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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-11-09 09:11:52 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-11-09 09:11:52 +0000
commitee5ab9cc136baf18756abc6bd5d136a0231f973e (patch)
treeabdc351cbffd7b67f63f41ea08f544819af0a28b /lib/ping.rb
parentdc8da69e7cbc54f020ef1182fd28e57bbaa40fc3 (diff)
1.1c7
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@316 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/ping.rb')
-rw-r--r--lib/ping.rb25
1 files changed, 14 insertions, 11 deletions
diff --git a/lib/ping.rb b/lib/ping.rb
index d742a50f99..96919c004b 100644
--- a/lib/ping.rb
+++ b/lib/ping.rb
@@ -33,23 +33,26 @@
#
#=end
+require 'timeout'
+
module Ping
require "socket"
def pingecho(host, timeout=5)
begin
- x = Thread.current
- y = Thread.start {
- sleep timeout
- x.raise RuntimeError if x.status
- }
- s = TCPsocket.new(host, "echo")
- s.close
- return TRUE
+ timeout(timeout) do
+ s = TCPsocket.new(host, "echo")
+ s.close
+ end
rescue
- return FALSE;
- ensure
- Thread.kill y if y.status
+ return false
end
+ return true
end
module_function "pingecho"
end
+
+if $0 == __FILE__
+ host = ARGV[0]
+ host ||= "localhost"
+ printf("%s alive? - %s\n", host, Ping.pingecho(host, 5))
+end