diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-11-09 09:11:52 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-11-09 09:11:52 +0000 |
commit | ee5ab9cc136baf18756abc6bd5d136a0231f973e (patch) | |
tree | abdc351cbffd7b67f63f41ea08f544819af0a28b /lib/timeout.rb | |
parent | dc8da69e7cbc54f020ef1182fd28e57bbaa40fc3 (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/timeout.rb')
-rw-r--r-- | lib/timeout.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/timeout.rb b/lib/timeout.rb new file mode 100644 index 0000000000..d4ea758acd --- /dev/null +++ b/lib/timeout.rb @@ -0,0 +1,42 @@ +# +# timeout.rb -- execution timeout +# +#= SYNOPSIS +# +# require 'timeout' +# status = timeout(5) { +# # something may take time +# } +# +#= DESCRIPTION +# +# timeout executes the block. If the block execution terminates successfully +# before timeout, it returns true. If not, it terminates the execution and +# raise TimeoutError exception. +# +#== Parameters +# +# : timout +# +# The time in seconds to wait for block teminatation. +# +#=end + +class TimeoutError<StandardError +end + +Thread.abort_on_exception = true + +def timeout(sec) + begin + x = Thread.current + y = Thread.start { + sleep sec + x.raise TimeoutError, "execution expired" if x.status + } + yield sec + return true + ensure + Thread.kill y if y.status + end +end |