* ext/socket/ipsocket.c (init_inetsock_internal),

  ext/socket/unixsocket.c (rsock_init_unixsock): check the result of
  listen(2).  based on a patch from Mike Pomraning.  [ruby-core:23698]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 2 deletions

diff --git a/ext/socket/ipsocket.c b/ext/socket/ipsocket.c
index 447ae40db6..b6b2426e97 100644
--- a/ext/socket/ipsocket.c
+++ b/ext/socket/ipsocket.c
@@ -104,8 +104,13 @@ init_inetsock_internal(struct inetsock_arg *arg)
 
     arg->fd = -1;
 
-    if (type == INET_SERVER)
-	listen(fd, 5);
+    if (type == INET_SERVER) {
+	status = listen(fd, 5);
+	if (status < 0) {
+	    close(fd);
+	    syscall = "listen(2)";
+	}
+    }
 
     /* create new instance */
     return rsock_init_sock(arg->sock, fd);