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Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/core/monojob.c')
-rw-r--r--contrib/syslinux-4.02/gpxe/src/core/monojob.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/core/monojob.c b/contrib/syslinux-4.02/gpxe/src/core/monojob.c
new file mode 100644
index 0000000..a24b559
--- /dev/null
+++ b/contrib/syslinux-4.02/gpxe/src/core/monojob.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <gpxe/process.h>
+#include <console.h>
+#include <gpxe/keys.h>
+#include <gpxe/job.h>
+#include <gpxe/monojob.h>
+#include <gpxe/timer.h>
+
+/** @file
+ *
+ * Single foreground job
+ *
+ */
+
+static int monojob_rc;
+
+static void monojob_done ( struct job_interface *job __unused, int rc ) {
+ monojob_rc = rc;
+}
+
+/** Single foreground job operations */
+static struct job_interface_operations monojob_operations = {
+ .done = monojob_done,
+ .kill = ignore_job_kill,
+ .progress = ignore_job_progress,
+};
+
+/** Single foreground job */
+struct job_interface monojob = {
+ .intf = {
+ .dest = &null_job.intf,
+ .refcnt = NULL,
+ },
+ .op = &monojob_operations,
+};
+
+/**
+ * Wait for single foreground job to complete
+ *
+ * @v string Job description to display
+ * @ret rc Job final status code
+ */
+int monojob_wait ( const char *string ) {
+ int key;
+ int rc;
+ unsigned long last_progress_dot;
+ unsigned long elapsed;
+
+ printf ( "%s.", string );
+ monojob_rc = -EINPROGRESS;
+ last_progress_dot = currticks();
+ while ( monojob_rc == -EINPROGRESS ) {
+ step();
+ if ( iskey() ) {
+ key = getchar();
+ switch ( key ) {
+ case CTRL_C:
+ job_kill ( &monojob );
+ rc = -ECANCELED;
+ goto done;
+ default:
+ break;
+ }
+ }
+ elapsed = ( currticks() - last_progress_dot );
+ if ( elapsed >= TICKS_PER_SEC ) {
+ printf ( "." );
+ last_progress_dot = currticks();
+ }
+ }
+ rc = monojob_rc;
+
+done:
+ job_done ( &monojob, rc );
+ if ( rc ) {
+ printf ( " %s\n", strerror ( rc ) );
+ } else {
+ printf ( " ok\n" );
+ }
+ return rc;
+}