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/*
* 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;
}
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