1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org> 4f08c3bdfSopenharmony_ci * 5f08c3bdfSopenharmony_ci * Description: 6f08c3bdfSopenharmony_ci * Cross verify the _high fields being set to 0 by the kernel. 7f08c3bdfSopenharmony_ci */ 8f08c3bdfSopenharmony_ci#include "lapi/sembuf.h" 9f08c3bdfSopenharmony_ci#include "lapi/sem.h" 10f08c3bdfSopenharmony_ci#include "tst_test.h" 11f08c3bdfSopenharmony_ci#include "libnewipc.h" 12f08c3bdfSopenharmony_ci 13f08c3bdfSopenharmony_ci#ifdef HAVE_SEMID64_DS_TIME_HIGH 14f08c3bdfSopenharmony_ci 15f08c3bdfSopenharmony_cistatic void run(void) 16f08c3bdfSopenharmony_ci{ 17f08c3bdfSopenharmony_ci struct semid64_ds buf_ds = { 18f08c3bdfSopenharmony_ci .sem_otime_high = 0x0A0A, 19f08c3bdfSopenharmony_ci .sem_ctime_high = 0x0A0A, 20f08c3bdfSopenharmony_ci }; 21f08c3bdfSopenharmony_ci int semid; 22f08c3bdfSopenharmony_ci union semun arg; 23f08c3bdfSopenharmony_ci key_t key; 24f08c3bdfSopenharmony_ci 25f08c3bdfSopenharmony_ci /* get an IPC resource key */ 26f08c3bdfSopenharmony_ci key = GETIPCKEY(); 27f08c3bdfSopenharmony_ci 28f08c3bdfSopenharmony_ci semid = semget(key, 1, SEM_RA | IPC_CREAT); 29f08c3bdfSopenharmony_ci if (semid == -1) 30f08c3bdfSopenharmony_ci tst_brk(TBROK | TERRNO, "couldn't create semaphore"); 31f08c3bdfSopenharmony_ci 32f08c3bdfSopenharmony_ci arg.buf = (struct semid_ds *)&buf_ds; 33f08c3bdfSopenharmony_ci TEST(semctl(semid, 0, IPC_STAT, arg)); 34f08c3bdfSopenharmony_ci if (TST_RET == -1) 35f08c3bdfSopenharmony_ci tst_brk(TFAIL | TTERRNO, "semctl() failed"); 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_ci if (buf_ds.sem_otime_high || buf_ds.sem_ctime_high) 38f08c3bdfSopenharmony_ci tst_res(TFAIL, "time_high fields aren't cleared by the kernel"); 39f08c3bdfSopenharmony_ci else 40f08c3bdfSopenharmony_ci tst_res(TPASS, "time_high fields cleared by the kernel"); 41f08c3bdfSopenharmony_ci 42f08c3bdfSopenharmony_ci if (semctl(semid, 0, IPC_RMID, arg) == -1) 43f08c3bdfSopenharmony_ci tst_res(TINFO, "WARNING: semaphore deletion failed."); 44f08c3bdfSopenharmony_ci} 45f08c3bdfSopenharmony_ci 46f08c3bdfSopenharmony_cistatic struct tst_test test = { 47f08c3bdfSopenharmony_ci .test_all = run, 48f08c3bdfSopenharmony_ci .needs_tmpdir = 1, 49f08c3bdfSopenharmony_ci}; 50f08c3bdfSopenharmony_ci#else 51f08c3bdfSopenharmony_ciTST_TEST_TCONF("test requires struct semid64_ds to have the time_high fields"); 52f08c3bdfSopenharmony_ci#endif 53