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| -rw-r--r-- | man/threads-aware.xml | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/man/threads-aware.xml b/man/threads-aware.xml new file mode 100644 index 0000000..442e45b --- /dev/null +++ b/man/threads-aware.xml @@ -0,0 +1,23 @@ +<?xml version="1.0"?> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"> +<!-- SPDX-License-Identifier: LGPL-2.1-or-later --> + +<refsect1> + +<para id="strict">All functions listed here are thread-agnostic and only a single specific thread may operate on a +given object during its entire lifetime. It's safe to allocate multiple independent objects and use each from a +specific thread in parallel. However, it's not safe to allocate such an object in one thread, and operate or free it +from any other, even if locking is used to ensure these threads don't operate on it at the very same time.</para> + +<para id="safe">All functions listed here are thread-safe and may be called in parallel from multiple threads.</para> + +<para id='getenv'>The code described here uses +<citerefentry project='man-pages'><refentrytitle>getenv</refentrytitle><manvolnum>3</manvolnum></citerefentry>, +which is declared to be not multi-thread-safe. This means that the code calling the functions described +here must not call +<citerefentry project='man-pages'><refentrytitle>setenv</refentrytitle><manvolnum>3</manvolnum></citerefentry> +from a parallel thread. It is recommended to only do calls to <function>setenv()</function> +from an early phase of the program when no other threads have been started.</para> + +</refsect1> |