/******************************************************************************
 *
 *   Copyright © International Business Machines  Corp., 2009
 *
 *   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
 *   (at your option) any later version.
 *
 * DESCRIPTION
 *      Test if FUTEX_WAIT op returns -EWOULDBLOCK if the futex value differs
 *      from the expected one.
 *
 * AUTHOR
 *      Gowrishankar <gowrishankar.m@in.ibm.com>
 *
 * HISTORY
 *      2009-Nov-14: Initial version by Gowrishankar <gowrishankar.m@in.ibm.com>
 *
 *****************************************************************************/

#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "futextest.h"
#include "logging.h"

#define timeout_ns 100000

void usage(char *prog)
{
	printf("Usage: %s\n", prog);
	printf("  -c	Use color\n");
	printf("  -h	Display this help message\n");
	printf("  -v L	Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n",
	       VQUIET, VCRITICAL, VINFO);
}

int main(int argc, char *argv[])
{
	struct timespec to = {.tv_sec = 0, .tv_nsec = timeout_ns};
	futex_t f1 = FUTEX_INITIALIZER;
	int res, ret = RET_PASS;
	int c;

	while ((c = getopt(argc, argv, "cht:v:")) != -1) {
		switch (c) {
		case 'c':
			log_color(1);
			break;
		case 'h':
			usage(basename(argv[0]));
			exit(0);
		case 'v':
			log_verbosity(atoi(optarg));
			break;
		default:
			usage(basename(argv[0]));
			exit(1);
		}
	}

	printf("%s: Test the unexpected futex value in FUTEX_WAIT\n",
	       basename(argv[0]));

	info("Calling futex_wait on f1: %u @ %p with val=%u\n", f1, &f1, f1+1);
	res = futex_wait(&f1, f1+1, &to, FUTEX_PRIVATE_FLAG);
	if (!res || errno != EWOULDBLOCK) {
		fail("futex_wait returned: %d %s\n",
		     res ? errno : res, res ? strerror(errno) : "");
		ret = RET_FAIL;
	}

	print_result(ret);
	return ret;
}
be3087b0ba'>commit</a><a class='active' href='/cgit.cgi/linux/net-next.git/diff/arch/c6x/boot/dts/evmc6678.dts?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/arch/c6x/boot/dts/evmc6678.dts'>
<input type='hidden' name='id' value='e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba'/><input type='hidden' name='id2' value='e34bac726d27056081d0250c0e173e4b155aa340'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>arch</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/c6x?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>c6x</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/c6x/boot?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>boot</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/c6x/boot/dts?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>dts</a>/<a href='/cgit.cgi/linux/net-next.git/diff/arch/c6x/boot/dts/evmc6678.dts?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>evmc6678.dts</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba'/><input type='hidden' name='id2' value='e34bac726d27056081d0250c0e173e4b155aa340'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba&amp;id2=e34bac726d27056081d0250c0e173e4b155aa340'>Diffstat</a> (limited to 'arch/c6x/boot/dts/evmc6678.dts')</div><table summary='diffstat' class='diffstat'>