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Differences From Artifact [88799f98f8]:

To Artifact [781c177a90]:


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(define (cmd-run-proc-each-line cmd proc . params)
  ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params)
  (handle-exceptions
   exn
   (begin
     (print "ERROR:  Failed to run command: " cmd " " (string-intersperse params " "))


     #f)
   (let-values (((fh fho pid) (if (null? params)
				  (process cmd)
				  (process cmd params))))
       (let loop ((curr (read-line fh))
		(result  '()))
       (if (not (eof-object? curr))







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(define (cmd-run-proc-each-line cmd proc . params)
  ;; (print "Called with cmd=" cmd ", proc=" proc ", params=" params)
  (handle-exceptions
   exn
   (begin
     (print "ERROR:  Failed to run command: " cmd " " (string-intersperse params " "))
     (debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
     (print "exn=" (condition->list exn))
     #f)
   (let-values (((fh fho pid) (if (null? params)
				  (process cmd)
				  (process cmd params))))
       (let loop ((curr (read-line fh))
		(result  '()))
       (if (not (eof-object? curr))
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     (let loop ((inl (read-line))
		(res '()))
       (if (eof-object? inl)
	   (reverse res)
	   (let ((pid (string->number inl)))
	     (if proc (proc pid))
	     (loop (read-line) (cons pid res))))))))
       
















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     (let loop ((inl (read-line))
		(res '()))
       (if (eof-object? inl)
	   (reverse res)
	   (let ((pid (string->number inl)))
	     (if proc (proc pid))
	     (loop (read-line) (cons pid res))))))))

(define (process:alive? pid)
  (handle-exceptions
   exn
   ;; possibly pid is a process not a child, look in /proc to see if it is running still
   (file-exists? (conc "/proc/" pid))
   (let-values (((rpid exit-type exit-signal)(process-wait pid #t)))
       (and (number? rpid)
	    (equal? rpid pid)))))