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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <config.h>
include <syserr.h>
# PRDONE -- Determine if a detached process (background job) has completed.
# This is a difficult process to perform portably at the system call level,
# hence the deletion of the bkgfile is used to signal the completion of a
# detached process. If the detached process fails to delete its bkgfile
# for some reason, PRCLDPR will do so if the process has indeed terminated.
int procedure prdone (job)
int job # job number (slot number in job table)
int access()
include "prd.com"
begin
if (pr_jobcode[job] == NULL)
call syserr (SYS_PRBKGNF)
if (access (Memc[pr_bkgfile[job]], 0, 0) == YES)
return (NO)
else
return (YES)
end
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