unify rb_gc() handling for out-of-FD conditions

This should hopefully simplify logic a bit and avoid expensive
access to errno.

1 files changed, 1 insertions, 3 deletions

diff --git a/ext/sleepy_penguin/eventfd.c b/ext/sleepy_penguin/eventfd.c
index 4f95b0d..4804150 100644
--- a/ext/sleepy_penguin/eventfd.c
+++ b/ext/sleepy_penguin/eventfd.c
@@ -31,10 +31,8 @@ static VALUE s_new(int argc, VALUE *argv, VALUE klass)
 
         fd = eventfd(initval, flags);
         if (fd < 0) {
-                if (errno == EMFILE || errno == ENFILE || errno == ENOMEM) {
-                        rb_gc();
+                if (rb_sp_gc_for_fd(errno))
                         fd = eventfd(initval, flags);
-                }
                 if (fd < 0)
                         rb_sys_fail("eventfd");
         }