[LTP] [PATCH 5/9] mem: shmt06: Remove in favor of shmt04

Ricardo B. Marlière rbm@suse.com
Fri Jun 27 18:48:00 CEST 2025


From: Ricardo B. Marlière <rbm@suse.com>

The shmt06 is almost a duplicate of shmt04, simply add its requirement and
delete it.

Signed-off-by: Ricardo B. Marlière <rbm@suse.com>
---
 runtest/mm                         |   1 -
 testcases/kernel/mem/.gitignore    |   1 -
 testcases/kernel/mem/shmt/shmt04.c |   6 +
 testcases/kernel/mem/shmt/shmt06.c | 220 -------------------------------------
 4 files changed, 6 insertions(+), 222 deletions(-)

diff --git a/runtest/mm b/runtest/mm
index 5566a77425c6c6e426115b9cfd68b383009dbbb1..41d624ad86fc354cc1284bbcee192420a93fa93a 100644
--- a/runtest/mm
+++ b/runtest/mm
@@ -28,7 +28,6 @@ shmt02 shmt02
 shmt03 shmt03
 shmt04 shmt04
 shmt05 shmt05
-shmt06 shmt06
 shmt07 shmt07
 shmt08 shmt08
 shmt09 shmt09
diff --git a/testcases/kernel/mem/.gitignore b/testcases/kernel/mem/.gitignore
index e24e96001731a694cf7d6083af36e31f1ac72ed1..b4455de51d6d6a9cc3d8b7ff392fc3ea9e95890a 100644
--- a/testcases/kernel/mem/.gitignore
+++ b/testcases/kernel/mem/.gitignore
@@ -89,7 +89,6 @@
 /shmt/shmt03
 /shmt/shmt04
 /shmt/shmt05
-/shmt/shmt06
 /shmt/shmt07
 /shmt/shmt08
 /shmt/shmt09
diff --git a/testcases/kernel/mem/shmt/shmt04.c b/testcases/kernel/mem/shmt/shmt04.c
index 83c12a6fe287d7feabd1fbec5a33f17886ba1c13..bda235de621ee8f00d882b4d0526b724cb6b7383 100644
--- a/testcases/kernel/mem/shmt/shmt04.c
+++ b/testcases/kernel/mem/shmt/shmt04.c
@@ -35,6 +35,12 @@ static void run(void)
 		shmid = SAFE_SHMGET(key, SHMSIZE, IPC_CREAT | 0666);
 		cp = SAFE_SHMAT(shmid, NULL, 0);
 		TST_EXP_EQ_LI(memcmp(cp, tst_rand_data, SHMSIZE), 0);
+		/*
+		 * Attach the segment to a different address
+		 * and verify it's contents again.
+		 */
+		cp = SAFE_SHMAT(shmid, NULL, 0);
+		TST_EXP_EQ_LI(memcmp(cp, tst_rand_data, SHMSIZE), 0);
 		SAFE_SHMCTL(shmid, IPC_RMID, NULL);
 		return;
 	}
diff --git a/testcases/kernel/mem/shmt/shmt06.c b/testcases/kernel/mem/shmt/shmt06.c
deleted file mode 100644
index e88ac45c98cd01a5643ab996a7a2f9eb73eb7e9d..0000000000000000000000000000000000000000
--- a/testcases/kernel/mem/shmt/shmt06.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- *
- *   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
- */
-
-/* 12/20/2002   Port to LTP     robbiew@us.ibm.com */
-/* 06/30/2001   Port to Linux   nsharoff@us.ibm.com */
-
-/*
- * NAME
- *	shmt06
- *
- * CALLS
- *	shmctl(2) shmget(2) shmat(2)
- *
- * ALGORITHM
- * Parent process forks a child. Child pauses until parent has created
- * a shared memory segment, attached to it and written to it too. At that
- * time child gets the shared memory segment id, attaches to it at two
- * different addresses than the parents and verifies that their contents
- * are the same as the contents of the parent attached segment.
- *
- */
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <sys/utsname.h>
-#include <signal.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#define		SIZE		16*1024
-
-/** LTP Port **/
-#include "test.h"
-
-char *TCID = "shmt06";		/* Test program identifier.    */
-int TST_TOTAL = 2;		/* Total number of test cases. */
-/**************/
-
-key_t key;
-sigset_t set;
-
-int child();
-static int rm_shm(int);
-
-int main(void)
-{
-	char *cp = NULL;
-	int pid, pid1, shmid;
-	int status;
-
-	key = (key_t) getpid();
-
-	sigemptyset(&set);
-	sigaddset(&set, SIGUSR1);
-	sigprocmask(SIG_BLOCK, &set, NULL);
-
-	pid = fork();
-	switch (pid) {
-	case -1:
-		tst_brkm(TBROK, NULL, "fork failed");
-	case 0:
-		child();
-	}
-
-/*------------------------------------------------------*/
-
-	if ((shmid = shmget(key, SIZE, IPC_CREAT | 0666)) < 0) {
-		perror("shmget");
-		tst_resm(TFAIL, "Error: shmget: shmid = %d, errno = %d",
-			 shmid, errno);
-		/*
-		 * kill the child if parent failed to do the attach
-		 */
-		(void)kill(pid, SIGINT);
-	} else {
-		cp = shmat(shmid, NULL, 0);
-
-		if (cp == (char *)-1) {
-			perror("shmat");
-			tst_resm(TFAIL,
-				 "Error: shmat: shmid = %d, errno = %d",
-				 shmid, errno);
-
-			/* kill the child if parent failed to do the attch */
-
-			kill(pid, SIGINT);
-
-			/* remove shared memory segment */
-
-			rm_shm(shmid);
-
-			tst_exit();
-		}
-		*cp = 'A';
-		*(cp + 1) = 'B';
-		*(cp + 2) = 'C';
-
-		kill(pid, SIGUSR1);
-		while ((pid1 = wait(&status)) < 0 && (errno == EINTR)) ;
-		if (pid1 != pid) {
-			tst_resm(TFAIL, "Waited on the wrong child");
-			tst_resm(TFAIL,
-				 "Error: wait_status = %d, pid1= %d", status,
-				 pid1);
-		}
-	}
-
-	tst_resm(TPASS, "shmget,shmat");
-
-/*---------------------------------------------------------------*/
-
-	if (shmdt(cp) < 0) {
-		tst_resm(TFAIL, "shmdt");
-	}
-
-	tst_resm(TPASS, "shmdt");
-
-/*-------------------------------------------------------------*/
-
-	rm_shm(shmid);
-	tst_exit();
-}
-
-int child(void)
-{
-	int shmid, chld_pid;
-	char *cp;
-	int sig;
-
-	sigwait(&set, &sig);
-	chld_pid = getpid();
-
-	if ((shmid = shmget(key, SIZE, 0)) < 0) {
-		perror("shmget:child process");
-		tst_resm(TFAIL,
-			 "Error: shmget: errno=%d, shmid=%d, child_pid=%d",
-			 errno, shmid, chld_pid);
-	} else {
-		cp = shmat(shmid, NULL, 0);
-
-		if (cp == (char *)-1) {
-			perror("shmat:child process");
-			tst_resm(TFAIL,
-				 "Error: shmat: errno=%d, shmid=%d, child_pid=%d",
-				 errno, shmid, chld_pid);
-		} else {
-			if (*cp != 'A') {
-				tst_resm(TFAIL, "child: not A");
-			}
-			if (*(cp + 1) != 'B') {
-				tst_resm(TFAIL, "child: not B");
-			}
-			if (*(cp + 2) != 'C') {
-				tst_resm(TFAIL, "child: not C");
-			}
-			if (*(cp + 8192) != 0) {
-				tst_resm(TFAIL, "child: not 0");
-			}
-		}
-
-		/*
-		 * Attach the segment to a different addresse
-		 * and verify it's contents again.
-		 */
-		cp = shmat(shmid, NULL, 0);
-
-		if (cp == (char *)-1) {
-			perror("shmat:child process");
-			tst_resm(TFAIL,
-				 "Error: shmat: errno=%d, shmid=%d, child_pid=%d",
-				 errno, shmid, chld_pid);
-		} else {
-			if (*cp != 'A') {
-				tst_resm(TFAIL, "child: not A");
-			}
-			if (*(cp + 1) != 'B') {
-				tst_resm(TFAIL, "child: not B");
-			}
-			if (*(cp + 2) != 'C') {
-				tst_resm(TFAIL, "child: not C");
-			}
-			if (*(cp + 8192) != 0) {
-				tst_resm(TFAIL, "child: not 0");
-			}
-		}
-	}
-	tst_exit();
-}
-
-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);
-}

-- 
2.50.0



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