5821ba9695
The test plan for TAP needs to be declared immediately after the header. This adds the test plan API to kselftest.h and updates all callers to declare their expected test counts. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
/******************************************************************************
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*
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* Copyright © International Business Machines Corp., 2009
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* DESCRIPTION
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* Block on a futex and wait for timeout.
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*
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* AUTHOR
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* Darren Hart <dvhart@linux.intel.com>
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*
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* HISTORY
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* 2009-Nov-6: Initial version by Darren Hart <dvhart@linux.intel.com>
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*
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*****************************************************************************/
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#include <errno.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "futextest.h"
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#include "logging.h"
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#define TEST_NAME "futex-wait-timeout"
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static long timeout_ns = 100000; /* 100us default timeout */
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void usage(char *prog)
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{
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printf("Usage: %s\n", prog);
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printf(" -c Use color\n");
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printf(" -h Display this help message\n");
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printf(" -t N Timeout in nanoseconds (default: 100,000)\n");
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printf(" -v L Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n",
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VQUIET, VCRITICAL, VINFO);
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}
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int main(int argc, char *argv[])
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{
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futex_t f1 = FUTEX_INITIALIZER;
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struct timespec to;
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int res, ret = RET_PASS;
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int c;
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while ((c = getopt(argc, argv, "cht:v:")) != -1) {
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switch (c) {
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case 'c':
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log_color(1);
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break;
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case 'h':
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usage(basename(argv[0]));
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exit(0);
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case 't':
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timeout_ns = atoi(optarg);
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break;
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case 'v':
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log_verbosity(atoi(optarg));
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break;
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default:
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usage(basename(argv[0]));
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exit(1);
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}
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}
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ksft_print_header();
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ksft_set_plan(1);
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ksft_print_msg("%s: Block on a futex and wait for timeout\n",
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basename(argv[0]));
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ksft_print_msg("\tArguments: timeout=%ldns\n", timeout_ns);
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/* initialize timeout */
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to.tv_sec = 0;
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to.tv_nsec = timeout_ns;
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info("Calling futex_wait on f1: %u @ %p\n", f1, &f1);
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res = futex_wait(&f1, f1, &to, FUTEX_PRIVATE_FLAG);
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if (!res || errno != ETIMEDOUT) {
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fail("futex_wait returned %d\n", ret < 0 ? errno : ret);
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ret = RET_FAIL;
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}
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print_result(TEST_NAME, ret);
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return ret;
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}
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