[LTP] [RFC PATCH 09/13] mm/hugeshmdt: convert to new API
Li Wang
liwang@redhat.com
Tue Mar 28 05:22:35 CEST 2017
Signed-off-by: Li Wang <liwang@redhat.com>
---
.../kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c | 122 ++++++++-------------
1 file changed, 46 insertions(+), 76 deletions(-)
diff --git a/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c b/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c
index 0ebcca6..dbcb905 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmdt/hugeshmdt01.c
@@ -1,26 +1,19 @@
/*
+ * Copyright (c) International Business Machines Corp., 2004
+ * Copyright (c) Linux Test Project, 2004-2017
*
- * Copyright (c) International Business Machines Corp., 2004
+ * 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 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
+ * 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.
*/
/*
- * NAME
- * hugeshmdt01.c
- *
* DESCRIPTION
* hugeshmdt01 - check that largr shared memory is detached correctly
*
@@ -41,29 +34,14 @@
* issue a FAIL message
* call cleanup
*
- * USAGE: <for command-line>
- * hugeshmdt01 [-c n] [-f] [-i n] [-I x] [-P x] [-t]
- * where, -c n : Run n copies concurrently.
- * -f : Turn off functionality Testing.
- * -I x : Execute test for x seconds.
- * -P x : Pause for x seconds between iterations.
- * -t : Turn on syscall timing.
- *
* HISTORY
* 03/2001 - Written by Wayne Boyer
* 04/2004 - Updated by Robbie Williamson
- *
- * RESTRICTIONS
- * none
*/
#include <setjmp.h>
-#include "hugetlb.h"
-#include "safe_macros.h"
#include "mem.h"
-
-char *TCID = "hugeshmdt01";
-int TST_TOTAL = 1;
+#include "hugetlb.h"
static size_t shm_size;
static int shm_id_1 = -1;
@@ -73,54 +51,43 @@ static int pass;
static sigjmp_buf env;
static long hugepages = 128;
-static option_t options[] = {
- {"s:", &sflag, &nr_opt},
+static struct tst_option options[] = {
+ {"s:", &nr_opt, "-s num Set the number of the been allocated hugepages"},
{NULL, NULL, NULL}
};
static void check_functionality(void);
static void sighandler(int sig);
-int main(int ac, char **av)
+static void hugeshmdt_test(void)
{
- int lc;
-
- tst_parse_opts(ac, av, options, NULL);
-
- if (sflag)
- hugepages = SAFE_STRTOL(NULL, nr_opt, 0, LONG_MAX);
+ struct sigaction sa;
- setup();
+ sa.sa_handler = sighandler;
+ sigaction(SIGSEGV, &sa, NULL);
- for (lc = 0; TEST_LOOPING(lc); lc++) {
- tst_count = 0;
-
- if (shmdt(shared) == -1) {
- tst_resm(TFAIL | TERRNO, "shmdt");
- } else {
- check_functionality();
- }
+ if (shmdt(shared) == -1)
+ tst_res(TFAIL | TERRNO, "shmdt");
+ else
+ check_functionality();
- /* reattach the shared memory segment in case we are looping */
- shared = shmat(shm_id_1, 0, 0);
- if (shared == (void *)-1)
- tst_brkm(TBROK | TERRNO, cleanup, "shmat #2: reattach");
+ /* reattach the shared memory segment in case we are looping */
+ shared = shmat(shm_id_1, 0, 0);
+ if (shared == (void *)-1)
+ tst_brk(TBROK | TERRNO, "shmat #2: reattach");
- /* also reset pass */
- pass = 0;
- }
- cleanup();
- tst_exit();
+ /* also reset pass */
+ pass = 0;
}
static void check_functionality(void)
{
/* stat the shared memory segment */
if (shmctl(shm_id_1, IPC_STAT, &buf) == -1)
- tst_brkm(TBROK | TERRNO, cleanup, "shmctl");
+ tst_brk(TBROK | TERRNO, "shmctl");
if (buf.shm_nattch != 0) {
- tst_resm(TFAIL, "# of attaches is incorrect");
+ tst_res(TFAIL, "# of attaches is incorrect");
return;
}
@@ -142,9 +109,9 @@ static void check_functionality(void)
*shared = 2;
if (pass)
- tst_resm(TPASS, "huge shared memory detached correctly");
+ tst_res(TPASS, "huge shared memory detached correctly");
else
- tst_resm(TFAIL, "huge shared memory was not detached "
+ tst_res(TFAIL, "huge shared memory was not detached "
"correctly");
}
@@ -156,7 +123,7 @@ static void sighandler(int sig)
pass = 1;
siglongjmp(env, 1);
} else {
- tst_brkm(TBROK, cleanup, "unexpected signal received: %d", sig);
+ tst_brk(TBROK, "unexpected signal received: %d", sig);
}
}
@@ -164,10 +131,9 @@ void setup(void)
{
long hpage_size;
- tst_require_root();
check_hugepage();
- tst_sig(NOFORK, sighandler, cleanup);
- tst_tmpdir();
+ if (nr_opt)
+ hugepages = SAFE_STRTOL(nr_opt, 0, LONG_MAX);
orig_hugepages = get_sys_tune("nr_hugepages");
set_sys_tune("nr_hugepages", hugepages, 1);
@@ -175,30 +141,34 @@ void setup(void)
shm_size = hpage_size * hugepages / 2;
update_shm_size(&shm_size);
- shmkey = getipckey(cleanup);
+ shmkey = getipckey();
/* create a shared memory resource with read and write permissions */
shm_id_1 = shmget(shmkey, shm_size,
SHM_HUGETLB | SHM_RW | IPC_CREAT | IPC_EXCL);
if (shm_id_1 == -1)
- tst_brkm(TBROK | TERRNO, cleanup, "shmget");
+ tst_brk(TBROK | TERRNO, "shmget");
/* attach the shared memory segment */
shared = shmat(shm_id_1, 0, 0);
if (shared == (void *)-1)
- tst_brkm(TBROK | TERRNO, cleanup, "shmat #1");
+ tst_brk(TBROK | TERRNO, "shmat #1");
/* give a value to the shared memory integer */
*shared = 4;
-
- TEST_PAUSE;
}
void cleanup(void)
{
rm_shm(shm_id_1);
-
set_sys_tune("nr_hugepages", orig_hugepages, 0);
-
- tst_rmdir();
}
+
+static struct tst_test test = {
+ .tid = "hugeshmdt01",
+ .needs_root = 1,
+ .options = options,
+ .setup = setup,
+ .cleanup = cleanup,
+ .test_all = hugeshmdt_test,
+};
--
2.9.3
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