startpar



SYNOPSIS
       startpar [-p par] [-i iorate] [-t timeout] [-T global_timeout] [-a arg]
       prg1 prg2 ...
       startpar [-p par] [-i iorate] [-t timeout]  [-T  global_timeout]  -M  [
       boot|start|stop]


DESCRIPTION
       startpar  is  used  to run multiple run-level scripts in parallel.  The
       degree of parallelism on one CPU can be set with  the  -p  option,  the
       default  is  full parallelism. An argument to all of the scripts can be
       provided with the -a option.  Processes blocked  by  pending  I/O  will
       cause new process creation to be weighted by the iorate factor 800.  To
       change this factor the option -i can be used to specify another  value.
       The  amount  weight=(nblockedxiorate)/1000  will be subtracted from the
       total number of processes which could be started, where nblocked is the
       number of processes currently blocked by pending I/O.

       The  output  of  each  script  is  buffered and written when the script
       exits, so output lines of different scripts won't mix. You  can  modify
       this behaviour by setting a timeout.

       The  timeout  set  with the -t option is used as buffer timeout. If the
       output buffer of a script is not empty and the last output was  timeout
       seconds ago, startpar will flush the buffer.

       The  -T option timeout works more globally. If no output is printed for
       more than global_timeout seconds, startpar will flush the buffer of the
       script  with the oldest output. Afterwards it will only print output of
       this script until it is finished.

       The -M option switches startpar into a make(1)  like  behaviour.   This
       option takes three different arguments: boot, start, and stop for read-
       ing .depend.boot or .depend.start or .depend.stop respectively  in  the
       directory  /etc/init.d/.  By scanning the boot and runlevel directories
       in /etc/init.d/ it then executes the appropriate scripts in parallel.


FILES
       /etc/init.d/.depend.boot
       /etc/init.d/.depend.start
       /etc/init.d/.depend.stop


SEE ALSO
       init(8) insserv(8).


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