diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-08-13 05:45:20 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1999-08-13 05:45:20 +0000 |
commit | 65a5162550f58047974793cdc8067a970b2435c0 (patch) | |
tree | 082bb7d5568f3b2e36e3fe166e9f3039394fcf44 /lib/timeout.rb | |
parent | fcd020c83028f5610d382e85a2df00223e12bd7e (diff) |
1.4.0
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 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 |