From 8a78e0f6c0867ad47e70e5197939c2b5a8ca5446 Mon Sep 17 00:00:00 2001 From: nobu Date: Tue, 19 Jan 2016 08:36:02 +0000 Subject: io.c: suppress warning * io.c (rb_update_max_fd): get rid of unused-value warning. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53591 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- io.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/io.c b/io.c index cacff40851..03764b0e78 100644 --- a/io.c +++ b/io.c @@ -197,16 +197,17 @@ rb_update_max_fd(int fd) { struct stat buf; rb_atomic_t afd = (rb_atomic_t)fd; + rb_atomic_t max_fd = max_file_descriptor; - if (afd <= max_file_descriptor) + if (afd <= max_fd) return; if (fstat(fd, &buf) != 0 && errno == EBADF) { rb_bug("rb_update_max_fd: invalid fd (%d) given.", fd); } - while (max_file_descriptor < afd) { - ATOMIC_CAS(max_file_descriptor, max_file_descriptor, afd); + while (max_fd < afd) { + max_fd = ATOMIC_CAS(max_file_descriptor, max_fd, afd); } } -- cgit v1.2.3