Class: ChildProcess::Unix::Process
- Inherits:
-
AbstractProcess
- Object
- AbstractProcess
- ChildProcess::Unix::Process
- Defined in:
- lib/childprocess/unix/process.rb
Direct Known Subclasses
Constant Summary
Constants inherited from AbstractProcess
AbstractProcess::POLL_INTERVAL
Instance Attribute Summary collapse
-
#pid ⇒ Object
readonly
Returns the value of attribute pid.
Attributes inherited from AbstractProcess
#detach, #duplex, #environment, #exit_code
Instance Method Summary collapse
Methods inherited from AbstractProcess
#alive?, #crashed?, #initialize, #poll_for_exit, #start
Constructor Details
This class inherits a constructor from ChildProcess::AbstractProcess
Instance Attribute Details
#pid ⇒ Object (readonly)
Returns the value of attribute pid.
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# File 'lib/childprocess/unix/process.rb', line 4 def pid @pid end |
Instance Method Details
#exited? ⇒ Boolean
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# File 'lib/childprocess/unix/process.rb', line 28 def exited? return true if @exit_code assert_started pid, status = ::Process.waitpid2(@pid, ::Process::WNOHANG) pid = nil if pid == 0 # may happen on jruby log(:pid => pid, :status => status) if pid @exit_code = status.exitstatus || status.termsig end !!pid end |
#io ⇒ Object
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# File 'lib/childprocess/unix/process.rb', line 6 def io @io ||= Unix::IO.new end |
#stop(timeout = 3) ⇒ Object
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# File 'lib/childprocess/unix/process.rb', line 10 def stop(timeout = 3) assert_started send_term begin return poll_for_exit(timeout) rescue TimeoutError # try next end send_kill wait rescue Errno::ECHILD, Errno::ESRCH # handle race condition where process dies between timeout # and send_kill true end |
#wait ⇒ Object
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# File 'lib/childprocess/unix/process.rb', line 44 def wait assert_started pid, status = ::Process.waitpid2 @pid @exit_code = status.exitstatus || status.termsig end |