Document rsignal()

1 files changed, 9 insertions, 0 deletions

diff --git a/util.c b/util.c
index 164326c6b4..376cc8ab0f 100644
--- a/util.c
+++ b/util.c
@@ -2692,6 +2692,15 @@ dup2(int oldfd, int newfd)
 #ifndef PERL_MICRO
 #ifdef HAS_SIGACTION
 
+/*
+=for apidoc rsignal
+
+A wrapper for the C library L<signal(2)>.  Don't use the latter, as the Perl
+version knows things that interact with the rest of the perl interpreter.
+
+=cut
+*/
+
 Sighandler_t
 Perl_rsignal(pTHX_ int signo, Sighandler_t handler)
 {