The following module was proposed for inclusion in the Module List:
modid: Schedule::Depend
DSLIP: adpOp
description: Parallel execution w/ dependencies.
userid: LEMBARK (Steven Lembark)
chapterid: 4 (Operating_System_Interfaces)
communities:
similar:
Similar to pmake, not much else I can find.
rationale:
Schedule:: seems likely since this runs other jobs.
Schedule::Depend is an OO variant of a makefile system for running
tasks that depend on one another sequentially, can run in parallel
and/or may have to be restarted after a general failure. It
combines
a simplified make-like syntax with the ability to overload token
expansion and pre-post execution checks and the use of pidfiles
with exit status that allow restarting the queue.
The syntax of its dependncy list is similar to make. Rather than
try to emulate make's target + exectuion format, however, this
uses literal aliases as the baseline replacement, e.g.,
bar = pwd
foo = ls
foo:bar
will run "ls" after "pwd". Overloading the alias mechanism allows
replacing "foo" with whatever the designer likes.
The runnable jobs are forked, with the expanded string fed to the
shell via exec $string; children are reaped via wait. Jobs are run
in parallel, within limits set by a maxjob parameter in the alias
list.
The code itself is reasonably stable at this point, main reason for
marking it "alpha" are likely changes in the interface as people
play with it.
enteredby: LEMBARK (Steven Lembark)
enteredon: Thu Feb 7 00:14:09 2002 GMT
The resulting entry would be:
Schedule::
::Depend adpOp Parallel execution w/ dependencies. LEMBARK
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