[LTP] [PATCH 4/9] mem: shmt05: Convert to new API
Ricardo B. Marlière
rbm@suse.com
Fri Jun 27 18:47:59 CEST 2025
From: Ricardo B. Marlière <rbm@suse.com>
Signed-off-by: Ricardo B. Marlière <rbm@suse.com>
---
testcases/kernel/mem/shmt/Makefile | 1 +
testcases/kernel/mem/shmt/shmt05.c | 131 +++++++------------------------------
2 files changed, 25 insertions(+), 107 deletions(-)
diff --git a/testcases/kernel/mem/shmt/Makefile b/testcases/kernel/mem/shmt/Makefile
index e8317a8ae642b0f69ac57288cb86a316ec09c88d..3414eadc996d45799c19f98568641189c5fc60e3 100644
--- a/testcases/kernel/mem/shmt/Makefile
+++ b/testcases/kernel/mem/shmt/Makefile
@@ -29,5 +29,6 @@ include $(top_srcdir)/include/mk/testcases.mk
shmt02: LTPLDLIBS = -lltpnewipc
shmt03: LTPLDLIBS = -lltpnewipc
shmt04: LTPLDLIBS = -lltpnewipc
+shmt05: LTPLDLIBS = -lltpnewipc
include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/mem/shmt/shmt05.c b/testcases/kernel/mem/shmt/shmt05.c
index 430db20cd8d0745b0bf5a81b3601e29edc02a84c..e8b5d9eb53c5a5e56e550640fd1debf223573b84 100644
--- a/testcases/kernel/mem/shmt/shmt05.c
+++ b/testcases/kernel/mem/shmt/shmt05.c
@@ -1,126 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
- *
- * Copyright (c) International Business Machines Corp., 2002
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Copyright (c) International Business Machines Corp., 2002
+ * 12/20/2002 Port to LTP robbiew@us.ibm.com
+ * 06/30/2001 Port to Linux nsharoff@us.ibm.com
+ * Copyright (c) 2025 SUSE LLC Ricardo B. Marlière <rbm@suse.com>
*/
-/* 12/20/2002 Port to LTP robbiew@us.ibm.com */
-/* 06/30/2001 Port to Linux nsharoff@us.ibm.com */
-
-/*
- * NAME
- * shmt05
- *
- * CALLS
- * shmctl(2) shmget(2) shmat(2)
- *
- * ALGORITHM
+/*\
* Create two shared memory segments and attach them to the same process
* at two different addresses. The addresses DO BUMP into each other.
* The second attach should Fail.
- *
*/
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
+#include "tst_test.h"
+#include "tst_safe_sysv_ipc.h"
+#include "libnewipc.h"
#include <sys/shm.h>
-#include <sys/utsname.h>
-#include <errno.h>
-#include <time.h>
-
-/** LTP Port **/
-#include "test.h"
-
-char *TCID = "shmt05"; /* Test program identifier. */
-int TST_TOTAL = 2; /* Total number of test cases. */
-/**************/
-key_t key[2];
+#define SHMSIZE 16
-#define SIZE (2*SHMLBA)
-
-static int rm_shm(int);
-
-int main(void)
+static void run(void)
{
int shmid, shmid1;
- char *cp, *cp1;
-
- srand48((getpid() << 16) + (unsigned)time(NULL));
-
- key[0] = (key_t) lrand48();
- key[1] = (key_t) lrand48();
+ char *cp;
+ key_t key[2];
- cp = NULL;
- cp1 = NULL;
+ key[0] = GETIPCKEY();
+ key[1] = GETIPCKEY();
-/*--------------------------------------------------------*/
+ shmid = SAFE_SHMGET(key[0], SHMSIZE, IPC_CREAT | 0666);
+ cp = SAFE_SHMAT(shmid, NULL, 0);
- if ((shmid = shmget(key[0], SIZE, IPC_CREAT | 0666)) < 0) {
- perror("shmget");
- tst_resm(TFAIL,
- "Error: shmget: shmid = %d, errno = %d\n",
- shmid, errno);
- } else {
- cp = shmat(shmid, NULL, 0);
+ shmid1 = SAFE_SHMGET(key[1], SHMSIZE, IPC_CREAT | 0666);
+ TST_EXP_FAIL((long)shmat(shmid, cp + (SHMSIZE / 2), 0), EINVAL);
- if (cp == (char *)-1) {
- tst_resm(TFAIL, "shmat");
- rm_shm(shmid);
- }
- }
-
- tst_resm(TPASS, "shmget & shmat");
-
-/*--------------------------------------------------------*/
-
- if ((shmid1 = shmget(key[1], SIZE, IPC_CREAT | 0666)) < 0) {
- perror("shmget2");
- tst_resm(TFAIL,
- "Error: shmget: shmid1 = %d, errno = %d\n",
- shmid1, errno);
- } else {
- cp1 = shmat(shmid1, cp + (SIZE / 2), 0);
- if (cp1 != (char *)-1) {
- perror("shmat");
- tst_resm(TFAIL,
- "Error: shmat: shmid1 = %d, addr= %p, errno = %d\n",
- shmid1, cp1, errno);
- } else {
- tst_resm(TPASS, "2nd shmget & shmat");
- }
- }
-
-/*------------------------------------------------------*/
-
- rm_shm(shmid);
- rm_shm(shmid1);
-
- tst_exit();
+ SAFE_SHMCTL(shmid, IPC_RMID, NULL);
+ SAFE_SHMCTL(shmid1, IPC_RMID, NULL);
}
-static int rm_shm(int shmid)
-{
- if (shmctl(shmid, IPC_RMID, NULL) == -1) {
- perror("shmctl");
- tst_brkm(TFAIL,
- NULL,
- "shmctl Failed to remove: shmid = %d, errno = %d\n",
- shmid, errno);
- }
- return (0);
-}
+static struct tst_test test = {
+ .test_all = run,
+};
--
2.50.0
More information about the ltp
mailing list