glibc: Clarify the reference to POSIX.1b and POSIX.1c

The thread functions are in POSIX.1c, not POSIX.1b.

Both POSIX.1b and POSIX.1c are named "extensions" (plural form).  And
POSIX.1b is titled "Real-time" instead of "Realtime".
This commit is contained in:
Xi Ruoyao 2023-04-08 21:47:29 +08:00
parent 49f74ce701
commit 91d8e69d18
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@ -918,8 +918,9 @@ mkdir -pv /etc/ld.so.conf.d</userinput></screen>
<listitem>
<para>Dummy library containing no functions. Previously contained
functions providing most of the interfaces specified
by the POSIX.1b Realtime Extension, now the functions are in
<filename class="libraryfile">libc</filename></para>
by the POSIX.1c Threads Extensions and the semaphore interfaces
specified by the POSIX.1b Real-time Extensions, now the functions
are in <filename class="libraryfile">libc</filename></para>
<indexterm zone="ch-system-glibc libpthread">
<primary sortas="c-libpthread">libpthread</primary>
</indexterm>
@ -941,7 +942,7 @@ mkdir -pv /etc/ld.so.conf.d</userinput></screen>
<term><filename class="libraryfile">librt</filename></term>
<listitem>
<para>Contains functions providing most of the interfaces specified
by the POSIX.1b Realtime Extension</para>
by the POSIX.1b Real-time Extensions</para>
<indexterm zone="ch-system-glibc librt">
<primary sortas="c-librt">librt</primary>
</indexterm>