Module: CodeRunner::GenericLinux

Defined in:
lib/coderunner/system_modules/generic_linux.rb

Instance Method Summary collapse

Instance Method Details

#cancel_job ⇒ Object 



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# File 'lib/coderunner/system_modules/generic_linux.rb', line 63

def cancel_job
  children = `ps --ppid #@job_no`.scan(/^\s*(\d+)/).map{|match| match[0].to_i}
  system "kill #{@job_no}"
  children.each do |pid|
     system "kill #{pid}"
  end
#   `kill #{@job_no}`
end

#error_file ⇒ Object 



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# File 'lib/coderunner/system_modules/generic_linux.rb', line 72

def error_file
    return "#{executable_name}.#{job_identifier}.e"
end

#execute ⇒ Object 



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# File 'lib/coderunner/system_modules/generic_linux.rb', line 25

def execute
  log 'execute_submission'
#   ppipe = PPipe.new(2, false)
#   trap(0){}
#   ppipe.fork do
#     trap(0, 'IGNORE')
#     trap(2, 'IGNORE')
#     pid =  system(run_command + " & ") #  fork{exec run_command}
#     ppipe.w_send(:pid, pid, tp: 0)
#     Thread.new{Process.wait(pid)} # Need to pick up the dead process when it finishes
#   end
#   pid = ppipe.w_recv(:pid)
#   ppipe.die
#   eputs "HERE"
  
#   trap(0){}
#   trap(2, 'IGNORE')
#   pid = spawn("trap '' 2 && trap '' 0 && " + run_command + " & ")
  if prefix = ENV['CODE_RUNNER_LAUNCHER']
    launch_id = "#{Time.now.to_i}#{$$}"
    fname = CodeRunner.launcher_directory + "/#{launch_id}"
    File.open(fname + '.start', 'w'){|file| file.puts "cd #{Dir.pwd};#{run_command}"}
    sleep 1 until FileTest.exist? fname + '.pid'
    pid = File.read(fname + '.pid').to_i
    FileUtils.rm fname + '.pid'
  else
    pid = Kernel.spawn(run_command + " & ")
  end
  
#   require 'rbconfig'
#   pid = spawn %[#{Config::CONFIG['bindir']}/#{Config::CONFIG['ruby_install_name']} -e 'puts fork{exec("#{run_command}")}' &]
  
#   eputs "THERE"
#   Thread.new{Process.wait(pid)}
#   sleep 0.2
  return pid
end

#output_file ⇒ Object 



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# File 'lib/coderunner/system_modules/generic_linux.rb', line 76

def output_file
    return "#{executable_name}.#{job_identifier}.o"
end

#queue_status ⇒ Object

@@ruby_command = "ruby1.9"



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# File 'lib/coderunner/system_modules/generic_linux.rb', line 7

def queue_status
  if rcp.uses_mpi
    return %x[ps -e -U #{Process.uid} | grep mpi] + %x[ps -e -U #{Process.uid} | grep -G '\\bsh\\b'] + %x[ps -e -U #{Process.uid} -o pid,user,cmd | grep coderunner].grep(/launch/)
  else
#     ep executable_name
    return %x[ps -e -U #{Process.uid} | grep '#{executable_name}'] + %x[ps -e -U #{Process.uid} | grep -G '\\bsh\\b']
  end
end

#run_command ⇒ Object 



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# File 'lib/coderunner/system_modules/generic_linux.rb', line 16

def run_command
  if rcp.uses_mpi
    raise "Number of processors (nprocs) not specified" unless @nprocs
    return %[time mpirun -np #{@nprocs} #{executable_location}/#{executable_name} #{parameter_string} > #{output_file} 2> #{error_file}]
  else
    return %[#{executable_location}/#{executable_name} #{parameter_string} > #{output_file} 2> #{error_file}]
  end
end