107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Test that semop() basic functionality is correct
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*
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* Copyright (c) International Business Machines Corp., 2001
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* 03/2001 - Written by Wayne Boyer
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* 17/01/02 - Modified. Manoj Iyer, IBM Austin. TX. manjo@austin.ibm.com
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*/
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#include <stdlib.h>
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#include "tst_test.h"
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#include "libnewipc.h"
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#include "lapi/sem.h"
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#include "semop.h"
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#define NSEMS 4
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static int sem_id = -1;
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static key_t semkey;
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static unsigned short int sarr[PSEMS];
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static union semun get_arr = {.array = sarr};
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static struct sembuf sops[PSEMS];
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static struct tst_ts timeout;
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static struct test_case_t {
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struct tst_ts *to;
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} tc[] = {
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{NULL},
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{&timeout}
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};
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static void run(unsigned int n)
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{
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struct time64_variants *tv = &variants[tst_variant];
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union semun arr = { .val = 0 };
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int fail = 0;
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int i;
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TEST(call_semop(tv, sem_id, sops, NSEMS, tst_ts_get(tc[n].to)));
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if (TST_RET == -1) {
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tst_res(TFAIL | TTERRNO, "semop() failed");
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return;
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}
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if (semctl(sem_id, 0, GETALL, get_arr) == -1)
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tst_brk(TBROK | TERRNO, "semctl(%i, 0, GETALL, ...)", sem_id);
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for (i = 0; i < NSEMS; i++) {
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if (get_arr.array[i] != i * i) {
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fail = 1;
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}
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}
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if (fail)
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tst_res(TFAIL, "semaphore values are wrong");
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else
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tst_res(TPASS, "semaphore values are correct");
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for (i = 0; i < NSEMS; i++) {
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if (semctl(sem_id, i, SETVAL, arr) == -1)
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tst_brk(TBROK | TERRNO, "semctl(%i, %i, SETVAL, ...)", sem_id, i);
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}
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}
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static void setup(void)
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{
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struct time64_variants *tv = &variants[tst_variant];
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int i;
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tst_res(TINFO, "Testing variant: %s", tv->desc);
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semop_supported_by_kernel(tv);
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timeout.type = tv->ts_type;
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tst_ts_set_sec(&timeout, 0);
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tst_ts_set_nsec(&timeout, 10000);
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semkey = GETIPCKEY();
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sem_id = semget(semkey, PSEMS, IPC_CREAT | IPC_EXCL | SEM_RA);
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if (sem_id == -1)
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tst_brk(TBROK | TERRNO, "couldn't create semaphore in setup");
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for (i = 0; i < NSEMS; i++) {
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sops[i].sem_num = i;
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sops[i].sem_op = i * i;
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sops[i].sem_flg = SEM_UNDO;
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}
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}
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static void cleanup(void)
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{
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if (sem_id != -1) {
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if (semctl(sem_id, 0, IPC_RMID) == -1)
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tst_res(TWARN, "semaphore deletion failed.");
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}
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}
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static struct tst_test test = {
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.test = run,
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.tcnt = ARRAY_SIZE(tc),
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.test_variants = ARRAY_SIZE(variants),
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.setup = setup,
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.cleanup = cleanup,
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.needs_tmpdir = 1,
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};
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