From 6626f07017ff7b0065790363c0f3d6a3fc7f149f Mon Sep 17 00:00:00 2001 From: shugo Date: Wed, 7 Dec 2016 23:47:59 +0000 Subject: Add volatile to a suppress warning. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Without the fix, the following warning is shown: compiling cont.c cont.c: In function ‘rb_callcc’: cont.c:949:39: warning: passing argument 1 of ‘cont_capture’ discards ‘volatile’ qualifier from pointer target type [-Wdiscarded-qualifiers] volatile VALUE val = cont_capture(&called); ^ cont.c:473:1: note: expected ‘int * volatile’ but argument is of type ‘volatile int *’ cont_capture(int *volatile stat) ^ git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- cont.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'cont.c') diff --git a/cont.c b/cont.c index 09127733c3..b7ef391581 100644 --- a/cont.c +++ b/cont.c @@ -161,7 +161,7 @@ static VALUE rb_eFiberError; if (!(ptr)) rb_raise(rb_eFiberError, "uninitialized fiber"); \ } while (0) -NOINLINE(static VALUE cont_capture(int *volatile stat)); +NOINLINE(static VALUE cont_capture(volatile int *volatile stat)); #define THREAD_MUST_BE_RUNNING(th) do { \ if (!(th)->tag) rb_raise(rb_eThreadError, "not running thread"); \ @@ -470,7 +470,7 @@ cont_new(VALUE klass) } static VALUE -cont_capture(int *volatile stat) +cont_capture(volatile int *volatile stat) { rb_context_t *volatile cont; rb_thread_t *th = GET_THREAD(); -- cgit v1.2.3