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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 | 07bb9f21f56b0d066c44c62b0e6be35eb0e0fd51 (patch) | |
tree | 082bb7d5568f3b2e36e3fe166e9f3039394fcf44 /lib/timeout.rb | |
parent | f746453a4ae16f643b2ae8c0d6ec77a2e63b4eb1 (diff) | |
download | ruby-07bb9f21f56b0d066c44c62b0e6be35eb0e0fd51.tar.gz ruby-07bb9f21f56b0d066c44c62b0e6be35eb0e0fd51.tar.xz ruby-07bb9f21f56b0d066c44c62b0e6be35eb0e0fd51.zip |
1.4.0
git-svn-id: http://svn.ruby-lang.org/repos/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 000000000..d4ea758ac --- /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 |