Initial commit

1 files changed, 59 insertions, 0 deletions

diff --git a/sys/ki/kopdpr.x b/sys/ki/kopdpr.x
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+++ b/sys/ki/kopdpr.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<mach.h>
+include	"ki.h"
+
+# KOPDPR -- Open a detached process.
+
+procedure kopdpr (process, bkgfile, bkgmsg, jobcode)
+
+char	process[ARB]		# packed osfn of process executable
+char	bkgfile[ARB]		# packed osfn of bkg file
+char	bkgmsg[ARB]		# control string for kernel
+int	jobcode			# receives job code of process
+
+pointer	sp, osfn, alias
+int	server, off, delim
+int	ki_connect(), ki_sendrcv(), ki_getchan(), strlen(), ki_gnode()
+include	"kii.com"
+
+begin
+	call smark (sp)
+	call salloc (osfn,  SZ_PATHNAME, TY_CHAR)
+	call salloc (alias, SZ_ALIAS,    TY_CHAR)
+
+	server = ki_connect (process)
+
+	if (server == NULL) {
+	    call strpak (p_sbuf[p_arg[1]], p_sbuf, SZ_SBUF)
+	    call strupk (bkgfile, Memc[osfn], SZ_PATHNAME)
+
+	    # The bkg file must be on the same node as the process file.
+	    if (ki_gnode (Memc[osfn], Memc[alias], delim) == REMOTE)
+		jobcode = ERR
+	    else {
+		call strpak (Memc[osfn+(delim+1)-1], Memc[osfn], SZ_PATHNAME)
+		call zopdpr (p_sbuf, Memc[osfn], bkgmsg, jobcode)
+	    }
+
+	} else {
+	    # Spawning of detached processes on remote notes is not really
+	    # supported as of yet.  Add support for passing the bkgmsg; use
+	    # node name in bkgmsg to submit bkg job to remote node.
+
+	    off = p_sbuflen + 2
+	    p_arg[2] = off
+	    call strupk (bkgfile, p_sbuf[off], ARB)
+	    p_sbuflen = off + strlen(p_sbuf[off])
+
+	    if (ki_sendrcv (server, KI_ZOPDPR, 0) == ERR)
+		jobcode = ERR
+	    else
+		jobcode = p_arg[1]
+	}
+
+	if (jobcode != ERR)
+	    jobcode = ki_getchan (server, jobcode)
+
+	call sfree (sp)
+end