man: document that sd_j_stream_fd is signal safe (#7942)

Fixes #7912.

diff --git a/man/sd_journal_stream_fd.xml b/man/sd_journal_stream_fd.xml
index 89ad8f5..b9da483 100644 (file)
--- a/man/sd_journal_stream_fd.xml
+++ b/man/sd_journal_stream_fd.xml
@@ -104,6 +104,14 @@
   </refsect1>
 
   <refsect1>
+    <title>Signal safety</title>
+
+    <para><function>sd_journal_stream_fd()</function> is "async signal safe" in the meaning of
+    <citerefentry project='man-pages'><refentrytitle>signal</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
+    </para>
+  </refsect1>
+
+  <refsect1>
     <title>Notes</title>
 
     <para>Function <function>sd_journal_stream_fd()</function> is thread-safe and may be called