* lib/resolv.rb: use its own thread group for background threads.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@2167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/resolv.rb b/lib/resolv.rb
index bfe8dd8b6..d1b7c3c9f 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -341,6 +341,8 @@ class Resolv
     Port = 53
     UDPSize = 512
 
+    DNSThreadGroup = ThreadGroup.new
+
     def initialize(config="/etc/resolv.conf")
       @mutex = Mutex.new
       @config = Config.new(config)
@@ -512,6 +514,7 @@ class Resolv
           @id = {}
           @id.default = -1
           @thread = Thread.new {
+	    DNSThreadGroup.add Thread.current
             loop {
               reply, from = @sock.recvfrom(UDPSize)
               msg = begin
@@ -565,6 +568,7 @@ class Resolv
           @sock.fcntl(Fcntl::F_SETFD, 1)
           @id = -1
           @thread = Thread.new {
+	    DNSThreadGroup.add Thread.current
             loop {
               reply = @sock.recv(UDPSize)
               msg = begin
@@ -616,6 +620,7 @@ class Resolv
           @id = -1
           @senders = {}
           @thread = Thread.new {
+	    DNSThreadGroup.add Thread.current
             loop {
               len = @sock.read(2).unpack('n')
               reply = @sock.read(len)