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author | David Heinemeier Hansson <david@loudthinking.com> | 2006-03-01 03:53:54 +0000 |
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committer | David Heinemeier Hansson <david@loudthinking.com> | 2006-03-01 03:53:54 +0000 |
commit | 420ffb79e317aeb555d38390baf70df32a9b71a2 (patch) | |
tree | f1d4164943c64351e54ca98a5e4e59a5f1743c7c /activesupport/lib/active_support/core_ext/kernel/daemonizing.rb | |
parent | 8adaf10ecabf3c48b39042044fa58e9933b1f208 (diff) | |
download | rails-420ffb79e317aeb555d38390baf70df32a9b71a2.tar.gz rails-420ffb79e317aeb555d38390baf70df32a9b71a2.tar.bz2 rails-420ffb79e317aeb555d38390baf70df32a9b71a2.zip |
Added Kernel#daemonize to turn the current process into a daemon that can be killed with a TERM signal [DHH] Refactored stuff lingering in kernel.rb to the appropriate places
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3714 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activesupport/lib/active_support/core_ext/kernel/daemonizing.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/kernel/daemonizing.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/kernel/daemonizing.rb b/activesupport/lib/active_support/core_ext/kernel/daemonizing.rb new file mode 100644 index 0000000000..0e78819fdf --- /dev/null +++ b/activesupport/lib/active_support/core_ext/kernel/daemonizing.rb @@ -0,0 +1,15 @@ +module Kernel + # Turns the current script into a daemon process that detaches from the console. + # It can be shut down with a TERM signal. + def daemonize + exit if fork # Parent exits, child continues. + Process.setsid # Become session leader. + exit if fork # Zap session leader. See [1]. + Dir.chdir "/" # Release old working directory. + File.umask 0000 # Ensure sensible umask. Adjust as needed. + STDIN.reopen "/dev/null" # Free file descriptors and + STDOUT.reopen "/dev/null", "a" # point them somewhere sensible. + STDERR.reopen STDOUT # STDOUT/ERR should better go to a logfile. + trap("TERM") { exit } + end +end
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