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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-01-19 08:36:02 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-01-19 08:36:02 +0000 |
commit | c1f1131a57e1b13d93a10896ae944656214772bc (patch) | |
tree | ebc3afee62a478d8f89d28eb45613c258ceb9ec5 /io.c | |
parent | 856b2c324a67e462c79b7beb31299d7c256a1ad9 (diff) | |
download | ruby-c1f1131a57e1b13d93a10896ae944656214772bc.tar.gz |
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
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -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); } } |