gh-89414: Document that SIGCLD is not available on macOS (#113580)

ronaldoussoren · web-flow · commit f48a1bcb2914 · 2023-12-30T16:19:47.000+01:00
Document that SIGCLD is not available on macOS
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
@@ -157,6 +157,8 @@ The variables defined in the :mod:`signal` module are:
 
    Alias to :data:`SIGCHLD`.
 
+   .. availability:: not macOS.
+
 .. data:: SIGCONT
 
    Continue the process if it is currently stopped
