diff options
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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