69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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*/
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/*
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* HISTORY
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* 03/2001 - Written by Wayne Boyer
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*/
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/*\
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* [Description]
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*
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* Test for semctl() ERANGE error
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*/
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#include "tst_safe_sysv_ipc.h"
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#include "tst_test.h"
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#include "lapi/sem.h"
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#include "libnewipc.h"
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static int sem_id = -1;
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#define BIGV 65535 /* a number ((2^16)-1) that should be larger */
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/* than the maximum for a semaphore value */
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unsigned short big_arr[] = { BIGV, BIGV, BIGV, BIGV, BIGV, BIGV, BIGV, BIGV,
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BIGV, BIGV
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};
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static struct tcases {
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int count;
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int cmd;
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union semun t_arg;
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char *message;
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} tests[] = {
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{5, SETVAL, {.val = -1}, "the value to set is less than zero"},
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{0, SETALL, {.array = big_arr}, "the value to set are too large"},
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{5, SETVAL, {.val = BIGV}, "the value to set is too large"}
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};
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static void verify_semctl(unsigned int n)
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{
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struct tcases *tc = &tests[n];
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TST_EXP_FAIL(semctl(sem_id, tc->count, tc->cmd, tc->t_arg), ERANGE,
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"semctl() with %s", tc->message);
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}
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static void setup(void)
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{
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static key_t semkey;
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semkey = GETIPCKEY();
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sem_id = SAFE_SEMGET(semkey, PSEMS, IPC_CREAT | IPC_EXCL | SEM_RA);
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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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SAFE_SEMCTL(sem_id, 0, IPC_RMID);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test = verify_semctl,
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.tcnt = ARRAY_SIZE(tests),
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};
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