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