1 files changed, 32 insertions, 0 deletions
diff --git a/sys/etc/proscmd.x b/sys/etc/proscmd.x
new file mode 100644
index 00000000..cf1e5bb3
--- /dev/null
+++ b/sys/etc/proscmd.x
@@ -0,0 +1,32 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<config.h>
+
+# PROSCMD -- Process an OS escape command from a subprocess.  Execute the
+# command and return the exit status to the subprocess via IPC.
+
+procedure proscmd (pr, cmd)
+
+int	pr		# subprocess process slot number
+char	cmd[ARB]	# host command to be executed
+
+char	statbuf[5]
+int	fd, status, op
+int	itoc(), oscmd()
+include	"prc.com"
+
+begin
+	fd = pr_outfd[pr]
+
+	# Execute the command (waits for completion).
+	status = oscmd (cmd, "", "", "")
+
+	# Encode the return status.
+	op = itoc (status, statbuf, 5) + 1
+	statbuf[op] = '\n'
+	statbuf[op+1] = EOS
+
+	# Return the status to the subprocess.
+	call write (fd, statbuf, op)
+	call flush (fd)
+end