[LTP] [PATCH 6/9] mem: shmt07: Convert to new API
Ricardo B. Marlière
rbm@suse.com
Fri Jun 27 18:48:01 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/shmt07.c | 137 ++++++++-----------------------------
2 files changed, 28 insertions(+), 110 deletions(-)
diff --git a/testcases/kernel/mem/shmt/Makefile b/testcases/kernel/mem/shmt/Makefile
index 3414eadc996d45799c19f98568641189c5fc60e3..2cd640a300e53c2dd2cccbe14701577987d0e10b 100644
--- a/testcases/kernel/mem/shmt/Makefile
+++ b/testcases/kernel/mem/shmt/Makefile
@@ -30,5 +30,6 @@ shmt02: LTPLDLIBS = -lltpnewipc
shmt03: LTPLDLIBS = -lltpnewipc
shmt04: LTPLDLIBS = -lltpnewipc
shmt05: LTPLDLIBS = -lltpnewipc
+shmt07: LTPLDLIBS = -lltpnewipc
include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/mem/shmt/shmt07.c b/testcases/kernel/mem/shmt/shmt07.c
index 064343f5d827d3470353771df42d37006a2c8779..b6dd234b8bafbed7ec399e2654f1f5d59a54e9e7 100644
--- a/testcases/kernel/mem/shmt/shmt07.c
+++ b/testcases/kernel/mem/shmt/shmt07.c
@@ -1,131 +1,48 @@
+// 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
- * shmt07
- *
- * CALLS
- * shmctl(2) shmget(2) shmat(2)
- *
- * ALGORITHM
+/*\
* Create and attach a shared memory segment, write to it
* and then fork a child. The child verifies that the shared memory segment
* that it inherited from the parent contains the same data that was originally
* written to it by the parent.
- *
*/
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <sys/utsname.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#define SIZE 16*1024
+#include "tst_test.h"
+#include "tst_safe_sysv_ipc.h"
+#include "tst_rand_data.h"
+#include "libnewipc.h"
-/** LTP Port **/
-#include "test.h"
+#define SHMSIZE 16
-char *TCID = "shmt07"; /* Test program identifier. */
-int TST_TOTAL = 2; /* Total number of test cases. */
-/**************/
+#include "tst_test.h"
-int child();
-static int rm_shm(int);
-
-int main(void)
+static void run(void)
{
- char *cp = NULL;
- int shmid, pid, status;
+ char *cp;
+ int shmid;
key_t key;
- key = (key_t) getpid();
-
-/*---------------------------------------------------------*/
-
- errno = 0;
-
- if ((shmid = shmget(key, SIZE, IPC_CREAT | 0666)) < 0) {
- perror("shmget");
- tst_brkm(TFAIL, NULL,
- "Error: shmget: shmid = %d, errno = %d",
- shmid, errno);
- }
- cp = shmat(shmid, NULL, 0);
-
- if (cp == (char *)-1) {
- perror("shmat");
- tst_resm(TFAIL,
- "Error: shmat: shmid = %d, errno = %d",
- shmid, errno);
- rm_shm(shmid);
- tst_exit();
- }
-
- *cp = '1';
- *(cp + 1) = '2';
-
- tst_resm(TPASS, "shmget,shmat");
+ key = GETIPCKEY();
-/*-------------------------------------------------------*/
+ shmid = SAFE_SHMGET(key, SHMSIZE, IPC_CREAT | 0666);
+ cp = SAFE_SHMAT(shmid, NULL, 0);
+ memcpy(cp, tst_rand_data, SHMSIZE);
- pid = fork();
- switch (pid) {
- case -1:
- tst_brkm(TBROK, NULL, "fork failed");
-
- case 0:
- if (*cp != '1') {
- tst_resm(TFAIL, "Error: not 1");
- }
- if (*(cp + 1) != '2') {
- tst_resm(TFAIL, "Error: not 2");
- }
- tst_exit();
+ if (!SAFE_FORK()) {
+ TST_EXP_EQ_LI(memcmp(cp, tst_rand_data, SHMSIZE), 0);
+ return;
}
- /* parent */
- while (wait(&status) < 0 && errno == EINTR) ;
-
- tst_resm(TPASS, "cp & cp+1 correct");
-
-/*-----------------------------------------------------------*/
- rm_shm(shmid);
- tst_exit();
+ SAFE_SHMCTL(shmid, 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",
- shmid, errno);
- }
- return (0);
-}
+static struct tst_test test = {
+ .test_all = run,
+ .forks_child = 1,
+};
--
2.50.0
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