1 files changed, 42 insertions, 0 deletions
diff --git a/sys/etc/prkill.x b/sys/etc/prkill.x
new file mode 100644
index 00000000..f6938923
--- /dev/null
+++ b/sys/etc/prkill.x
@@ -0,0 +1,42 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<knet.h>
+include	<config.h>
+include	<syserr.h>
+
+define	NOKILL		NO
+define	KILL		YES
+
+# PRKILL -- Kill a detached process.  Control does not return until the process
+# has terminated, unless the kill fails for some reason.  If the process exists
+# and is terminated by the kill directive, the exit status is left in the
+# process table for return by PRCLDPR.
+
+procedure prkill (job)
+
+int	job			# slot number of job in prd.com table
+include	"prd.com"
+errchk	syserr
+
+begin
+	# Kill the process if there is such a process and it is still active.
+	# It is an error to try to kill a nonexistent process or a process
+	# which has already been killed.
+
+	if (pr_jobcode[job] == NULL)
+	    call syserr (SYS_PRBKGNF)
+	else if (pr_active[job] == NO)
+	    call syserr (SYS_PRBKGNOKILL)
+	else {
+	    call zcldpr (pr_jobcode[job], KILL, pr_exit_status[job])
+	    if (pr_exit_status[job] == ERR)
+		call syserr (SYS_PRBKGNOKILL)
+	    else
+		pr_active[job] = NO
+	}
+
+	# Delete the bkgfile if the process has not already done so during
+	# shutdown.
+	iferr (call delete (Memc[pr_bkgfile[job]]))
+	    ;
+end