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 6f08c3bdfSopenharmony_ci/*\ 7f08c3bdfSopenharmony_ci * [Description] 8f08c3bdfSopenharmony_ci * 9f08c3bdfSopenharmony_ci * Cross verify the _high fields being set to 0 by the kernel. 10f08c3bdfSopenharmony_ci */ 11f08c3bdfSopenharmony_ci 12f08c3bdfSopenharmony_ci#include <sys/shm.h> 13f08c3bdfSopenharmony_ci#include "lapi/shmbuf.h" 14f08c3bdfSopenharmony_ci#include "libnewipc.h" 15f08c3bdfSopenharmony_ci#include "tst_test.h" 16f08c3bdfSopenharmony_ci#include "tst_safe_sysv_ipc.h" 17f08c3bdfSopenharmony_ci 18f08c3bdfSopenharmony_ci#ifdef HAVE_SHMID64_DS_TIME_HIGH 19f08c3bdfSopenharmony_ci 20f08c3bdfSopenharmony_cistatic void run(void) 21f08c3bdfSopenharmony_ci{ 22f08c3bdfSopenharmony_ci struct shmid64_ds buf_ds = { 23f08c3bdfSopenharmony_ci .shm_atime_high = 0x0A0A, 24f08c3bdfSopenharmony_ci .shm_dtime_high = 0x0A0A, 25f08c3bdfSopenharmony_ci .shm_ctime_high = 0x0A0A, 26f08c3bdfSopenharmony_ci }; 27f08c3bdfSopenharmony_ci int shmid; 28f08c3bdfSopenharmony_ci key_t key; 29f08c3bdfSopenharmony_ci 30f08c3bdfSopenharmony_ci /* get an IPC resource key */ 31f08c3bdfSopenharmony_ci key = GETIPCKEY(); 32f08c3bdfSopenharmony_ci 33f08c3bdfSopenharmony_ci shmid = shmget(key, SHM_SIZE, IPC_CREAT | IPC_EXCL | SHM_RW); 34f08c3bdfSopenharmony_ci if (shmid == -1) 35f08c3bdfSopenharmony_ci tst_brk(TBROK | TERRNO, "couldn't create shared memory segment"); 36f08c3bdfSopenharmony_ci 37f08c3bdfSopenharmony_ci TEST(shmctl(shmid, IPC_STAT, (struct shmid_ds *)&buf_ds)); 38f08c3bdfSopenharmony_ci if (TST_RET == -1) 39f08c3bdfSopenharmony_ci tst_brk(TFAIL | TTERRNO, "shmctl() failed"); 40f08c3bdfSopenharmony_ci 41f08c3bdfSopenharmony_ci if (buf_ds.shm_atime_high || buf_ds.shm_dtime_high || buf_ds.shm_ctime_high) 42f08c3bdfSopenharmony_ci tst_res(TFAIL, "time_high fields aren't cleared by the kernel"); 43f08c3bdfSopenharmony_ci else 44f08c3bdfSopenharmony_ci tst_res(TPASS, "time_high fields cleared by the kernel"); 45f08c3bdfSopenharmony_ci 46f08c3bdfSopenharmony_ci SAFE_SHMCTL(shmid, IPC_RMID, NULL); 47f08c3bdfSopenharmony_ci} 48f08c3bdfSopenharmony_ci 49f08c3bdfSopenharmony_cistatic struct tst_test test = { 50f08c3bdfSopenharmony_ci .test_all = run, 51f08c3bdfSopenharmony_ci .needs_tmpdir = 1, 52f08c3bdfSopenharmony_ci}; 53f08c3bdfSopenharmony_ci#else 54f08c3bdfSopenharmony_ciTST_TEST_TCONF("test requires struct shmid64_ds to have the time_high fields"); 55f08c3bdfSopenharmony_ci#endif 56