12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
22aa8470fSDarren Hart /******************************************************************************
32aa8470fSDarren Hart *
42aa8470fSDarren Hart * Copyright © International Business Machines Corp., 2006-2008
52aa8470fSDarren Hart *
62aa8470fSDarren Hart * DESCRIPTION
72aa8470fSDarren Hart * This test excercises the futex syscall op codes needed for requeuing
82aa8470fSDarren Hart * priority inheritance aware POSIX condition variables and mutexes.
92aa8470fSDarren Hart *
102aa8470fSDarren Hart * AUTHORS
112aa8470fSDarren Hart * Sripathi Kodi <sripathik@in.ibm.com>
122aa8470fSDarren Hart * Darren Hart <dvhart@linux.intel.com>
132aa8470fSDarren Hart *
142aa8470fSDarren Hart * HISTORY
152aa8470fSDarren Hart * 2008-Jan-13: Initial version by Sripathi Kodi <sripathik@in.ibm.com>
162aa8470fSDarren Hart * 2009-Nov-6: futex test adaptation by Darren Hart <dvhart@linux.intel.com>
172aa8470fSDarren Hart *
182aa8470fSDarren Hart *****************************************************************************/
192aa8470fSDarren Hart
20f17d8a87SMark Brown #define _GNU_SOURCE
21f17d8a87SMark Brown
222aa8470fSDarren Hart #include <errno.h>
232aa8470fSDarren Hart #include <limits.h>
242aa8470fSDarren Hart #include <pthread.h>
252aa8470fSDarren Hart #include <stdio.h>
262aa8470fSDarren Hart #include <stdlib.h>
272aa8470fSDarren Hart #include <signal.h>
282aa8470fSDarren Hart #include <string.h>
292aa8470fSDarren Hart #include "atomic.h"
302aa8470fSDarren Hart #include "futextest.h"
312aa8470fSDarren Hart #include "logging.h"
322aa8470fSDarren Hart
331f666e52SNaresh Kamboju #define TEST_NAME "futex-requeue-pi"
342aa8470fSDarren Hart #define MAX_WAKE_ITERS 1000
352aa8470fSDarren Hart #define THREAD_MAX 10
362aa8470fSDarren Hart #define SIGNAL_PERIOD_US 100
372aa8470fSDarren Hart
382aa8470fSDarren Hart atomic_t waiters_blocked = ATOMIC_INITIALIZER;
392aa8470fSDarren Hart atomic_t waiters_woken = ATOMIC_INITIALIZER;
402aa8470fSDarren Hart
412aa8470fSDarren Hart futex_t f1 = FUTEX_INITIALIZER;
422aa8470fSDarren Hart futex_t f2 = FUTEX_INITIALIZER;
432aa8470fSDarren Hart futex_t wake_complete = FUTEX_INITIALIZER;
442aa8470fSDarren Hart
452aa8470fSDarren Hart /* Test option defaults */
462aa8470fSDarren Hart static long timeout_ns;
472aa8470fSDarren Hart static int broadcast;
482aa8470fSDarren Hart static int owner;
492aa8470fSDarren Hart static int locked;
502aa8470fSDarren Hart
512aa8470fSDarren Hart struct thread_arg {
522aa8470fSDarren Hart long id;
532aa8470fSDarren Hart struct timespec *timeout;
542aa8470fSDarren Hart int lock;
552aa8470fSDarren Hart int ret;
562aa8470fSDarren Hart };
572aa8470fSDarren Hart #define THREAD_ARG_INITIALIZER { 0, NULL, 0, 0 }
582aa8470fSDarren Hart
usage(char * prog)592aa8470fSDarren Hart void usage(char *prog)
602aa8470fSDarren Hart {
612aa8470fSDarren Hart printf("Usage: %s\n", prog);
622aa8470fSDarren Hart printf(" -b Broadcast wakeup (all waiters)\n");
632aa8470fSDarren Hart printf(" -c Use color\n");
642aa8470fSDarren Hart printf(" -h Display this help message\n");
652aa8470fSDarren Hart printf(" -l Lock the pi futex across requeue\n");
662aa8470fSDarren Hart printf(" -o Use a third party pi futex owner during requeue (cancels -l)\n");
672aa8470fSDarren Hart printf(" -t N Timeout in nanoseconds (default: 0)\n");
682aa8470fSDarren Hart printf(" -v L Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n",
692aa8470fSDarren Hart VQUIET, VCRITICAL, VINFO);
702aa8470fSDarren Hart }
712aa8470fSDarren Hart
create_rt_thread(pthread_t * pth,void * (* func)(void *),void * arg,int policy,int prio)722aa8470fSDarren Hart int create_rt_thread(pthread_t *pth, void*(*func)(void *), void *arg,
732aa8470fSDarren Hart int policy, int prio)
742aa8470fSDarren Hart {
752aa8470fSDarren Hart int ret;
762aa8470fSDarren Hart struct sched_param schedp;
772aa8470fSDarren Hart pthread_attr_t attr;
782aa8470fSDarren Hart
792aa8470fSDarren Hart pthread_attr_init(&attr);
802aa8470fSDarren Hart memset(&schedp, 0, sizeof(schedp));
812aa8470fSDarren Hart
822aa8470fSDarren Hart ret = pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
832aa8470fSDarren Hart if (ret) {
842aa8470fSDarren Hart error("pthread_attr_setinheritsched\n", ret);
852aa8470fSDarren Hart return -1;
862aa8470fSDarren Hart }
872aa8470fSDarren Hart
882aa8470fSDarren Hart ret = pthread_attr_setschedpolicy(&attr, policy);
892aa8470fSDarren Hart if (ret) {
902aa8470fSDarren Hart error("pthread_attr_setschedpolicy\n", ret);
912aa8470fSDarren Hart return -1;
922aa8470fSDarren Hart }
932aa8470fSDarren Hart
942aa8470fSDarren Hart schedp.sched_priority = prio;
952aa8470fSDarren Hart ret = pthread_attr_setschedparam(&attr, &schedp);
962aa8470fSDarren Hart if (ret) {
972aa8470fSDarren Hart error("pthread_attr_setschedparam\n", ret);
982aa8470fSDarren Hart return -1;
992aa8470fSDarren Hart }
1002aa8470fSDarren Hart
1012aa8470fSDarren Hart ret = pthread_create(pth, &attr, func, arg);
1022aa8470fSDarren Hart if (ret) {
1032aa8470fSDarren Hart error("pthread_create\n", ret);
1042aa8470fSDarren Hart return -1;
1052aa8470fSDarren Hart }
1062aa8470fSDarren Hart return 0;
1072aa8470fSDarren Hart }
1082aa8470fSDarren Hart
1092aa8470fSDarren Hart
waiterfn(void * arg)1102aa8470fSDarren Hart void *waiterfn(void *arg)
1112aa8470fSDarren Hart {
1122aa8470fSDarren Hart struct thread_arg *args = (struct thread_arg *)arg;
1132aa8470fSDarren Hart futex_t old_val;
1142aa8470fSDarren Hart
1152aa8470fSDarren Hart info("Waiter %ld: running\n", args->id);
1162aa8470fSDarren Hart /* Each thread sleeps for a different amount of time
1172aa8470fSDarren Hart * This is to avoid races, because we don't lock the
1182aa8470fSDarren Hart * external mutex here */
1192aa8470fSDarren Hart usleep(1000 * (long)args->id);
1202aa8470fSDarren Hart
1212aa8470fSDarren Hart old_val = f1;
1222aa8470fSDarren Hart atomic_inc(&waiters_blocked);
1232aa8470fSDarren Hart info("Calling futex_wait_requeue_pi: %p (%u) -> %p\n",
1242aa8470fSDarren Hart &f1, f1, &f2);
1252aa8470fSDarren Hart args->ret = futex_wait_requeue_pi(&f1, old_val, &f2, args->timeout,
1262aa8470fSDarren Hart FUTEX_PRIVATE_FLAG);
1272aa8470fSDarren Hart
1282aa8470fSDarren Hart info("waiter %ld woke with %d %s\n", args->id, args->ret,
1292aa8470fSDarren Hart args->ret < 0 ? strerror(errno) : "");
1302aa8470fSDarren Hart atomic_inc(&waiters_woken);
1312aa8470fSDarren Hart if (args->ret < 0) {
1322aa8470fSDarren Hart if (args->timeout && errno == ETIMEDOUT)
1332aa8470fSDarren Hart args->ret = 0;
1342aa8470fSDarren Hart else {
1352aa8470fSDarren Hart args->ret = RET_ERROR;
1362aa8470fSDarren Hart error("futex_wait_requeue_pi\n", errno);
1372aa8470fSDarren Hart }
1382aa8470fSDarren Hart futex_lock_pi(&f2, NULL, 0, FUTEX_PRIVATE_FLAG);
1392aa8470fSDarren Hart }
1402aa8470fSDarren Hart futex_unlock_pi(&f2, FUTEX_PRIVATE_FLAG);
1412aa8470fSDarren Hart
1422aa8470fSDarren Hart info("Waiter %ld: exiting with %d\n", args->id, args->ret);
1432aa8470fSDarren Hart pthread_exit((void *)&args->ret);
1442aa8470fSDarren Hart }
1452aa8470fSDarren Hart
broadcast_wakerfn(void * arg)1462aa8470fSDarren Hart void *broadcast_wakerfn(void *arg)
1472aa8470fSDarren Hart {
1482aa8470fSDarren Hart struct thread_arg *args = (struct thread_arg *)arg;
1492aa8470fSDarren Hart int nr_requeue = INT_MAX;
1502aa8470fSDarren Hart int task_count = 0;
1512aa8470fSDarren Hart futex_t old_val;
1522aa8470fSDarren Hart int nr_wake = 1;
1532aa8470fSDarren Hart int i = 0;
1542aa8470fSDarren Hart
1552aa8470fSDarren Hart info("Waker: waiting for waiters to block\n");
1562aa8470fSDarren Hart while (waiters_blocked.val < THREAD_MAX)
1572aa8470fSDarren Hart usleep(1000);
1582aa8470fSDarren Hart usleep(1000);
1592aa8470fSDarren Hart
1602aa8470fSDarren Hart info("Waker: Calling broadcast\n");
1612aa8470fSDarren Hart if (args->lock) {
1622aa8470fSDarren Hart info("Calling FUTEX_LOCK_PI on mutex=%x @ %p\n", f2, &f2);
1632aa8470fSDarren Hart futex_lock_pi(&f2, NULL, 0, FUTEX_PRIVATE_FLAG);
1642aa8470fSDarren Hart }
1652aa8470fSDarren Hart continue_requeue:
1662aa8470fSDarren Hart old_val = f1;
1672aa8470fSDarren Hart args->ret = futex_cmp_requeue_pi(&f1, old_val, &f2, nr_wake, nr_requeue,
1682aa8470fSDarren Hart FUTEX_PRIVATE_FLAG);
1692aa8470fSDarren Hart if (args->ret < 0) {
1702aa8470fSDarren Hart args->ret = RET_ERROR;
1712aa8470fSDarren Hart error("FUTEX_CMP_REQUEUE_PI failed\n", errno);
1722aa8470fSDarren Hart } else if (++i < MAX_WAKE_ITERS) {
1732aa8470fSDarren Hart task_count += args->ret;
1742aa8470fSDarren Hart if (task_count < THREAD_MAX - waiters_woken.val)
1752aa8470fSDarren Hart goto continue_requeue;
1762aa8470fSDarren Hart } else {
1772aa8470fSDarren Hart error("max broadcast iterations (%d) reached with %d/%d tasks woken or requeued\n",
1782aa8470fSDarren Hart 0, MAX_WAKE_ITERS, task_count, THREAD_MAX);
1792aa8470fSDarren Hart args->ret = RET_ERROR;
1802aa8470fSDarren Hart }
1812aa8470fSDarren Hart
1822aa8470fSDarren Hart futex_wake(&wake_complete, 1, FUTEX_PRIVATE_FLAG);
1832aa8470fSDarren Hart
1842aa8470fSDarren Hart if (args->lock)
1852aa8470fSDarren Hart futex_unlock_pi(&f2, FUTEX_PRIVATE_FLAG);
1862aa8470fSDarren Hart
1872aa8470fSDarren Hart if (args->ret > 0)
1882aa8470fSDarren Hart args->ret = task_count;
1892aa8470fSDarren Hart
1902aa8470fSDarren Hart info("Waker: exiting with %d\n", args->ret);
1912aa8470fSDarren Hart pthread_exit((void *)&args->ret);
1922aa8470fSDarren Hart }
1932aa8470fSDarren Hart
signal_wakerfn(void * arg)1942aa8470fSDarren Hart void *signal_wakerfn(void *arg)
1952aa8470fSDarren Hart {
1962aa8470fSDarren Hart struct thread_arg *args = (struct thread_arg *)arg;
1972aa8470fSDarren Hart unsigned int old_val;
1982aa8470fSDarren Hart int nr_requeue = 0;
1992aa8470fSDarren Hart int task_count = 0;
2002aa8470fSDarren Hart int nr_wake = 1;
2012aa8470fSDarren Hart int i = 0;
2022aa8470fSDarren Hart
2032aa8470fSDarren Hart info("Waker: waiting for waiters to block\n");
2042aa8470fSDarren Hart while (waiters_blocked.val < THREAD_MAX)
2052aa8470fSDarren Hart usleep(1000);
2062aa8470fSDarren Hart usleep(1000);
2072aa8470fSDarren Hart
2082aa8470fSDarren Hart while (task_count < THREAD_MAX && waiters_woken.val < THREAD_MAX) {
2092aa8470fSDarren Hart info("task_count: %d, waiters_woken: %d\n",
2102aa8470fSDarren Hart task_count, waiters_woken.val);
2112aa8470fSDarren Hart if (args->lock) {
2122aa8470fSDarren Hart info("Calling FUTEX_LOCK_PI on mutex=%x @ %p\n",
2132aa8470fSDarren Hart f2, &f2);
2142aa8470fSDarren Hart futex_lock_pi(&f2, NULL, 0, FUTEX_PRIVATE_FLAG);
2152aa8470fSDarren Hart }
2162aa8470fSDarren Hart info("Waker: Calling signal\n");
2172aa8470fSDarren Hart /* cond_signal */
2182aa8470fSDarren Hart old_val = f1;
2192aa8470fSDarren Hart args->ret = futex_cmp_requeue_pi(&f1, old_val, &f2,
2202aa8470fSDarren Hart nr_wake, nr_requeue,
2212aa8470fSDarren Hart FUTEX_PRIVATE_FLAG);
2222aa8470fSDarren Hart if (args->ret < 0)
2232aa8470fSDarren Hart args->ret = -errno;
2242aa8470fSDarren Hart info("futex: %x\n", f2);
2252aa8470fSDarren Hart if (args->lock) {
2262aa8470fSDarren Hart info("Calling FUTEX_UNLOCK_PI on mutex=%x @ %p\n",
2272aa8470fSDarren Hart f2, &f2);
2282aa8470fSDarren Hart futex_unlock_pi(&f2, FUTEX_PRIVATE_FLAG);
2292aa8470fSDarren Hart }
2302aa8470fSDarren Hart info("futex: %x\n", f2);
2312aa8470fSDarren Hart if (args->ret < 0) {
2322aa8470fSDarren Hart error("FUTEX_CMP_REQUEUE_PI failed\n", errno);
2332aa8470fSDarren Hart args->ret = RET_ERROR;
2342aa8470fSDarren Hart break;
2352aa8470fSDarren Hart }
2362aa8470fSDarren Hart
2372aa8470fSDarren Hart task_count += args->ret;
2382aa8470fSDarren Hart usleep(SIGNAL_PERIOD_US);
2392aa8470fSDarren Hart i++;
2402aa8470fSDarren Hart /* we have to loop at least THREAD_MAX times */
2412aa8470fSDarren Hart if (i > MAX_WAKE_ITERS + THREAD_MAX) {
2422aa8470fSDarren Hart error("max signaling iterations (%d) reached, giving up on pending waiters.\n",
2432aa8470fSDarren Hart 0, MAX_WAKE_ITERS + THREAD_MAX);
2442aa8470fSDarren Hart args->ret = RET_ERROR;
2452aa8470fSDarren Hart break;
2462aa8470fSDarren Hart }
2472aa8470fSDarren Hart }
2482aa8470fSDarren Hart
2492aa8470fSDarren Hart futex_wake(&wake_complete, 1, FUTEX_PRIVATE_FLAG);
2502aa8470fSDarren Hart
2512aa8470fSDarren Hart if (args->ret >= 0)
2522aa8470fSDarren Hart args->ret = task_count;
2532aa8470fSDarren Hart
2542aa8470fSDarren Hart info("Waker: exiting with %d\n", args->ret);
2552aa8470fSDarren Hart info("Waker: waiters_woken: %d\n", waiters_woken.val);
2562aa8470fSDarren Hart pthread_exit((void *)&args->ret);
2572aa8470fSDarren Hart }
2582aa8470fSDarren Hart
third_party_blocker(void * arg)2592aa8470fSDarren Hart void *third_party_blocker(void *arg)
2602aa8470fSDarren Hart {
2612aa8470fSDarren Hart struct thread_arg *args = (struct thread_arg *)arg;
2622aa8470fSDarren Hart int ret2 = 0;
2632aa8470fSDarren Hart
2642aa8470fSDarren Hart args->ret = futex_lock_pi(&f2, NULL, 0, FUTEX_PRIVATE_FLAG);
2652aa8470fSDarren Hart if (args->ret)
2662aa8470fSDarren Hart goto out;
2672aa8470fSDarren Hart args->ret = futex_wait(&wake_complete, wake_complete, NULL,
2682aa8470fSDarren Hart FUTEX_PRIVATE_FLAG);
2692aa8470fSDarren Hart ret2 = futex_unlock_pi(&f2, FUTEX_PRIVATE_FLAG);
2702aa8470fSDarren Hart
2712aa8470fSDarren Hart out:
2722aa8470fSDarren Hart if (args->ret || ret2) {
2732aa8470fSDarren Hart error("third_party_blocker() futex error", 0);
2742aa8470fSDarren Hart args->ret = RET_ERROR;
2752aa8470fSDarren Hart }
2762aa8470fSDarren Hart
2772aa8470fSDarren Hart pthread_exit((void *)&args->ret);
2782aa8470fSDarren Hart }
2792aa8470fSDarren Hart
unit_test(int broadcast,long lock,int third_party_owner,long timeout_ns)2802aa8470fSDarren Hart int unit_test(int broadcast, long lock, int third_party_owner, long timeout_ns)
2812aa8470fSDarren Hart {
2822aa8470fSDarren Hart void *(*wakerfn)(void *) = signal_wakerfn;
2832aa8470fSDarren Hart struct thread_arg blocker_arg = THREAD_ARG_INITIALIZER;
2842aa8470fSDarren Hart struct thread_arg waker_arg = THREAD_ARG_INITIALIZER;
2852aa8470fSDarren Hart pthread_t waiter[THREAD_MAX], waker, blocker;
2862aa8470fSDarren Hart struct timespec ts, *tsp = NULL;
2872aa8470fSDarren Hart struct thread_arg args[THREAD_MAX];
2882aa8470fSDarren Hart int *waiter_ret;
2892aa8470fSDarren Hart int i, ret = RET_PASS;
2902aa8470fSDarren Hart
2912aa8470fSDarren Hart if (timeout_ns) {
2922aa8470fSDarren Hart time_t secs;
2932aa8470fSDarren Hart
2942aa8470fSDarren Hart info("timeout_ns = %ld\n", timeout_ns);
2952aa8470fSDarren Hart ret = clock_gettime(CLOCK_MONOTONIC, &ts);
2962aa8470fSDarren Hart secs = (ts.tv_nsec + timeout_ns) / 1000000000;
2972aa8470fSDarren Hart ts.tv_nsec = ((int64_t)ts.tv_nsec + timeout_ns) % 1000000000;
2982aa8470fSDarren Hart ts.tv_sec += secs;
2992aa8470fSDarren Hart info("ts.tv_sec = %ld\n", ts.tv_sec);
3002aa8470fSDarren Hart info("ts.tv_nsec = %ld\n", ts.tv_nsec);
3012aa8470fSDarren Hart tsp = &ts;
3022aa8470fSDarren Hart }
3032aa8470fSDarren Hart
3042aa8470fSDarren Hart if (broadcast)
3052aa8470fSDarren Hart wakerfn = broadcast_wakerfn;
3062aa8470fSDarren Hart
3072aa8470fSDarren Hart if (third_party_owner) {
3082aa8470fSDarren Hart if (create_rt_thread(&blocker, third_party_blocker,
3092aa8470fSDarren Hart (void *)&blocker_arg, SCHED_FIFO, 1)) {
3102aa8470fSDarren Hart error("Creating third party blocker thread failed\n",
3112aa8470fSDarren Hart errno);
3122aa8470fSDarren Hart ret = RET_ERROR;
3132aa8470fSDarren Hart goto out;
3142aa8470fSDarren Hart }
3152aa8470fSDarren Hart }
3162aa8470fSDarren Hart
3172aa8470fSDarren Hart atomic_set(&waiters_woken, 0);
3182aa8470fSDarren Hart for (i = 0; i < THREAD_MAX; i++) {
3192aa8470fSDarren Hart args[i].id = i;
3202aa8470fSDarren Hart args[i].timeout = tsp;
3212aa8470fSDarren Hart info("Starting thread %d\n", i);
3222aa8470fSDarren Hart if (create_rt_thread(&waiter[i], waiterfn, (void *)&args[i],
3232aa8470fSDarren Hart SCHED_FIFO, 1)) {
3242aa8470fSDarren Hart error("Creating waiting thread failed\n", errno);
3252aa8470fSDarren Hart ret = RET_ERROR;
3262aa8470fSDarren Hart goto out;
3272aa8470fSDarren Hart }
3282aa8470fSDarren Hart }
3292aa8470fSDarren Hart waker_arg.lock = lock;
3302aa8470fSDarren Hart if (create_rt_thread(&waker, wakerfn, (void *)&waker_arg,
3312aa8470fSDarren Hart SCHED_FIFO, 1)) {
3322aa8470fSDarren Hart error("Creating waker thread failed\n", errno);
3332aa8470fSDarren Hart ret = RET_ERROR;
3342aa8470fSDarren Hart goto out;
3352aa8470fSDarren Hart }
3362aa8470fSDarren Hart
3372aa8470fSDarren Hart /* Wait for threads to finish */
3382aa8470fSDarren Hart /* Store the first error or failure encountered in waiter_ret */
3392aa8470fSDarren Hart waiter_ret = &args[0].ret;
3402aa8470fSDarren Hart for (i = 0; i < THREAD_MAX; i++)
3412aa8470fSDarren Hart pthread_join(waiter[i],
3422aa8470fSDarren Hart *waiter_ret ? NULL : (void **)&waiter_ret);
3432aa8470fSDarren Hart
3442aa8470fSDarren Hart if (third_party_owner)
3452aa8470fSDarren Hart pthread_join(blocker, NULL);
3462aa8470fSDarren Hart pthread_join(waker, NULL);
3472aa8470fSDarren Hart
3482aa8470fSDarren Hart out:
3492aa8470fSDarren Hart if (!ret) {
3502aa8470fSDarren Hart if (*waiter_ret)
3512aa8470fSDarren Hart ret = *waiter_ret;
3522aa8470fSDarren Hart else if (waker_arg.ret < 0)
3532aa8470fSDarren Hart ret = waker_arg.ret;
3542aa8470fSDarren Hart else if (blocker_arg.ret)
3552aa8470fSDarren Hart ret = blocker_arg.ret;
3562aa8470fSDarren Hart }
3572aa8470fSDarren Hart
3582aa8470fSDarren Hart return ret;
3592aa8470fSDarren Hart }
3602aa8470fSDarren Hart
main(int argc,char * argv[])3612aa8470fSDarren Hart int main(int argc, char *argv[])
3622aa8470fSDarren Hart {
363*4bf15b1cSJohn Hubbard char *test_name;
3642aa8470fSDarren Hart int c, ret;
3652aa8470fSDarren Hart
3662aa8470fSDarren Hart while ((c = getopt(argc, argv, "bchlot:v:")) != -1) {
3672aa8470fSDarren Hart switch (c) {
3682aa8470fSDarren Hart case 'b':
3692aa8470fSDarren Hart broadcast = 1;
3702aa8470fSDarren Hart break;
3712aa8470fSDarren Hart case 'c':
3722aa8470fSDarren Hart log_color(1);
3732aa8470fSDarren Hart break;
3742aa8470fSDarren Hart case 'h':
3752aa8470fSDarren Hart usage(basename(argv[0]));
3762aa8470fSDarren Hart exit(0);
3772aa8470fSDarren Hart case 'l':
3782aa8470fSDarren Hart locked = 1;
3792aa8470fSDarren Hart break;
3802aa8470fSDarren Hart case 'o':
3812aa8470fSDarren Hart owner = 1;
3822aa8470fSDarren Hart locked = 0;
3832aa8470fSDarren Hart break;
3842aa8470fSDarren Hart case 't':
3852aa8470fSDarren Hart timeout_ns = atoi(optarg);
3862aa8470fSDarren Hart break;
3872aa8470fSDarren Hart case 'v':
3882aa8470fSDarren Hart log_verbosity(atoi(optarg));
3892aa8470fSDarren Hart break;
3902aa8470fSDarren Hart default:
3912aa8470fSDarren Hart usage(basename(argv[0]));
3922aa8470fSDarren Hart exit(1);
3932aa8470fSDarren Hart }
3942aa8470fSDarren Hart }
3952aa8470fSDarren Hart
396b274e75cSShuah Khan ksft_print_header();
3975821ba96SKees Cook ksft_set_plan(1);
398b274e75cSShuah Khan ksft_print_msg("%s: Test requeue functionality\n", basename(argv[0]));
399b274e75cSShuah Khan ksft_print_msg(
400b274e75cSShuah Khan "\tArguments: broadcast=%d locked=%d owner=%d timeout=%ldns\n",
4012aa8470fSDarren Hart broadcast, locked, owner, timeout_ns);
4022aa8470fSDarren Hart
403f17d8a87SMark Brown ret = asprintf(&test_name,
404f17d8a87SMark Brown "%s broadcast=%d locked=%d owner=%d timeout=%ldns",
405f17d8a87SMark Brown TEST_NAME, broadcast, locked, owner, timeout_ns);
406f17d8a87SMark Brown if (ret < 0) {
407f17d8a87SMark Brown ksft_print_msg("Failed to generate test name\n");
408f17d8a87SMark Brown test_name = TEST_NAME;
409f17d8a87SMark Brown }
410f17d8a87SMark Brown
4112aa8470fSDarren Hart /*
4122aa8470fSDarren Hart * FIXME: unit_test is obsolete now that we parse options and the
4132aa8470fSDarren Hart * various style of runs are done by run.sh - simplify the code and move
4142aa8470fSDarren Hart * unit_test into main()
4152aa8470fSDarren Hart */
4162aa8470fSDarren Hart ret = unit_test(broadcast, locked, owner, timeout_ns);
4172aa8470fSDarren Hart
418f17d8a87SMark Brown print_result(test_name, ret);
4192aa8470fSDarren Hart return ret;
4202aa8470fSDarren Hart }
421