From 9618889fa4bf4919ef148c04fee7514871fab292 Mon Sep 17 00:00:00 2001 From: nobu Date: Wed, 28 Sep 2016 04:00:27 +0000 Subject: Update Signal.signame doc [ci-skip] * signal.c (sig_signame): [DOC] Add documentation in the case of return nil. [Fix GH-1449] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- signal.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'signal.c') diff --git a/signal.c b/signal.c index 32c7c2a099..8ebb6b9c61 100644 --- a/signal.c +++ b/signal.c @@ -238,9 +238,10 @@ signo2signm(int no) /* * call-seq: - * Signal.signame(signo) -> string + * Signal.signame(signo) -> string or nil * - * convert signal number to signal name + * Convert signal number to signal name. + * Returns +nil+ if the signo is an invalid signal number. * * Signal.trap("INT") { |signo| puts Signal.signame(signo) } * Process.kill("INT", 0) -- cgit v1.2.3