NAME

       evQueue - evQueue core engine

SYNOPSIS

       evqueue [ OPTIONS ]

DESCRIPTION

       evQueue  is  the  core  engine  daemon. It must be running if you want to launch tasks and
       workflows.

       An IPC queue is used for communication between tasks monitors and evQueue daemon. This  is
       used  to  allow  daemon  restarting  while tasks are running (as IPC queue is persistent).
       Missed messages will be processed after restart. So it is safe to restart the engine while
       workflows are running.

OPTIONS

       --config configfile
              Load configuration from file configfile.

       --daemon
              Run in background.

       --ipcq-remove
              Remove   the  IPC  queue.  This  will  erase  all  persistent  state  of  processes
              termination. In general you should never use this option unless the IPC  queue  has
              become  corrupted. This can happen after an upgrade to an incompatible version when
              messages are pending in queue.

       --ipcq-stats
              Display information about IPC queue.

       --ipc-terminate-tid tid
              Send IPC message to notify evQueue that the task identified by tid  is  terminated.
              The  return  code  -1  is  sent (error status). This can be used if a task is stuck
              (task is terminated but message from monitor to daemon has  been  lost).  This  can
              happen  when  multiple  daemons  are  launched with the same queue ID and the wrong
              daemon gets notified.

       --version
              Display version information and build date.

SEE ALSO

       http://www.evqueue.net/