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/*
* Copyright (C) 2009 Daniel Verkamp <daniel@drv.nu>.
*
* 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.
*
* March-19-2009 @ 02:44: Added sleep command.
* Shao Miller <shao.miller@yrdsb.edu.on.ca>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <gpxe/command.h>
#include <gpxe/nap.h>
#include <gpxe/timer.h>
static int time_exec ( int argc, char **argv ) {
unsigned long start;
int rc, secs;
if ( argc == 1 ||
!strcmp ( argv[1], "--help" ) ||
!strcmp ( argv[1], "-h" ) )
{
printf ( "Usage:\n"
" %s <command>\n"
"\n"
"Time a command\n",
argv[0] );
return 1;
}
start = currticks();
rc = execv ( argv[1], argv + 1 );
secs = (currticks() - start) / ticks_per_sec();
printf ( "%s: %ds\n", argv[0], secs );
return rc;
}
struct command time_command __command = {
.name = "time",
.exec = time_exec,
};
static int sleep_exec ( int argc, char **argv ) {
unsigned long start, delay;
if ( argc == 1 ||
!strcmp ( argv[1], "--help" ) ||
!strcmp ( argv[1], "-h" ))
{
printf ( "Usage:\n"
" %s <seconds>\n"
"\n"
"Sleep for <seconds> seconds\n",
argv[0] );
return 1;
}
start = currticks();
delay = strtoul ( argv[1], NULL, 0 ) * ticks_per_sec();
while ( ( currticks() - start ) <= delay )
cpu_nap();
return 0;
}
struct command sleep_command __command = {
.name = "sleep",
.exec = sleep_exec,
};
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