.</para>
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| 63 |
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[9da9f24f] | 64 | <para>The glibc-libidn tarball adds support for internationalized domain
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[6a82dd9] | 65 | names (IDN) to Glibc. Many programs that support IDN require the full
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[c226182] | 66 | <filename class="libraryfile">libidn</filename> library, not this add-on (see
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| 67 | <ulink url="&blfs-root;view/svn/general/libidn.html"/>).
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[6a82dd9] | 68 | Unpack the tarball from within the Glibc source directory:</para>
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[fa21b3d] | 69 |
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[81d71c26] | 70 | <screen><userinput remap="pre">tar -xvf ../glibc-libidn-&glibc-version;.tar.bz2
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[d9ed5f37] | 71 | mv -v glibc-libidn-&glibc-version; libidn</userinput></screen>
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[fa21b3d] | 72 |
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[fd40de87] | 73 | <!--
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| 74 | This should have been fixed a long time ago.
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| 75 |
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[36f12da] | 76 | <para>In the vi_VN.TCVN locale, <command>bash</command> enters an infinite
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| 77 | loop at startup. It is unknown whether this is a <command>bash</command>
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| 78 | bug or a Glibc problem. Disable installation of this locale in order to
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| 79 | avoid the problem:</para>
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[fa21b3d] | 80 |
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[36f12da] | 81 | <screen><userinput remap="pre">sed -i '/vi_VN.TCVN/d' localedata/SUPPORTED</userinput></screen>
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[fd40de87] | 82 | -->
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[fa21b3d] | 83 |
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[9da9f24f] | 84 | <para>When running <command>make install</command>, a script called
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[6a82dd9] | 85 | <filename>test-installation.pl</filename> performs a small sanity test on
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| 86 | our newly installed Glibc. However, because our toolchain still points to
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| 87 | the <filename class="directory">/tools</filename> directory, the sanity
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| 88 | test would be carried out against the wrong Glibc. We can force the script
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| 89 | to check the Glibc we have just installed with the following:</para>
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[ae437d3] | 90 |
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[f32421a] | 91 | <screen><userinput remap="pre">DL=$(readelf -l /bin/sh | sed -n 's@.*interpret.*/tools\(.*\)]$@\1@p')
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[6e88633] | 92 | sed -i "s|libs -o|libs -L/usr/lib -Wl,-dynamic-linker=$DL -o|" \
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| 93 | scripts/test-installation.pl
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[9da9f24f] | 94 | unset DL</userinput></screen>
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[5a25e0a] | 95 |
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[a4cb337] | 96 | <para>The <command>ldd</command> shell script contains Bash-specific
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[9058aa1] | 97 | syntax. Change its default program interpreter to <command>/bin/bash</command>
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[a4cb337] | 98 | in case another <command>/bin/sh</command> is installed as described in the
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| 99 | <ulink url="&blfs-root;view/svn/postlfs/shells.html">Shells</ulink>
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| 100 | chapter of the BLFS book:</para>
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| 101 |
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[0445a3d] | 102 | <screen><userinput remap="pre">sed -i 's|@BASH@|/bin/bash|' elf/ldd.bash.in</userinput></screen>
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[a4cb337] | 103 |
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[fd40de87] | 104 | <para>Fix an error in one of the make check routines. Note that the escaped
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| 105 | newline in the second <command>sed</command> is required:</para>
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| 106 |
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| 107 | <screen><userinput remap="pre">sed -i s/utf8/UTF-8/ libio/tst-fgetwc.c
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| 108 | sed -i '/tst-fgetws-ENV/ a\
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| 109 | tst-fgetwc-ENV = LOCPATH=$(common-objpfx)localedata' libio/Makefile</userinput></screen>
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| 110 |
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[2594b0a] | 111 | <!-- This sed can be removed for any glibc newer than 2.10.1 (along with the
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| 112 | matching sed in chapter 5). See glibc bug 10262. -->
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| 113 | <para>Fix an error in the constants that get passed to the futex system
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| 114 | call in some cases, causing certain pthread_mutex operations to fail:</para>
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| 115 |
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[dc96e56] | 116 | <!-- Format below is for proper pdf generation -->
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| 117 | <screen><userinput remap="pre">sed -i \
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| 118 | -e 's/FUTEX_WAIT\( | FUTEX_CLOCK_REALTIME, reg\)/FUTEX_WAIT_BITSET\1/' \
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| 119 | nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S</userinput></screen>
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[2594b0a] | 120 |
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[6a82dd9] | 121 | <para>The Glibc documentation recommends building Glibc outside of the source
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| 122 | directory in a dedicated build directory:</para>
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[73aedd1d] | 123 |
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[0445a3d] | 124 | <screen><userinput remap="pre">mkdir -v ../glibc-build
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[73aedd1d] | 125 | cd ../glibc-build</userinput></screen>
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| 126 |
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[7a28184] | 127 | <para>As in Chapter 5, add the needed compiler flags to CFLAGS for x86 machines.
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| 128 | Here, the optimization of the library is also set for the gcc compiler to
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| 129 | enhance compilation speed (-pipe) and package performance (-O3).</para>
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[2a7ac34] | 130 |
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[6e88633] | 131 | <screen><userinput remap="configure">case `uname -m` in
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[7a28184] | 132 | i?86) echo "CFLAGS += -march=i486 -mtune=native -O3 -pipe" > configparms ;;
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[6e88633] | 133 | esac</userinput></screen>
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[2a7ac34] | 134 |
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[6a82dd9] | 135 | <para>Prepare Glibc for compilation:</para>
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[73aedd1d] | 136 |
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[0445a3d] | 137 | <screen><userinput remap="configure">../glibc-&glibc-version;/configure --prefix=/usr \
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[94aa6621] | 138 | --disable-profile --enable-add-ons \
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[3532721] | 139 | --enable-kernel=2.6.18 --libexecdir=/usr/lib/glibc</userinput></screen>
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[73aedd1d] | 140 |
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[6a82dd9] | 141 | <variablelist>
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| 142 | <title>The meaning of the new configure options:</title>
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| 143 |
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| 144 | <varlistentry>
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| 145 | <term><parameter>--libexecdir=/usr/lib/glibc</parameter></term>
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| 146 | <listitem>
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| 147 | <para>This changes the location of the <command>pt_chown</command>
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| 148 | program from its default of <filename
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| 149 | class="directory">/usr/libexec</filename> to <filename
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| 150 | class="directory">/usr/lib/glibc</filename>.</para>
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| 151 | </listitem>
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| 152 | </varlistentry>
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[81fd230] | 153 |
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[6a82dd9] | 154 | </variablelist>
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[81fd230] | 155 |
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[6a82dd9] | 156 | <para>Compile the package:</para>
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[73aedd1d] | 157 |
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[0445a3d] | 158 | <screen><userinput remap="make">make</userinput></screen>
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[73aedd1d] | 159 |
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[6a82dd9] | 160 | <important>
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| 161 | <para>In this section, the test suite for Glibc is considered critical.
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| 162 | Do not skip it under any circumstance.</para>
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| 163 | </important>
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[81fd230] | 164 |
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[5a25e0a] | 165 | <para>Before running the tests, copy a file from the source tree into our
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| 166 | build tree to prevent a couple of test failures, then test the
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| 167 | results:</para>
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[73aedd1d] | 168 |
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[7ce01e0] | 169 | <screen><userinput remap="test">cp -v ../glibc-&glibc-version;/iconvdata/gconv-modules iconvdata
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[5a25e0a] | 170 | make -k check 2>&1 | tee glibc-check-log
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[03e9011] | 171 | grep Error glibc-check-log</userinput></screen>
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[2e02c35] | 172 |
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[a0ec869] | 173 | <para>You will probably see an expected (ignored) failure in the
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| 174 | <emphasis>posix/annexc</emphasis> test. In addition the Glibc test suite
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| 175 | is somewhat dependent on the host system. This is a list of the most
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| 176 | common issues:</para>
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[6a82dd9] | 177 |
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| 178 | <itemizedlist>
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[b1a3697] | 179 | <!-- Check again after updating from gcc-4.1.x -->
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| 180 | <listitem>
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| 181 | <para>The <emphasis>nptl/tst-cancel1</emphasis> test will fail when
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| 182 | using the 4.1 series of GCC.</para>
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| 183 | </listitem>
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| 184 | <!-- Was true in glibc-2.3.6 -->
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[6a82dd9] | 185 | <listitem>
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[e1060de] | 186 | <para>The <emphasis>nptl/tst-clock2</emphasis> and
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| 187 | <emphasis>tst-attr3</emphasis> tests sometimes
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[a0ec869] | 188 | fail. The reason is not completely understood, but indications
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| 189 | are that a heavy system load can trigger these failures.</para>
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[6a82dd9] | 190 | </listitem>
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| 191 | <listitem>
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[a0ec869] | 192 | <para>The math tests sometimes fail when running on
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| 193 | systems where the CPU is not a relatively new genuine Intel or
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| 194 | authentic AMD processor.</para>
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[6a82dd9] | 195 | </listitem>
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| 196 | <listitem>
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| 197 | <para>If you have mounted the LFS partition with the
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| 198 | <parameter>noatime</parameter> option, the <emphasis>atime</emphasis>
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| 199 | test will fail. As mentioned in <xref linkend="space-mounting"/>, do not
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| 200 | use the <parameter>noatime</parameter> option while building LFS.</para>
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| 201 | </listitem>
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| 202 | <listitem>
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[a0ec869] | 203 | <para>When running on older and slower hardware or on systems under
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| 204 | load, some tests can fail because of test timeouts being exceeded.</para>
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[6a82dd9] | 205 | </listitem>
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| 206 | </itemizedlist>
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| 207 |
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| 208 | <para>Though it is a harmless message, the install stage of Glibc will
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| 209 | complain about the absence of <filename>/etc/ld.so.conf</filename>.
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| 210 | Prevent this warning with:</para>
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[1caa48e] | 211 |
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[0445a3d] | 212 | <screen><userinput remap="install">touch /etc/ld.so.conf</userinput></screen>
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[1caa48e] | 213 |
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[6a82dd9] | 214 | <para>Install the package:</para>
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[73aedd1d] | 215 |
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[0445a3d] | 216 | <screen><userinput remap="install">make install</userinput></screen>
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[73aedd1d] | 217 |
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[6a82dd9] | 218 | <para>The locales that can make the system respond in a different language
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| 219 | were not installed by the above command. None of the locales are required,
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[c226182] | 220 | but if some of them are missing, testsuites of the future packages would
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[6a82dd9] | 221 | skip important testcases.</para>
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| 222 |
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| 223 | <para>Individual locales can be installed using the
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| 224 | <command>localedef</command> program. E.g., the first
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| 225 | <command>localedef</command> command below combines the
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[fffccab] | 226 | <filename>/usr/share/i18n/locales/cs_CZ</filename>
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[6a82dd9] | 227 | charset-independent locale definition with the
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[fffccab] | 228 | <filename>/usr/share/i18n/charmaps/UTF-8.gz</filename>
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[6a82dd9] | 229 | charmap definition and appends the result to the
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| 230 | <filename>/usr/lib/locale/locale-archive</filename> file.
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| 231 | The following instructions will install the minimum set of
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| 232 | locales necessary for the optimal coverage of tests:</para>
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[3f0c882] | 233 |
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[0445a3d] | 234 | <screen role="nodump"><userinput remap="locale-test">mkdir -pv /usr/lib/locale
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[1e77f0c] | 235 | localedef -i cs_CZ -f UTF-8 cs_CZ.UTF-8
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[73aedd1d] | 236 | localedef -i de_DE -f ISO-8859-1 de_DE
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| 237 | localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro
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[1e77f0c] | 238 | localedef -i de_DE -f UTF-8 de_DE.UTF-8
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[73aedd1d] | 239 | localedef -i en_HK -f ISO-8859-1 en_HK
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| 240 | localedef -i en_PH -f ISO-8859-1 en_PH
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| 241 | localedef -i en_US -f ISO-8859-1 en_US
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[3a35b11] | 242 | localedef -i en_US -f UTF-8 en_US.UTF-8
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[73aedd1d] | 243 | localedef -i es_MX -f ISO-8859-1 es_MX
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[673b0d8] | 244 | localedef -i fa_IR -f UTF-8 fa_IR
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[73aedd1d] | 245 | localedef -i fr_FR -f ISO-8859-1 fr_FR
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| 246 | localedef -i fr_FR@euro -f ISO-8859-15 fr_FR@euro
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[d93d1c90] | 247 | localedef -i fr_FR -f UTF-8 fr_FR.UTF-8
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[73aedd1d] | 248 | localedef -i it_IT -f ISO-8859-1 it_IT
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[1e77f0c] | 249 | localedef -i ja_JP -f EUC-JP ja_JP
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[fffccab] | 250 | localedef -i tr_TR -f UTF-8 tr_TR.UTF-8
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[8399b37] | 251 | localedef -i zh_CN -f GB18030 zh_CN.GB18030</userinput></screen>
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[73aedd1d] | 252 |
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[6a82dd9] | 253 | <para>In addition, install the locale for your own country, language and
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| 254 | character set.</para>
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[fa21b3d] | 255 |
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[6a82dd9] | 256 | <para>Alternatively, install all locales listed in the
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| 257 | <filename>glibc-&glibc-version;/localedata/SUPPORTED</filename> file
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| 258 | (it includes every locale listed above and many more) at once with the
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| 259 | following time-consuming command:</para>
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[fa21b3d] | 260 |
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[0445a3d] | 261 | <screen><userinput remap="locale-full">make localedata/install-locales</userinput></screen>
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[fa21b3d] | 262 |
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[6a82dd9] | 263 | <para>Then use the <command>localedef</command> command to create and
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| 264 | install locales not listed in the
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| 265 | <filename>glibc-&glibc-version;/localedata/SUPPORTED</filename> file
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[5a25e0a] | 266 | in the unlikely case you need them.</para>
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[6a82dd9] | 267 | <!-- The Live CD patches the localedata/SUPPORTED file instead of
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| 268 | running localedef, the results are equivalent -->
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| 269 |
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| 270 | </sect2>
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[94aa6621] | 271 |
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[6a82dd9] | 272 | <sect2 id="conf-glibc" role="configuration">
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| 273 | <title>Configuring Glibc</title>
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[5888299] | 274 |
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[6a82dd9] | 275 | <indexterm zone="conf-glibc">
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| 276 | <primary sortas="e-/etc/nsswitch.conf">/etc/nsswitch.conf</primary>
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| 277 | </indexterm>
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[81fd230] | 278 |
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[6a82dd9] | 279 | <indexterm zone="conf-glibc">
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| 280 | <primary sortas="e-/etc/localtime">/etc/localtime</primary>
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| 281 | </indexterm>
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[342b176] | 282 |
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[6a82dd9] | 283 | <para>The <filename>/etc/nsswitch.conf</filename> file needs to be created
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| 284 | because, although Glibc provides defaults when this file is missing or corrupt,
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| 285 | the Glibc defaults do not work well in a networked environment. The time zone
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| 286 | also needs to be configured.</para>
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| 287 |
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| 288 | <para>Create a new file <filename>/etc/nsswitch.conf</filename> by running the
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| 289 | following:</para>
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[342b176] | 290 |
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[bb55064] | 291 | <screen><userinput>cat > /etc/nsswitch.conf << "EOF"
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[d72e04a] | 292 | <literal># Begin /etc/nsswitch.conf
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[342b176] | 293 |
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| 294 | passwd: files
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| 295 | group: files
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| 296 | shadow: files
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| 297 |
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| 298 | hosts: files dns
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| 299 | networks: files
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| 300 |
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[4a80bec] | 301 | protocols: files
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| 302 | services: files
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| 303 | ethers: files
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| 304 | rpc: files
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[342b176] | 305 |
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[d72e04a] | 306 | # End /etc/nsswitch.conf</literal>
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[bb55064] | 307 | EOF</userinput></screen>
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[342b176] | 308 |
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[e1060de] | 309 | <para>One way to determine the local time zone, run the following
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| 310 | script:</para>
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[342b176] | 311 |
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[be4be92] | 312 | <screen role="nodump"><userinput>tzselect</userinput></screen>
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[342b176] | 313 |
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[6a82dd9] | 314 | <para>After answering a few questions about the location, the script will
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[e1060de] | 315 | output the name of the time zone (e.g.,
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| 316 | <emphasis>America/Edmonton</emphasis>). There are also some other possible
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| 317 | timezones listed in <filename
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| 318 | class='directory'>/usr/share/zoneinfo</filename> such as
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| 319 | <emphasis>Canada/Eastern</emphasis> or <emphasis>EST5EDT</emphasis> that
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| 320 | are not identified by the script but can be used.</para>
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| 321 |
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| 322 | <para>Then create the <filename>/etc/localtime</filename> file by
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| 323 | running:</para>
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[342b176] | 324 |
|
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[ff38e70] | 325 | <screen><userinput>cp -v --remove-destination /usr/share/zoneinfo/<replaceable><xxx></replaceable> \
|
---|
[3f0c882] | 326 | /etc/localtime</userinput></screen>
|
---|
[342b176] | 327 |
|
---|
[e1060de] | 328 | <para>Replace <replaceable><xxx></replaceable> with the name of the
|
---|
| 329 | time zone selected (e.g., Canada/Eastern).</para>
|
---|
[6a82dd9] | 330 |
|
---|
| 331 | <variablelist>
|
---|
| 332 | <title>The meaning of the cp option:</title>
|
---|
| 333 |
|
---|
| 334 | <varlistentry>
|
---|
| 335 | <term><parameter>--remove-destination</parameter></term>
|
---|
| 336 | <listitem>
|
---|
| 337 | <para>This is needed to force removal of the already existing symbolic
|
---|
| 338 | link. The reason for copying the file instead of using a symlink is to
|
---|
| 339 | cover the situation where <filename class="directory">/usr</filename>
|
---|
| 340 | is on a separate partition. This could be important when booted into
|
---|
| 341 | single user mode.</para>
|
---|
| 342 | </listitem>
|
---|
| 343 | </varlistentry>
|
---|
| 344 |
|
---|
| 345 | </variablelist>
|
---|
| 346 |
|
---|
| 347 | </sect2>
|
---|
| 348 |
|
---|
| 349 | <sect2 id="conf-ld" role="configuration">
|
---|
| 350 | <title>Configuring the Dynamic Loader</title>
|
---|
| 351 |
|
---|
| 352 | <indexterm zone="conf-ld">
|
---|
| 353 | <primary sortas="e-/etc/ld.so.conf">/etc/ld.so.conf</primary>
|
---|
| 354 | </indexterm>
|
---|
| 355 |
|
---|
| 356 | <para>By default, the dynamic loader (<filename
|
---|
| 357 | class="libraryfile">/lib/ld-linux.so.2</filename>) searches through
|
---|
| 358 | <filename class="directory">/lib</filename> and <filename
|
---|
| 359 | class="directory">/usr/lib</filename> for dynamic libraries that are
|
---|
| 360 | needed by programs as they are run. However, if there are libraries in
|
---|
| 361 | directories other than <filename class="directory">/lib</filename> and
|
---|
| 362 | <filename class="directory">/usr/lib</filename>, these need to be added
|
---|
| 363 | to the <filename>/etc/ld.so.conf</filename> file in order for the
|
---|
| 364 | dynamic loader to find them. Two directories that are commonly known
|
---|
| 365 | to contain additional libraries are <filename
|
---|
| 366 | class="directory">/usr/local/lib</filename> and <filename
|
---|
| 367 | class="directory">/opt/lib</filename>, so add those directories to the
|
---|
| 368 | dynamic loader's search path.</para>
|
---|
| 369 |
|
---|
| 370 | <para>Create a new file <filename>/etc/ld.so.conf</filename> by running the
|
---|
| 371 | following:</para>
|
---|
[342b176] | 372 |
|
---|
[bb55064] | 373 | <screen><userinput>cat > /etc/ld.so.conf << "EOF"
|
---|
[d72e04a] | 374 | <literal># Begin /etc/ld.so.conf
|
---|
[342b176] | 375 |
|
---|
| 376 | /usr/local/lib
|
---|
| 377 | /opt/lib
|
---|
| 378 |
|
---|
[d72e04a] | 379 | # End /etc/ld.so.conf</literal>
|
---|
[bb55064] | 380 | EOF</userinput></screen>
|
---|
[342b176] | 381 |
|
---|
[6a82dd9] | 382 | </sect2>
|
---|
| 383 |
|
---|
| 384 | <sect2 id="contents-glibc" role="content">
|
---|
| 385 | <title>Contents of Glibc</title>
|
---|
| 386 |
|
---|
| 387 | <segmentedlist>
|
---|
| 388 | <segtitle>Installed programs</segtitle>
|
---|
| 389 | <segtitle>Installed libraries</segtitle>
|
---|
| 390 |
|
---|
| 391 | <seglistitem>
|
---|
| 392 | <seg>catchsegv, gencat, getconf, getent, iconv, iconvconfig, ldconfig,
|
---|
[60bc014] | 393 | ldd, lddlibc4, locale, localedef, mtrace, nscd, pcprofiledump,
|
---|
| 394 | pt_chown, rpcgen, rpcinfo, sln, sprof, tzselect, xtrace,
|
---|
[6a82dd9] | 395 | zdump, and zic</seg>
|
---|
[0090db5] | 396 | <seg>ld.so, libBrokenLocale.{a,so}, libSegFault.so, libanl.{a,so},
|
---|
[90aae6b] | 397 | libbsd-compat.a, libc.{a,so}, libc_nonshared.a, libcidn.so,
|
---|
| 398 | libcrypt.{a,so}, libdl.{a,so}, libg.a, libieee.a, libm.{a,so},
|
---|
| 399 | libmcheck.a, libmemusage.so, libnsl.{a,so}, libnss_compat.so,
|
---|
| 400 | libnss_dns.so, libnss_files.so, libnss_hesiod.so, libnss_nis.so,
|
---|
| 401 | libnss_nisplus.so, libpcprofile.so, libpthread.{a,so},
|
---|
| 402 | libpthread_nonshared.a, libresolv.{a,so}, librpcsvc.a, librt.{a,so},
|
---|
[2791a8e] | 403 | libthread_db.so, and libutil.{a,so}</seg>
|
---|
[6a82dd9] | 404 | </seglistitem>
|
---|
| 405 | </segmentedlist>
|
---|
| 406 |
|
---|
| 407 | <variablelist>
|
---|
| 408 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
---|
| 409 | <?dbfo list-presentation="list"?>
|
---|
| 410 | <?dbhtml list-presentation="table"?>
|
---|
| 411 |
|
---|
| 412 | <varlistentry id="catchsegv">
|
---|
| 413 | <term><command>catchsegv</command></term>
|
---|
| 414 | <listitem>
|
---|
| 415 | <para>Can be used to create a stack trace when a program
|
---|
| 416 | terminates with a segmentation fault</para>
|
---|
| 417 | <indexterm zone="ch-system-glibc catchsegv">
|
---|
| 418 | <primary sortas="b-catchsegv">catchsegv</primary>
|
---|
| 419 | </indexterm>
|
---|
| 420 | </listitem>
|
---|
| 421 | </varlistentry>
|
---|
| 422 |
|
---|
| 423 | <varlistentry id="gencat">
|
---|
| 424 | <term><command>gencat</command></term>
|
---|
| 425 | <listitem>
|
---|
| 426 | <para>Generates message catalogues</para>
|
---|
| 427 | <indexterm zone="ch-system-glibc gencat">
|
---|
| 428 | <primary sortas="b-gencat">gencat</primary>
|
---|
| 429 | </indexterm>
|
---|
| 430 | </listitem>
|
---|
| 431 | </varlistentry>
|
---|
| 432 |
|
---|
| 433 | <varlistentry id="getconf">
|
---|
| 434 | <term><command>getconf</command></term>
|
---|
| 435 | <listitem>
|
---|
| 436 | <para>Displays the system configuration values for file system
|
---|
| 437 | specific variables</para>
|
---|
| 438 | <indexterm zone="ch-system-glibc getconf">
|
---|
| 439 | <primary sortas="b-getconf">getconf</primary>
|
---|
| 440 | </indexterm>
|
---|
| 441 | </listitem>
|
---|
| 442 | </varlistentry>
|
---|
| 443 |
|
---|
| 444 | <varlistentry id="getent">
|
---|
| 445 | <term><command>getent</command></term>
|
---|
| 446 | <listitem>
|
---|
| 447 | <para>Gets entries from an administrative database</para>
|
---|
| 448 | <indexterm zone="ch-system-glibc getent">
|
---|
| 449 | <primary sortas="b-getent">getent</primary>
|
---|
| 450 | </indexterm>
|
---|
| 451 | </listitem>
|
---|
| 452 | </varlistentry>
|
---|
| 453 |
|
---|
| 454 | <varlistentry id="iconv">
|
---|
| 455 | <term><command>iconv</command></term>
|
---|
| 456 | <listitem>
|
---|
| 457 | <para>Performs character set conversion</para>
|
---|
| 458 | <indexterm zone="ch-system-glibc iconv">
|
---|
| 459 | <primary sortas="b-iconv">iconv</primary>
|
---|
| 460 | </indexterm>
|
---|
| 461 | </listitem>
|
---|
| 462 | </varlistentry>
|
---|
| 463 |
|
---|
| 464 | <varlistentry id="iconvconfig">
|
---|
| 465 | <term><command>iconvconfig</command></term>
|
---|
| 466 | <listitem>
|
---|
| 467 | <para>Creates fastloading <command>iconv</command> module configuration
|
---|
| 468 | files</para>
|
---|
| 469 | <indexterm zone="ch-system-glibc iconvconfig">
|
---|
| 470 | <primary sortas="b-iconvconfig">iconvconfig</primary>
|
---|
| 471 | </indexterm>
|
---|
| 472 | </listitem>
|
---|
| 473 | </varlistentry>
|
---|
| 474 |
|
---|
| 475 | <varlistentry id="ldconfig">
|
---|
| 476 | <term><command>ldconfig</command></term>
|
---|
| 477 | <listitem>
|
---|
| 478 | <para>Configures the dynamic linker runtime bindings</para>
|
---|
| 479 | <indexterm zone="ch-system-glibc ldconfig">
|
---|
| 480 | <primary sortas="b-ldconfig">ldconfig</primary>
|
---|
| 481 | </indexterm>
|
---|
| 482 | </listitem>
|
---|
| 483 | </varlistentry>
|
---|
| 484 |
|
---|
| 485 | <varlistentry id="ldd">
|
---|
| 486 | <term><command>ldd</command></term>
|
---|
| 487 | <listitem>
|
---|
| 488 | <para>Reports which shared libraries are required
|
---|
| 489 | by each given program or shared library</para>
|
---|
| 490 | <indexterm zone="ch-system-glibc ldd">
|
---|
| 491 | <primary sortas="b-ldd">ldd</primary>
|
---|
| 492 | </indexterm>
|
---|
| 493 | </listitem>
|
---|
| 494 | </varlistentry>
|
---|
| 495 |
|
---|
| 496 | <varlistentry id="lddlibc4">
|
---|
| 497 | <term><command>lddlibc4</command></term>
|
---|
| 498 | <listitem>
|
---|
| 499 | <para>Assists <command>ldd</command> with object files</para>
|
---|
| 500 | <indexterm zone="ch-system-glibc lddlibc4">
|
---|
| 501 | <primary sortas="b-lddlibc4">lddlibc4</primary>
|
---|
| 502 | </indexterm>
|
---|
| 503 | </listitem>
|
---|
| 504 | </varlistentry>
|
---|
| 505 |
|
---|
| 506 | <varlistentry id="locale">
|
---|
| 507 | <term><command>locale</command></term>
|
---|
| 508 | <listitem>
|
---|
| 509 | <para>Prints various information about the current locale</para>
|
---|
| 510 | <indexterm zone="ch-system-glibc locale">
|
---|
| 511 | <primary sortas="b-locale">locale</primary>
|
---|
| 512 | </indexterm>
|
---|
| 513 | </listitem>
|
---|
| 514 | </varlistentry>
|
---|
| 515 |
|
---|
| 516 | <varlistentry id="localedef">
|
---|
| 517 | <term><command>localedef</command></term>
|
---|
| 518 | <listitem>
|
---|
| 519 | <para>Compiles locale specifications</para>
|
---|
| 520 | <indexterm zone="ch-system-glibc localedef">
|
---|
| 521 | <primary sortas="b-localedef">localedef</primary>
|
---|
| 522 | </indexterm>
|
---|
| 523 | </listitem>
|
---|
| 524 | </varlistentry>
|
---|
| 525 |
|
---|
| 526 | <varlistentry id="mtrace">
|
---|
| 527 | <term><command>mtrace</command></term>
|
---|
| 528 | <listitem>
|
---|
| 529 | <para>Reads and interprets a memory trace file and displays a summary
|
---|
| 530 | in human-readable format</para>
|
---|
| 531 | <indexterm zone="ch-system-glibc mtrace">
|
---|
| 532 | <primary sortas="b-mtrace">mtrace</primary>
|
---|
| 533 | </indexterm>
|
---|
| 534 | </listitem>
|
---|
| 535 | </varlistentry>
|
---|
| 536 |
|
---|
| 537 | <varlistentry id="nscd">
|
---|
| 538 | <term><command>nscd</command></term>
|
---|
| 539 | <listitem>
|
---|
| 540 | <para>A daemon that provides a cache for the most common name
|
---|
| 541 | service requests</para>
|
---|
| 542 | <indexterm zone="ch-system-glibc nscd">
|
---|
| 543 | <primary sortas="b-nscd">nscd</primary>
|
---|
| 544 | </indexterm>
|
---|
| 545 | </listitem>
|
---|
| 546 | </varlistentry>
|
---|
| 547 |
|
---|
| 548 | <varlistentry id="pcprofiledump">
|
---|
| 549 | <term><command>pcprofiledump</command></term>
|
---|
| 550 | <listitem>
|
---|
| 551 | <para>Dumps information generated by PC profiling</para>
|
---|
| 552 | <indexterm zone="ch-system-glibc pcprofiledump">
|
---|
| 553 | <primary sortas="b-pcprofiledump">pcprofiledump</primary>
|
---|
| 554 | </indexterm>
|
---|
| 555 | </listitem>
|
---|
| 556 | </varlistentry>
|
---|
| 557 |
|
---|
| 558 | <varlistentry id="pt_chown">
|
---|
| 559 | <term><command>pt_chown</command></term>
|
---|
| 560 | <listitem>
|
---|
| 561 | <para>A helper program for <command>grantpt</command> to set the owner,
|
---|
| 562 | group and access permissions of a slave pseudo terminal</para>
|
---|
| 563 | <indexterm zone="ch-system-glibc pt_chown">
|
---|
| 564 | <primary sortas="b-pt_chown">pt_chown</primary>
|
---|
| 565 | </indexterm>
|
---|
| 566 | </listitem>
|
---|
| 567 | </varlistentry>
|
---|
| 568 |
|
---|
| 569 | <varlistentry id="rpcgen">
|
---|
| 570 | <term><command>rpcgen</command></term>
|
---|
| 571 | <listitem>
|
---|
[7a8d7c6] | 572 | <para>Generates C code to implement the Remote Procedure Call (RPC)
|
---|
[6a82dd9] | 573 | protocol</para>
|
---|
| 574 | <indexterm zone="ch-system-glibc rpcgen">
|
---|
| 575 | <primary sortas="b-rpcgen">rpcgen</primary>
|
---|
| 576 | </indexterm>
|
---|
| 577 | </listitem>
|
---|
| 578 | </varlistentry>
|
---|
| 579 |
|
---|
| 580 | <varlistentry id="rpcinfo">
|
---|
| 581 | <term><command>rpcinfo</command></term>
|
---|
| 582 | <listitem>
|
---|
| 583 | <para>Makes an RPC call to an RPC server</para>
|
---|
| 584 | <indexterm zone="ch-system-glibc rpcinfo">
|
---|
| 585 | <primary sortas="b-rpcinfo">rpcinfo</primary>
|
---|
| 586 | </indexterm>
|
---|
| 587 | </listitem>
|
---|
| 588 | </varlistentry>
|
---|
| 589 |
|
---|
| 590 | <varlistentry id="sln">
|
---|
| 591 | <term><command>sln</command></term>
|
---|
| 592 | <listitem>
|
---|
| 593 | <para>A statically linked <command>ln</command> program</para>
|
---|
| 594 | <indexterm zone="ch-system-glibc sln">
|
---|
| 595 | <primary sortas="b-sln">sln</primary>
|
---|
| 596 | </indexterm>
|
---|
| 597 | </listitem>
|
---|
| 598 | </varlistentry>
|
---|
| 599 |
|
---|
| 600 | <varlistentry id="sprof">
|
---|
| 601 | <term><command>sprof</command></term>
|
---|
| 602 | <listitem>
|
---|
| 603 | <para>Reads and displays shared object profiling data</para>
|
---|
| 604 | <indexterm zone="ch-system-glibc sprof">
|
---|
| 605 | <primary sortas="b-sprof">sprof</primary>
|
---|
| 606 | </indexterm>
|
---|
| 607 | </listitem>
|
---|
| 608 | </varlistentry>
|
---|
| 609 |
|
---|
| 610 | <varlistentry id="tzselect">
|
---|
| 611 | <term><command>tzselect</command></term>
|
---|
| 612 | <listitem>
|
---|
| 613 | <para>Asks the user about the location of the system and reports
|
---|
| 614 | the corresponding time zone description</para>
|
---|
| 615 | <indexterm zone="ch-system-glibc tzselect">
|
---|
| 616 | <primary sortas="b-tzselect">tzselect</primary>
|
---|
| 617 | </indexterm>
|
---|
| 618 | </listitem>
|
---|
| 619 | </varlistentry>
|
---|
| 620 |
|
---|
| 621 | <varlistentry id="xtrace">
|
---|
| 622 | <term><command>xtrace</command></term>
|
---|
| 623 | <listitem>
|
---|
| 624 | <para>Traces the execution of a program by printing the currently
|
---|
| 625 | executed function</para>
|
---|
| 626 | <indexterm zone="ch-system-glibc xtrace">
|
---|
| 627 | <primary sortas="b-xtrace">xtrace</primary>
|
---|
| 628 | </indexterm>
|
---|
| 629 | </listitem>
|
---|
| 630 | </varlistentry>
|
---|
| 631 |
|
---|
| 632 | <varlistentry id="zdump">
|
---|
| 633 | <term><command>zdump</command></term>
|
---|
| 634 | <listitem>
|
---|
| 635 | <para>The time zone dumper</para>
|
---|
| 636 | <indexterm zone="ch-system-glibc zdump">
|
---|
| 637 | <primary sortas="b-zdump">zdump</primary>
|
---|
| 638 | </indexterm>
|
---|
| 639 | </listitem>
|
---|
| 640 | </varlistentry>
|
---|
| 641 |
|
---|
| 642 | <varlistentry id="zic">
|
---|
| 643 | <term><command>zic</command></term>
|
---|
| 644 | <listitem>
|
---|
| 645 | <para>The time zone compiler</para>
|
---|
| 646 | <indexterm zone="ch-system-glibc zic">
|
---|
| 647 | <primary sortas="b-zic">zic</primary>
|
---|
| 648 | </indexterm>
|
---|
| 649 | </listitem>
|
---|
| 650 | </varlistentry>
|
---|
| 651 |
|
---|
| 652 | <varlistentry id="ld.so">
|
---|
| 653 | <term><filename class="libraryfile">ld.so</filename></term>
|
---|
| 654 | <listitem>
|
---|
| 655 | <para>The helper program for shared library executables</para>
|
---|
| 656 | <indexterm zone="ch-system-glibc ld.so">
|
---|
| 657 | <primary sortas="c-ld.so">ld.so</primary>
|
---|
| 658 | </indexterm>
|
---|
| 659 | </listitem>
|
---|
| 660 | </varlistentry>
|
---|
| 661 |
|
---|
| 662 | <varlistentry id="libBrokenLocale">
|
---|
| 663 | <term><filename class="libraryfile">libBrokenLocale</filename></term>
|
---|
| 664 | <listitem>
|
---|
| 665 | <para>Used internally by Glibc as a gross hack to get broken programs
|
---|
| 666 | (e.g., some Motif applications) running. See comments in
|
---|
| 667 | <filename>glibc-&glibc-version;/locale/broken_cur_max.c</filename>
|
---|
| 668 | for more information</para>
|
---|
| 669 | <indexterm zone="ch-system-glibc libBrokenLocale">
|
---|
| 670 | <primary sortas="c-libBrokenLocale">libBrokenLocale</primary>
|
---|
| 671 | </indexterm>
|
---|
| 672 | </listitem>
|
---|
| 673 | </varlistentry>
|
---|
| 674 |
|
---|
| 675 | <varlistentry id="libSegFault">
|
---|
| 676 | <term><filename class="libraryfile">libSegFault</filename></term>
|
---|
| 677 | <listitem>
|
---|
| 678 | <para>The segmentation fault signal handler, used by
|
---|
| 679 | <command>catchsegv</command></para>
|
---|
| 680 | <indexterm zone="ch-system-glibc libSegFault">
|
---|
| 681 | <primary sortas="c-libSegFault">libSegFault</primary>
|
---|
| 682 | </indexterm>
|
---|
| 683 | </listitem>
|
---|
| 684 | </varlistentry>
|
---|
| 685 |
|
---|
| 686 | <varlistentry id="libanl">
|
---|
| 687 | <term><filename class="libraryfile">libanl</filename></term>
|
---|
| 688 | <listitem>
|
---|
| 689 | <para>An asynchronous name lookup library</para>
|
---|
| 690 | <indexterm zone="ch-system-glibc libanl">
|
---|
| 691 | <primary sortas="c-libanl">libanl</primary>
|
---|
| 692 | </indexterm>
|
---|
| 693 | </listitem>
|
---|
| 694 | </varlistentry>
|
---|
| 695 |
|
---|
| 696 | <varlistentry id="libbsd-compat">
|
---|
| 697 | <term><filename class="libraryfile">libbsd-compat</filename></term>
|
---|
| 698 | <listitem>
|
---|
[40ffa16] | 699 | <para>Provides the portability needed in order to run certain
|
---|
| 700 | Berkeley Software Distribution (BSD) programs under Linux</para>
|
---|
[6a82dd9] | 701 | <indexterm zone="ch-system-glibc libbsd-compat">
|
---|
| 702 | <primary sortas="c-libbsd-compat">libbsd-compat</primary>
|
---|
| 703 | </indexterm>
|
---|
| 704 | </listitem>
|
---|
| 705 | </varlistentry>
|
---|
| 706 |
|
---|
| 707 | <varlistentry id="libc">
|
---|
| 708 | <term><filename class="libraryfile">libc</filename></term>
|
---|
| 709 | <listitem>
|
---|
| 710 | <para>The main C library</para>
|
---|
| 711 | <indexterm zone="ch-system-glibc libc">
|
---|
| 712 | <primary sortas="c-libc">libc</primary>
|
---|
| 713 | </indexterm>
|
---|
| 714 | </listitem>
|
---|
| 715 | </varlistentry>
|
---|
| 716 |
|
---|
| 717 | <varlistentry id="libcidn">
|
---|
| 718 | <term><filename class="libraryfile">libcidn</filename></term>
|
---|
| 719 | <listitem>
|
---|
| 720 | <para>Used internally by Glibc for handling internationalized domain
|
---|
| 721 | names in the <function>getaddrinfo()</function> function</para>
|
---|
| 722 | <indexterm zone="ch-system-glibc libcrypt">
|
---|
| 723 | <primary sortas="c-libcrypt">libcrypt</primary>
|
---|
| 724 | </indexterm>
|
---|
| 725 | </listitem>
|
---|
| 726 | </varlistentry>
|
---|
| 727 |
|
---|
| 728 | <varlistentry id="libcrypt">
|
---|
| 729 | <term><filename class="libraryfile">libcrypt</filename></term>
|
---|
| 730 | <listitem>
|
---|
| 731 | <para>The cryptography library</para>
|
---|
| 732 | <indexterm zone="ch-system-glibc libcrypt">
|
---|
| 733 | <primary sortas="c-libcrypt">libcrypt</primary>
|
---|
| 734 | </indexterm>
|
---|
| 735 | </listitem>
|
---|
| 736 | </varlistentry>
|
---|
| 737 |
|
---|
| 738 | <varlistentry id="libdl">
|
---|
| 739 | <term><filename class="libraryfile">libdl</filename></term>
|
---|
| 740 | <listitem>
|
---|
| 741 | <para>The dynamic linking interface library</para>
|
---|
| 742 | <indexterm zone="ch-system-glibc libdl">
|
---|
| 743 | <primary sortas="c-libdl">libdl</primary>
|
---|
| 744 | </indexterm>
|
---|
| 745 | </listitem>
|
---|
| 746 | </varlistentry>
|
---|
| 747 |
|
---|
| 748 | <varlistentry id="libg">
|
---|
| 749 | <term><filename class="libraryfile">libg</filename></term>
|
---|
| 750 | <listitem>
|
---|
| 751 | <para>Dummy library containing no functions. Previously was a runtime
|
---|
| 752 | library for <command>g++</command></para>
|
---|
| 753 | <indexterm zone="ch-system-glibc libg">
|
---|
| 754 | <primary sortas="c-libg">libg</primary>
|
---|
| 755 | </indexterm>
|
---|
| 756 | </listitem>
|
---|
| 757 | </varlistentry>
|
---|
| 758 |
|
---|
| 759 | <varlistentry id="libieee">
|
---|
| 760 | <term><filename class="libraryfile">libieee</filename></term>
|
---|
| 761 | <listitem>
|
---|
| 762 | <para>Linking in this module forces error handling rules for math
|
---|
| 763 | functions as defined by the Institute of Electrical and Electronic
|
---|
| 764 | Engineers (IEEE). The default is POSIX.1 error handling</para>
|
---|
| 765 | <indexterm zone="ch-system-glibc libieee">
|
---|
| 766 | <primary sortas="c-libieee">libieee</primary>
|
---|
| 767 | </indexterm>
|
---|
| 768 | </listitem>
|
---|
| 769 | </varlistentry>
|
---|
| 770 |
|
---|
| 771 | <varlistentry id="libm">
|
---|
| 772 | <term><filename class="libraryfile">libm</filename></term>
|
---|
| 773 | <listitem>
|
---|
| 774 | <para>The mathematical library</para>
|
---|
| 775 | <indexterm zone="ch-system-glibc libm">
|
---|
| 776 | <primary sortas="c-libm">libm</primary>
|
---|
| 777 | </indexterm>
|
---|
| 778 | </listitem>
|
---|
| 779 | </varlistentry>
|
---|
| 780 |
|
---|
| 781 | <varlistentry id="libmcheck">
|
---|
| 782 | <term><filename class="libraryfile">libmcheck</filename></term>
|
---|
| 783 | <listitem>
|
---|
| 784 | <para>Turns on memory allocation checking when linked to</para>
|
---|
| 785 | <indexterm zone="ch-system-glibc libmcheck">
|
---|
| 786 | <primary sortas="c-libmcheck">libmcheck</primary>
|
---|
| 787 | </indexterm>
|
---|
| 788 | </listitem>
|
---|
| 789 | </varlistentry>
|
---|
| 790 |
|
---|
| 791 | <varlistentry id="libmemusage">
|
---|
| 792 | <term><filename class="libraryfile">libmemusage</filename></term>
|
---|
| 793 | <listitem>
|
---|
| 794 | <para>Used by <command>memusage</command> to help collect
|
---|
| 795 | information about the memory usage of a program</para>
|
---|
| 796 | <indexterm zone="ch-system-glibc libmemusage">
|
---|
| 797 | <primary sortas="c-libmemusage">libmemusage</primary>
|
---|
| 798 | </indexterm>
|
---|
| 799 | </listitem>
|
---|
| 800 | </varlistentry>
|
---|
| 801 |
|
---|
| 802 | <varlistentry id="libnsl">
|
---|
| 803 | <term><filename class="libraryfile">libnsl</filename></term>
|
---|
| 804 | <listitem>
|
---|
| 805 | <para>The network services library</para>
|
---|
| 806 | <indexterm zone="ch-system-glibc libnsl">
|
---|
| 807 | <primary sortas="c-libnsl">libnsl</primary>
|
---|
| 808 | </indexterm>
|
---|
| 809 | </listitem>
|
---|
| 810 | </varlistentry>
|
---|
| 811 |
|
---|
| 812 | <varlistentry id="libnss">
|
---|
| 813 | <term><filename class="libraryfile">libnss</filename></term>
|
---|
| 814 | <listitem>
|
---|
| 815 | <para>The Name Service Switch libraries, containing functions for
|
---|
| 816 | resolving host names, user names, group names, aliases, services,
|
---|
| 817 | protocols, etc.</para>
|
---|
| 818 | <indexterm zone="ch-system-glibc libnss">
|
---|
| 819 | <primary sortas="c-libnss">libnss</primary>
|
---|
| 820 | </indexterm>
|
---|
| 821 | </listitem>
|
---|
| 822 | </varlistentry>
|
---|
| 823 |
|
---|
| 824 | <varlistentry id="libpcprofile">
|
---|
| 825 | <term><filename class="libraryfile">libpcprofile</filename></term>
|
---|
| 826 | <listitem>
|
---|
| 827 | <para>Contains profiling functions used to track the amount of CPU
|
---|
| 828 | time spent in specific source code lines</para>
|
---|
| 829 | <indexterm zone="ch-system-glibc libpcprofile">
|
---|
| 830 | <primary sortas="c-libpcprofile">libpcprofile</primary>
|
---|
| 831 | </indexterm>
|
---|
| 832 | </listitem>
|
---|
| 833 | </varlistentry>
|
---|
| 834 |
|
---|
| 835 | <varlistentry id="libpthread">
|
---|
| 836 | <term><filename class="libraryfile">libpthread</filename></term>
|
---|
| 837 | <listitem>
|
---|
| 838 | <para>The POSIX threads library</para>
|
---|
| 839 | <indexterm zone="ch-system-glibc libpthread">
|
---|
| 840 | <primary sortas="c-libpthread">libpthread</primary>
|
---|
| 841 | </indexterm>
|
---|
| 842 | </listitem>
|
---|
| 843 | </varlistentry>
|
---|
| 844 |
|
---|
| 845 | <varlistentry id="libresolv">
|
---|
| 846 | <term><filename class="libraryfile">libresolv</filename></term>
|
---|
| 847 | <listitem>
|
---|
| 848 | <para>Contains functions for creating, sending, and interpreting
|
---|
| 849 | packets to the Internet domain name servers</para>
|
---|
| 850 | <indexterm zone="ch-system-glibc libresolv">
|
---|
| 851 | <primary sortas="c-libresolv">libresolv</primary>
|
---|
| 852 | </indexterm>
|
---|
| 853 | </listitem>
|
---|
| 854 | </varlistentry>
|
---|
| 855 |
|
---|
| 856 | <varlistentry id="librpcsvc">
|
---|
| 857 | <term><filename class="libraryfile">librpcsvc</filename></term>
|
---|
| 858 | <listitem>
|
---|
| 859 | <para>Contains functions providing miscellaneous RPC services</para>
|
---|
| 860 | <indexterm zone="ch-system-glibc librpcsvc">
|
---|
| 861 | <primary sortas="c-librpcsvc">librpcsvc</primary>
|
---|
| 862 | </indexterm>
|
---|
| 863 | </listitem>
|
---|
| 864 | </varlistentry>
|
---|
| 865 |
|
---|
| 866 | <varlistentry id="librt">
|
---|
| 867 | <term><filename class="libraryfile">librt</filename></term>
|
---|
| 868 | <listitem>
|
---|
| 869 | <para>Contains functions providing most of the interfaces specified
|
---|
| 870 | by the POSIX.1b Realtime Extension</para>
|
---|
| 871 | <indexterm zone="ch-system-glibc librt">
|
---|
| 872 | <primary sortas="c-librt">librt</primary>
|
---|
| 873 | </indexterm>
|
---|
| 874 | </listitem>
|
---|
| 875 | </varlistentry>
|
---|
| 876 |
|
---|
| 877 | <varlistentry id="libthread_db">
|
---|
| 878 | <term><filename class="libraryfile">libthread_db</filename></term>
|
---|
| 879 | <listitem>
|
---|
| 880 | <para>Contains functions useful for building debuggers for
|
---|
| 881 | multi-threaded programs</para>
|
---|
| 882 | <indexterm zone="ch-system-glibc libthread_db">
|
---|
| 883 | <primary sortas="c-libthread_db">libthread_db</primary>
|
---|
| 884 | </indexterm>
|
---|
| 885 | </listitem>
|
---|
| 886 | </varlistentry>
|
---|
| 887 |
|
---|
| 888 | <varlistentry id="libutil">
|
---|
| 889 | <term><filename class="libraryfile">libutil</filename></term>
|
---|
| 890 | <listitem>
|
---|
| 891 | <para>Contains code for <quote>standard</quote> functions used in
|
---|
| 892 | many different Unix utilities</para>
|
---|
| 893 | <indexterm zone="ch-system-glibc libutil">
|
---|
| 894 | <primary sortas="c-libutil">libutil</primary>
|
---|
| 895 | </indexterm>
|
---|
| 896 | </listitem>
|
---|
| 897 | </varlistentry>
|
---|
| 898 |
|
---|
| 899 | </variablelist>
|
---|
| 900 |
|
---|
| 901 | </sect2>
|
---|
[673b0d8] | 902 |
|
---|
| 903 | </sect1>
|
---|