Module: Process
- Defined in:
- lib/process_exists/core_ext/process.rb
Overview
The Process module is a collection of methods used to manipulate processes.
Class Method Summary collapse
-
.exists?(pid) ⇒ Boolean
Checks if a process exists.
Class Method Details
.exists?(pid) ⇒ Boolean
Checks if a process exists
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# File 'lib/process_exists/core_ext/process.rb', line 5 def self.exists?(pid) Process.kill(0, pid.to_i) true rescue Errno::ESRCH # No such process false rescue Errno::EPERM # The process exists, but you dont have permission to send the signal to it. true end |