2009-03-04 06:17:06 +01:00
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/*
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* Copyright (C) 2009 Daniel Verkamp <daniel@drv.nu>.
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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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2009-03-21 06:48:15 +01:00
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*
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* March-19-2009 @ 02:44: Added sleep command.
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* Shao Miller <shao.miller@yrdsb.edu.on.ca>.
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2009-03-04 06:17:06 +01:00
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*/
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#include <stdio.h>
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2009-03-21 06:48:15 +01:00
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#include <stdlib.h>
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2009-03-04 06:17:06 +01:00
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#include <string.h>
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#include <unistd.h>
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2010-04-19 21:16:01 +02:00
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#include <ipxe/command.h>
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#include <ipxe/nap.h>
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#include <ipxe/timer.h>
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2009-03-04 06:17:06 +01:00
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static int time_exec ( int argc, char **argv ) {
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unsigned long start;
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int rc, secs;
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if ( argc == 1 ||
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!strcmp ( argv[1], "--help" ) ||
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!strcmp ( argv[1], "-h" ) )
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{
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printf ( "Usage:\n"
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" %s <command>\n"
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"\n"
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"Time a command\n",
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argv[0] );
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return 1;
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}
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start = currticks();
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rc = execv ( argv[1], argv + 1 );
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secs = (currticks() - start) / ticks_per_sec();
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printf ( "%s: %ds\n", argv[0], secs );
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return rc;
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}
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struct command time_command __command = {
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.name = "time",
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.exec = time_exec,
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};
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2009-03-21 06:48:15 +01:00
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static int sleep_exec ( int argc, char **argv ) {
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unsigned long start, delay;
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if ( argc == 1 ||
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!strcmp ( argv[1], "--help" ) ||
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!strcmp ( argv[1], "-h" ))
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{
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printf ( "Usage:\n"
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" %s <seconds>\n"
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"\n"
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"Sleep for <seconds> seconds\n",
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argv[0] );
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return 1;
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}
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start = currticks();
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delay = strtoul ( argv[1], NULL, 0 ) * ticks_per_sec();
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while ( ( currticks() - start ) <= delay )
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cpu_nap();
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return 0;
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}
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struct command sleep_command __command = {
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.name = "sleep",
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.exec = sleep_exec,
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};
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