[LTP] [PATCH 8/9] mem: shmt09: Convert to new API
Ricardo B. Marlière
rbm@suse.com
Fri Jun 27 18:48:03 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/shmt09.c | 210 +++++++++----------------------------
2 files changed, 48 insertions(+), 163 deletions(-)
diff --git a/testcases/kernel/mem/shmt/Makefile b/testcases/kernel/mem/shmt/Makefile
index ef34f23e6cdf33ef0e6817d6ab23d30535255945..7fe4e75b567367e6c4b0978dec831ca268e99567 100644
--- a/testcases/kernel/mem/shmt/Makefile
+++ b/testcases/kernel/mem/shmt/Makefile
@@ -32,5 +32,6 @@ shmt04: LTPLDLIBS = -lltpnewipc
shmt05: LTPLDLIBS = -lltpnewipc
shmt07: LTPLDLIBS = -lltpnewipc
shmt08: LTPLDLIBS = -lltpnewipc
+shmt09: LTPLDLIBS = -lltpnewipc
include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/mem/shmt/shmt09.c b/testcases/kernel/mem/shmt/shmt09.c
index 347244115909536bad568ec8394a95c46b69889c..fb40498e6a62a0b85d08a9f589f392f7726746d9 100644
--- a/testcases/kernel/mem/shmt/shmt09.c
+++ b/testcases/kernel/mem/shmt/shmt09.c
@@ -1,199 +1,83 @@
+// 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
- * shmt09
- *
- * CALLS
- * sbrk(2) shmctl(2) shmget(2)
- *
- * ALGORITHM
+/*\
* Create a shared memory segment and attach at the default address.
* Increase the size of the data segment.
* Attach at an address that is less than the break value: should FAIL.
* decrease the size of the data segment.
* Attach at 4K past the break value: should SUCCEED.
* Sbrk() past the attached segment: should FAIL.
- *
*/
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
#include <sys/shm.h>
-#include <errno.h>
-#include <unistd.h>
-#define K_1 1024
+#include "tst_test.h"
+#include "tst_safe_sysv_ipc.h"
+#include "libnewipc.h"
+#include "tst_test_macros.h"
-#define SHMBYTES (SHMLBA - 1)
+#define SHMSIZE 16
+#define SHMBYTES (SHMLBA - 1)
#define SHMALIGN(p) (((unsigned long)(p) + SHMBYTES) & ~SHMBYTES)
-/** LTP Port **/
-#include "test.h"
-
-char *TCID = "shmt09"; /* Test program identifier. */
-int TST_TOTAL = 4; /* Total number of test cases. */
-/**************/
-
#ifdef __ia64__
-#define INCREMENT 8388608 /* 8Mb */
-#elif defined (__mips__) || defined (__hppa__) || defined (__sparc__)
-#define INCREMENT 262144 /* 256Kb */
-#elif defined __sh__ || defined (__arm__) || defined(__aarch64__)
-#define INCREMENT 16384 /* 16kb */
+#define INCREMENT 8388608 /* 8Mb */
+#elif defined(__mips__) || defined(__hppa__) || defined(__sparc__)
+#define INCREMENT 262144 /* 256Kb */
+#elif defined __sh__ || defined(__arm__) || defined(__aarch64__)
+#define INCREMENT 16384 /* 16kb */
#else
-#define INCREMENT SHMLBA
+#define INCREMENT SHMLBA
#endif
-static int rm_shm(int);
-
-int main(void)
+static void run(void)
{
- char *c1 = NULL, *c2 = NULL, *c3 = NULL;
void *vp;
int shmid;
key_t key;
- key = (key_t) getpid();
-
-/*-----------------------------------------------------------*/
-
- if ((unsigned long)sbrk(16384) >= (-4095UL)) {
- perror("sbrk");
- tst_brkm(TFAIL, NULL, "Error: sbrk failed, errno = %d",
- errno);
- }
-
- if ((unsigned long)sbrk(-4097) >= (-4095UL)) {
- perror("sbrk");
- tst_brkm(TFAIL, NULL, "Error: sbrk failed, errno = %d",
- errno);
- }
-
- if ((shmid = shmget(key, 10 * K_1, IPC_CREAT | 0666)) < 0) {
- perror("shmget");
- tst_brkm(TFAIL,
- NULL,
- "Error: shmget Failed, shmid = %d, errno = %d",
- shmid, errno);
- }
-
- c1 = shmat(shmid, NULL, 0);
- if (c1 == (char *)-1) {
- perror("shmat");
- tst_resm(TFAIL,
- "Error: shmat Failed, shmid = %d, errno = %d",
- shmid, errno);
- rm_shm(shmid);
- tst_exit();
- }
-
- tst_resm(TPASS, "sbrk, sbrk, shmget, shmat");
-
-/*--------------------------------------------------------*/
-
- if ((unsigned long)sbrk(32 * K_1) >= (-4095UL)) {
- perror("sbrk");
- tst_resm(TFAIL, "Error: sbrk failed, errno = %d", errno);
- rm_shm(shmid);
- tst_exit();
- }
- vp = (void *)((char *)sbrk(0) - 2 * K_1);
- c2 = shmat(shmid, vp, 0);
- if (c2 != (char *)-1) {
- tst_resm(TFAIL,
- "ERROR: shmat: succeeded!: shmid = %d, shmaddr = %p, "
- "att_addr = %p", shmid, c2, vp);
- rm_shm(shmid);
- tst_exit();
- }
-
- tst_resm(TPASS, "sbrk, shmat");
-
-/*---------------------------------------------------------*/
-
- if ((unsigned long)sbrk(-16000) >= (-4095UL)) {
- perror("sbrk");
- tst_resm(TFAIL, "Error: sbrk failed, errno = %d", errno);
- rm_shm(shmid);
- tst_exit();
- }
+ key = GETIPCKEY();
+
+ if ((unsigned long)sbrk(16384) >= (-4095UL))
+ tst_brk(TFAIL, "Error: sbrk failed, errno = %d", errno);
+
+ if ((unsigned long)sbrk(-4097) >= (-4095UL))
+ tst_brk(TFAIL, "Error: sbrk failed, errno = %d", errno);
+
+ shmid = SAFE_SHMGET(key, 10 * SHMSIZE, IPC_CREAT | 0666);
+ SAFE_SHMAT(shmid, NULL, 0);
+
+ if ((unsigned long)sbrk(32 * SHMSIZE) >= (-4095UL))
+ tst_brk(TFAIL, "Error: sbrk failed, errno = %d", errno);
+
+ vp = (void *)((char *)sbrk(0) - 2 * SHMSIZE);
+ TST_EXP_FAIL((long)shmat(shmid, vp, 0), EINVAL);
+
+ if ((unsigned long)sbrk(-16000) >= (-4095UL))
+ tst_brk(TFAIL, "Error: sbrk failed, errno = %d", errno);
+
#ifdef __mips__
- vp = (void *)((char *)sbrk(0) + 256 * K_1);
-#elif defined(__powerpc__) || defined(__powerpc64__)
+ vp = (void *)((char *)sbrk(0) + 256 * SHMSIZE);
+#elif defined(__powerpc__) || defined(__powerpc64__)
vp = (void *)((char *)sbrk(0) + getpagesize());
#else
/* SHM_RND rounds vp on the nearest multiple of SHMLBA */
vp = (void *)SHMALIGN((char *)sbrk(0) + 1);
#endif
- c3 = shmat(shmid, vp, SHM_RND);
- if (c3 == (char *)-1) {
- perror("shmat1");
- tst_resm(TFAIL,
- "Error: shmat Failed, shmid = %d, errno = %d",
- shmid, errno);
- rm_shm(shmid);
- tst_exit();
- }
-
- tst_resm(TPASS, "sbrk, shmat");
-
-/*--------------------------------------------------------*/
-#if defined (__ia64__) || defined(__mips__) || defined(__hppa__) || defined(__arm__) || defined(__aarch64__)
- while ((vp = sbrk(INCREMENT)) != (void *)-1) ;
- if (errno != ENOMEM) {
- tst_resm(TFAIL, "Error: sbrk failed, errno = %d", errno);
- rm_shm(shmid);
- tst_exit();
- }
-#else
- if ((vp = sbrk(INCREMENT)) != (void *)-1) {
- tst_resm(TFAIL,
- "Error: sbrk succeeded! ret = %p, curbrk = %p, ",
- vp, sbrk(0));
- rm_shm(shmid);
- tst_exit();
- }
-#endif
-
- tst_resm(TPASS, "sbrk");
+ SAFE_SHMAT(shmid, vp, SHM_RND);
-/*------------------------------------------------------*/
+ TST_EXP_FAIL((long)sbrk(INCREMENT), ENOMEM);
- 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,
+};
--
2.50.0
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