Initial commit

1 files changed, 69 insertions, 0 deletions

diff --git a/sys/ki/kienvreset.x b/sys/ki/kienvreset.x
new file mode 100644
index 00000000..5a69c519
--- /dev/null
+++ b/sys/ki/kienvreset.x
@@ -0,0 +1,69 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<mach.h>
+include	<config.h>
+include	"ki.h"
+
+# KI_ENVRESET -- Update the value of an environment variable on all currently
+# connected nodes.
+
+procedure ki_envreset (name, value)
+
+char	name[ARB]		#I name of environment variable
+char	value[ARB]		#I value of environment variable
+
+pointer	sp, buf, op
+int	node, junk, ch
+int	gstrcpy(), ki_send()
+bool	streq()
+
+include	"kii.com"
+include	"kinode.com"
+define	quit_ 91
+
+begin
+	# Do not propagate the host-specific iraf definitions "iraf", "host",
+	# and "tmp" over the network.
+
+	ch = name[1]
+	if (ch == 'i' || ch == 'h' || ch == 't')
+	    if (streq(name,"iraf") || streq(name,"host") || streq(name,"tmp"))
+		return
+
+	call smark (sp)
+	call salloc (buf, SZ_COMMAND, TY_CHAR)
+
+	# Format the SET statement to be sent to each node.
+	op = buf + gstrcpy ("set ", Memc[buf], SZ_COMMAND)
+	op = op + gstrcpy (name, Memc[op], SZ_COMMAND - 4)
+	Memc[op] = '=';  op = op + 1
+	Memc[op] = '"';  op = op + 1
+	op = op + gstrcpy (value, Memc[op], SZ_COMMAND - (op - buf))
+	Memc[op] = '"';  op = op + 1
+	Memc[op] = '\n';  op = op + 1
+	Memc[op] = EOS
+
+	# Transmit the SET statement to each node currently running a kernel
+	# server process.  This is done without reading back a status value
+	# to permit pipelining of multiple set environment packets.
+
+	for (node=1;  node <= n_nnodes;  node=node+1) {
+	    if (n_kschan[node] == NULL)
+		next
+
+	    # Set up control packet.
+	    p_sbuflen = gstrcpy (Memc[buf], p_sbuf, SZ_SBUF)
+	    p_arg[1] = p_sbuflen
+
+	    # Transmit packet.
+	    if (ki_send (node, KI_ENVINIT, 0) == ERR)
+		goto quit_
+	}
+
+	call sfree (sp)
+	return
+quit_
+	call zclsks (n_kschan[node], junk)
+	n_kschan[node] = NULL
+	call sfree (sp)
+end