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/*
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <sys/ipc.h>
#include <sys/sem.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "xlat.h"
#include "xlat/semop_flags.h"
union semun {
int val;
struct semid_ds *buf;
unsigned short *array;
struct seminfo *__buf;
};
static int id = -1;
static void
cleanup(void)
{
semctl(id, 0, IPC_RMID, 0);
id = -1;
}
int
main(void)
{
static const int bogus_semid = 0xfdb97531;
static void * const bogus_sops = (void *) -1L;
static const size_t bogus_nsops = (size_t) 0xdefaceddeadbeefULL;
TAIL_ALLOC_OBJECT_CONST_PTR(struct timespec, ts);
int rc;
id = semget(IPC_PRIVATE, 1, 0600);
if (id < 0)
perror_msg_and_skip("semget");
atexit(cleanup);
union semun sem_union = { .val = 0 };
if (semctl(id, 0, SETVAL, sem_union) == -1)
perror_msg_and_skip("semctl");
TAIL_ALLOC_OBJECT_CONST_PTR(struct sembuf, sem_b);
TAIL_ALLOC_OBJECT_CONST_PTR(struct sembuf, sem_b2);
rc = semop(bogus_semid, NULL, bogus_nsops);
printf("semop(%d, NULL, %u) = %s\n",
bogus_semid, (unsigned) bogus_nsops, sprintrc(rc));
rc = semop(bogus_semid, bogus_sops, 1);
printf("semop(%d, %p, %u) = %s\n",
bogus_semid, bogus_sops, 1, sprintrc(rc));
sem_b->sem_num = 0;
sem_b->sem_op = 1;
sem_b->sem_flg = SEM_UNDO;
sem_b2->sem_num = 0xface;
sem_b2->sem_op = 0xf00d;
sem_b2->sem_flg = 0xbeef;
rc = semop(bogus_semid, sem_b2, 2);
printf("semop(%d, [{%hu, %hd, %s%s%#hx}, ... /* %p */], %u) = %s\n",
bogus_semid, sem_b2->sem_num, sem_b2->sem_op,
sem_b2->sem_flg & SEM_UNDO ? "SEM_UNDO|" : "",
sem_b2->sem_flg & IPC_NOWAIT ? "IPC_NOWAIT|" : "",
(short) (sem_b2->sem_flg & ~(SEM_UNDO | IPC_NOWAIT)),
sem_b2 + 1, 2, sprintrc(rc));
if (semop(id, sem_b, 1))
perror_msg_and_skip("semop, 1");
printf("semop(%d, [{0, 1, SEM_UNDO}], 1) = 0\n", id);
sem_b->sem_op = -1;
if (semop(id, sem_b, 1))
perror_msg_and_skip("semop, -1");
printf("semop(%d, [{0, -1, SEM_UNDO}], 1) = 0\n", id);
rc = semtimedop(bogus_semid, NULL, bogus_nsops, NULL);
printf("semtimedop(%d, NULL, %u, NULL) = %s\n",
bogus_semid, (unsigned) bogus_nsops, sprintrc(rc));
rc = semtimedop(id, sem_b + 1, 1, ts + 1);
printf("semtimedop(%d, %p, 1, %p) = %s\n",
id, sem_b + 1, ts + 1, sprintrc(rc));
ts->tv_sec = 1;
ts->tv_nsec = 123456789;
rc = semtimedop(bogus_semid, sem_b2, 2, ts);
printf("semtimedop(%d, [{%hu, %hd, %s%s%#hx}, ... /* %p */], %u"
", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
bogus_semid, sem_b2->sem_num, sem_b2->sem_op,
sem_b2->sem_flg & SEM_UNDO ? "SEM_UNDO|" : "",
sem_b2->sem_flg & IPC_NOWAIT ? "IPC_NOWAIT|" : "",
(short) (sem_b2->sem_flg & ~(SEM_UNDO | IPC_NOWAIT)),
sem_b2 + 1, 2,
(long long) ts->tv_sec, zero_extend_signed_to_ull(ts->tv_nsec),
sprintrc(rc));
sem_b->sem_op = 1;
if (semtimedop(id, sem_b, 1, NULL))
perror_msg_and_skip("semtimedop, 1");
printf("semtimedop(%d, [{0, 1, SEM_UNDO}], 1, NULL) = 0\n", id);
sem_b->sem_op = -1;
if (semtimedop(id, sem_b, 1, ts))
perror_msg_and_skip("semtimedop, -1");
printf("semtimedop(%d, [{0, -1, SEM_UNDO}], 1"
", {tv_sec=%lld, tv_nsec=%llu}) = 0\n", id,
(long long) ts->tv_sec, zero_extend_signed_to_ull(ts->tv_nsec));
sem_b->sem_op = 1;
ts->tv_sec = 0xdeadbeefU;
ts->tv_nsec = 0xfacefeedU;
rc = semtimedop(id, sem_b, 1, ts);
printf("semtimedop(%d, [{0, 1, SEM_UNDO}], 1"
", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
id, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
sem_b->sem_op = -1;
ts->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
ts->tv_nsec = (long) 0xbadc0dedfacefeedLL;
rc = semtimedop(id, sem_b, 1, ts);
printf("semtimedop(%d, [{0, -1, SEM_UNDO}], 1"
", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
id, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
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