[LTP] [PATCH v3 2/2] syscalls/mq_open: fix old tests + convert to use new API
Petr Vorel
pvorel@suse.cz
Sat Dec 10 21:29:09 CET 2016
Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
Hope it's not too complicated. cleanup(void) doesn't use any SAFE_* function, that's why they're two functions.
---
testcases/kernel/syscalls/mq_open/mq_open01.c | 626 ++++++++++----------------
testcases/kernel/syscalls/utils/common_j_h.c | 107 -----
testcases/kernel/syscalls/utils/include_j_h.h | 6 -
3 files changed, 238 insertions(+), 501 deletions(-)
diff --git a/testcases/kernel/syscalls/mq_open/mq_open01.c b/testcases/kernel/syscalls/mq_open/mq_open01.c
index 1ab818535..5fd140985 100644
--- a/testcases/kernel/syscalls/mq_open/mq_open01.c
+++ b/testcases/kernel/syscalls/mq_open/mq_open01.c
@@ -1,129 +1,43 @@
-/******************************************************************************/
-/* Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd */
-/* Author(s): Takahiro Yasui <takahiro.yasui.mp@hitachi.com>, */
-/* Yumiko Sugita <yumiko.sugita.yf@hitachi.com>, */
-/* Satoshi Fujiwara <sa-fuji@sdl.hitachi.co.jp> */
-/* */
-/* 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 */
-/* */
-/******************************************************************************/
-/******************************************************************************/
-/* */
-/* File: mq_open01.c */
-/* */
-/* Description: This tests the mq_open() syscall */
-/* */
-/* */
-/* */
-/* */
-/* */
-/* */
-/* Usage: <for command-line> */
-/* mq_open01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */
-/* where, -c n : Run n copies concurrently. */
-/* -e : Turn on errno logging. */
-/* -i n : Execute test n times. */
-/* -I x : Execute test for x seconds. */
-/* -P x : Pause for x seconds between iterations. */
-/* -t : Turn on syscall timing. */
-/* */
-/* Total Tests: 1 */
-/* */
-/* Test Name: mq_open01 */
-/* History: Porting from Crackerjack to LTP is done by */
-/* Manas Kumar Nayak maknayak@in.ibm.com> */
-/******************************************************************************/
-#include <sys/syscall.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-#include <getopt.h>
-#include <stdlib.h>
+/*
+ * Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd
+ * Author(s): Takahiro Yasui <takahiro.yasui.mp@hitachi.com>,
+ * Yumiko Sugita <yumiko.sugita.yf@hitachi.com>,
+ * Satoshi Fujiwara <sa-fuji@sdl.hitachi.co.jp>
+ * Copyright (c) 2016 Linux Test Project
+ *
+ * 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 would 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 the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
#include <errno.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
#include <mqueue.h>
-#include <limits.h>
-
-#include "../utils/include_j_h.h"
-#include "../utils/common_j_h.c"
-
-#include "test.h"
-#include "linux_syscall_numbers.h"
-
-char *TCID = "mq_open01";
-int testno;
-int TST_TOTAL = 1;
-
-/* Extern Global Functions */
-/******************************************************************************/
-/* */
-/* Function: cleanup */
-/* */
-/* Description: Performs all one time clean up for this test on successful */
-/* completion, premature exit or failure. Closes all temporary */
-/* files, removes all temporary directories exits the test with */
-/* appropriate return code by calling tst_exit() function. */
-/* */
-/* Input: None. */
-/* */
-/* Output: None. */
-/* */
-/* Return: On failure - Exits calling tst_exit(). Non '0' return code. */
-/* On success - Exits calling tst_exit(). With '0' return code. */
-/* */
-/******************************************************************************/
-void cleanup(void)
-{
+#include <pwd.h>
- tst_rmdir();
-}
+#include "tst_safe_file_ops.h"
+#include "tst_test.h"
-/* Local Functions */
-/******************************************************************************/
-/* */
-/* Function: setup */
-/* */
-/* Description: Performs all one time setup for this test. This function is */
-/* typically used to capture signals, create temporary dirs */
-/* and temporary files that may be used in the course of this */
-/* test. */
-/* */
-/* Input: None. */
-/* */
-/* Output: None. */
-/* */
-/* Return: On failure - Exits by calling cleanup(). */
-/* On success - returns 0. */
-/* */
-/******************************************************************************/
-void setup(void)
-{
- tst_require_root();
+#define QUEUE_NAME "/test_mqueue"
- /* Capture signals if any */
- /* Create temporary directories */
- TEST_PAUSE;
- tst_tmpdir();
-}
+static uid_t euid;
+static struct passwd *pw;
+static char *qname;
+static struct rlimit rlim;
-/*
- * Macros
- */
-#define SYSCALL_NAME "mq_open"
+static int fd1;
+static int fd2;
+static int oldlim;
+static int max_queues;
enum test_type {
NORMAL,
@@ -131,307 +45,243 @@ enum test_type {
NO_SPACE,
};
-/*
- * Data Structure
- */
+#define TYPE_NAME(x) .ttype = x, .desc = #x
struct test_case {
int ttype;
- char *user;
+ const char *desc;
+ int as_nobody;
char *qname;
int oflag;
- long mq_maxmsg; // Maximum numebr of messages.
- long mq_msgsize; // Maximum message size.
+ struct mq_attr rq;
int ret;
int err;
};
-#define ULIMIT_FNUM 0
+#define NOFILE_LIMIT 0
#define PROC_MAX_QUEUES "/proc/sys/fs/mqueue/queues_max"
-/* Test cases
- *
- * test status of errors on man page
- *
- * EACCES v (permission is denied)
- * EEXIST v (named message queue already exists)
- * EINTR --- (interrupted by a signal)
- * EINVAL v (not supported for the given name, or invalid
- * arguments)
- * EMFILE v (process file table overflow)
- * ENAMETOOLONG v (too long name length)
- * ENFILE can't check because it's difficult to create no-fd
- * ENOENT v (O_CREAT is not set and the named message queue
- * does not exist)
- * ENOSPC v (no space for the new message queue)
- */
-
static struct test_case tcase[] = {
-#if 1
- { // case00
- .ttype = NORMAL,
- .qname = QUEUE_NAME,
- .oflag = O_CREAT,
- .mq_maxmsg = 20,
- .mq_msgsize = 16384,
- .ret = 0,
- .err = 0,
- },
-#else
- { // case00
- .ttype = NORMAL,
- .qname = QUEUE_NAME,
- .oflag = O_CREAT,
- .ret = 0,
- .err = 0,
- },
- { // case01
- .ttype = NORMAL,
- // 0 1 2 3
- // 0123456789012345678901234567890123456789
- "aaaaaaaaaaaaaaa",
- .oflag = O_CREAT,
- .ret = 0,
- .err = 0,
- },
- { // case02
- .ttype = NORMAL,
- // 0 1 2 3
- // 0123456789012345678901234567890123456789
- "aaaaaaaaaaaaaaaa",
- .oflag = O_CREAT,
- .ret = -1,
- .err = ENAMETOOLONG,
- },
-
- { // case03
- .ttype = NORMAL,
- .qname = "",
- .oflag = O_CREAT,
- .ret = -1,
- .err = EINVAL,
- },
- { // case04
- .ttype = NORMAL,
- .user = "nobody",
- .qname = QUEUE_NAME,
- .ret = -1,
- .err = EACCES,
- },
- { // case05
- .ttype = NORMAL,
- .qname = QUEUE_NAME,
- .oflag = O_CREAT | O_EXCL,
- .ret = -1,
- .err = EEXIST,
- },
- { // case06
- .ttype = NO_FILE,
- .qname = QUEUE_NAME,
- .oflag = O_CREAT,
- .ret = -1,
- .err = EMFILE,
- },
- { // case07
- .ttype = NORMAL,
- .qname = "/notexist",
- .oflag = 0,
- .ret = -1,
- .err = ENOENT,
- },
-
- { // case08
- .ttype = NO_SPACE,
- .user = "nobody",
- .qname = QUEUE_NAME,
- .oflag = O_CREAT,
- .ret = -1,
- .err = ENOSPC,
- },
-#endif
+ {
+ TYPE_NAME(NORMAL),
+ .qname = QUEUE_NAME,
+ .oflag = O_CREAT,
+ .rq = (struct mq_attr) {.mq_maxmsg = 20, .mq_msgsize = 16384},
+ .ret = 0,
+ .err = 0,
+ },
+ {
+ TYPE_NAME(NORMAL),
+ .qname = QUEUE_NAME,
+ .oflag = O_CREAT,
+ .ret = 0,
+ .err = 0,
+ },
+ {
+ TYPE_NAME(NORMAL),
+ .qname = "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaa",
+ .oflag = O_CREAT,
+ .ret = 0,
+ .err = 0,
+ },
+ {
+ TYPE_NAME(NORMAL),
+ .qname = "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
+ "aaaaaaaaaaaaaaaa",
+ .oflag = O_CREAT,
+ .ret = -1,
+ .err = ENAMETOOLONG,
+ },
+
+ {
+ TYPE_NAME(NORMAL),
+ .qname = "",
+ .oflag = O_CREAT,
+ .ret = -1,
+ .err = EINVAL,
+ },
+ {
+ TYPE_NAME(NORMAL),
+ .as_nobody = 1,
+ .qname = QUEUE_NAME,
+ .ret = -1,
+ .err = EACCES,
+ },
+ {
+ TYPE_NAME(NORMAL),
+ .qname = QUEUE_NAME,
+ .oflag = O_CREAT | O_EXCL,
+ .ret = -1,
+ .err = EEXIST,
+ },
+ {
+ TYPE_NAME(NO_FILE),
+ .qname = QUEUE_NAME,
+ .oflag = O_CREAT,
+ .ret = -1,
+ .err = EMFILE,
+ },
+ {
+ TYPE_NAME(NORMAL),
+ .qname = "/notexist",
+ .oflag = 0,
+ .ret = -1,
+ .err = ENOENT,
+ },
+ {
+ TYPE_NAME(NO_SPACE),
+ .as_nobody = 1,
+ .qname = QUEUE_NAME,
+ .oflag = O_CREAT,
+ .ret = -1,
+ .err = ENOSPC,
+ }
};
-/*
- * do_test()
- *
- * Input : TestCase Data
- * Return : RESULT_OK(0), RESULT_NG(1)
- *
- */
-
-static int do_test(struct test_case *tc)
+static void setup(void)
{
- int sys_ret;
- int sys_errno;
- int result = RESULT_OK;
- int rc, fd1 = -1, fd2 = -1, cmp_ok = 1;
- uid_t old_uid = -1;
- rlim_t oldlim = -1;
- int oldval = -1;
- struct mq_attr new, old, *p_attr;
-
- /*
- * When test ended with SIGTERM etc, mq descriptor is left remains.
- * So we delete it first.
- */
- TEST(mq_unlink(QUEUE_NAME));
+ euid = geteuid();
+ pw = SAFE_GETPWNAM("nobody");
+}
- /*
- * Execute system call
- */
+static void setup_n(unsigned int i)
+{
+ struct test_case *tc = &tcase[i];
- if (tc->ttype != NO_SPACE && !(tc->oflag & O_CREAT)) {
- errno = 0;
- TEST(sys_ret =
- mq_open(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR, S_IRWXU,
- NULL));
- sys_errno = errno;
- if (sys_ret < 0)
- goto TEST_END;
- fd1 = sys_ret;
- }
if (tc->ttype == NO_FILE) {
- TEST(rc = setup_ulimit_fnum(ULIMIT_FNUM, &oldlim));
- if (rc < 0) {
- result = 1;
- goto EXIT;
+ SAFE_GETRLIMIT(RLIMIT_NOFILE, &rlim);
+ if (rlim.rlim_cur > NOFILE_LIMIT) {
+ oldlim = rlim.rlim_cur;
+ rlim.rlim_cur = NOFILE_LIMIT;
+ SAFE_SETRLIMIT(RLIMIT_NOFILE, &rlim);
}
}
- /*
- * Change /proc/sys/fs/mqueue/queues_max
- */
if (tc->ttype == NO_SPACE) {
- TEST(rc = setup_proc_fs(PROC_MAX_QUEUES, 0, &oldval));
- if (rc < 0) {
- result = 1;
- goto EXIT;
- }
+ SAFE_FILE_SCANF(PROC_MAX_QUEUES, "%d", &max_queues);
+ SAFE_FILE_PRINTF(PROC_MAX_QUEUES, "%d", 0);
}
- /*
- * Change effective user id
- */
- if (tc->user != NULL) {
- TEST(rc = setup_euid(tc->user, &old_uid));
- if (rc < 0) {
- result = 1;
- goto EXIT;
- }
+ if (tc->as_nobody)
+ SAFE_SETEUID(pw->pw_uid);
+}
+
+static void cleanup(void)
+{
+ if (max_queues != -1 && FILE_PRINTF(PROC_MAX_QUEUES, "%d", max_queues))
+ tst_res(TWARN | TERRNO, "restoring max_queues back to %d failed",
+ max_queues);
+
+ if (fd1 > 0)
+ close(fd1);
+ if (fd2 > 0)
+ close(fd2);
+
+ mq_unlink(QUEUE_NAME);
+ if (strcmp(qname, QUEUE_NAME) != 0)
+ mq_unlink(qname);
+}
+
+static void cleanup_n(unsigned int i)
+{
+ struct test_case *tc = &tcase[i];
+
+ if (tc->as_nobody)
+ SAFE_SETEUID(euid);
+
+ if (oldlim != -1) {
+ rlim.rlim_cur = oldlim;
+ SAFE_SETRLIMIT(RLIMIT_NOFILE, &rlim);
}
+ if (fd1 > 0)
+ SAFE_CLOSE(fd1);
+ if (fd2 > 0)
+ SAFE_CLOSE(fd2);
+
+ cleanup();
+}
+
+static void do_test(unsigned int i)
+{
+ struct test_case *tc = &tcase[i];
+ struct mq_attr oldattr;
+
+ qname = tc->qname;
+ max_queues = oldlim = fd1 = fd2 = -1;
+
+ tst_res(TINFO, "queue name \"%s\"", qname);
+
/*
- * Execute system call
+ * When test ended with SIGTERM etc, mq descriptor is left remains.
+ * So we delete it first.
*/
- //tst_resm(TINFO,"PATH_MAX: %d\n", PATH_MAX);
- //tst_resm(TINFO,"NAME_MAX: %d", NAME_MAX);
- p_attr = NULL;
- if (tc->mq_maxmsg || tc->mq_msgsize) {
- new.mq_maxmsg = tc->mq_maxmsg;
- new.mq_msgsize = tc->mq_msgsize;
- p_attr = &new;
+ mq_unlink(QUEUE_NAME);
+
+ if (tc->ttype != NO_SPACE &&
+ (!(tc->oflag & O_CREAT) || tc->oflag & O_EXCL)) {
+ TEST(fd1 = mq_open(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR,
+ S_IRWXU, NULL));
+ if (fd1 < 0)
+ goto TEST_END;
}
- errno = 0;
+
+ setup_n(i);
+
if (tc->oflag & O_CREAT)
- TEST(sys_ret = mq_open(tc->qname, tc->oflag, S_IRWXU, p_attr));
+ TEST(fd2 = mq_open(qname, tc->oflag, S_IRWXU,
+ tc->rq.mq_maxmsg || tc->rq.mq_msgsize ? &tc->rq : NULL));
else
- TEST(sys_ret = mq_open(tc->qname, tc->oflag));
- sys_errno = errno;
- if (sys_ret < 0)
- goto TEST_END;
- fd2 = sys_ret;
-
- if (p_attr) {
- TEST(rc = ltp_syscall(__NR_mq_getsetattr, fd2, NULL, &old));
- if (TEST_RETURN < 0) {
- tst_resm(TFAIL,
- "mq_getsetattr failed - errno = %d : %s",
- TEST_ERRNO, strerror(TEST_ERRNO));
- result = 1;
- goto EXIT;
+ TEST(fd2 = mq_open(qname, tc->oflag));
+
+ if (fd2 > 0 && (tc->rq.mq_maxmsg || tc->rq.mq_msgsize)) {
+ if (mq_getattr(fd2, &oldattr) < 0) {
+ tst_res(TFAIL | TERRNO, "mq_getattr failed");
+ cleanup_n(i);
+ return;
+ }
+
+ if (oldattr.mq_maxmsg != tc->rq.mq_maxmsg
+ || oldattr.mq_msgsize != tc->rq.mq_msgsize) {
+ tst_res(TFAIL | TERRNO, "wrong mq_attr: "
+ "mq_maxmsg expected %ld return %ld, "
+ "mq_msgsize expected %ld return %ld",
+ tc->rq.mq_maxmsg, oldattr.mq_maxmsg, tc->rq.mq_msgsize,
+ oldattr.mq_msgsize);
+ cleanup_n(i);
+ return;
}
- tst_resm(TINFO, "mq_maxmsg E:%ld,\tR:%ld", new.mq_maxmsg,
- old.mq_maxmsg);
- tst_resm(TINFO, "mq_msgsize E:%ld,\tR:%ld", new.mq_msgsize,
- old.mq_msgsize);
- cmp_ok = old.mq_maxmsg == new.mq_maxmsg
- && old.mq_msgsize == new.mq_msgsize;
}
TEST_END:
- /*
- * Check results
- */
- result |= (sys_errno != tc->err) || !cmp_ok;
- PRINT_RESULT_CMP(sys_ret >= 0, tc->ret, tc->err, sys_ret, sys_errno,
- cmp_ok);
-
-EXIT:
- if (tc->user != NULL && old_uid != -1)
- TEST(cleanup_euid(old_uid));
-
- if (tc->ttype == NO_SPACE && oldval != -1)
- TEST(cleanup_proc_fs(PROC_MAX_QUEUES, oldval));
-
- if (tc->ttype == NO_FILE && oldlim != -1)
- TEST(cleanup_ulimit_fnum(oldlim));
- if (fd1 >= 0)
- TEST(close(fd1));
- if (fd2 >= 0)
- TEST(close(fd2));
- if (fd1 >= 0)
- TEST(mq_unlink(QUEUE_NAME));
- if (fd2 >= 0 && strcmp(tc->qname, QUEUE_NAME) != 0)
- TEST(mq_unlink(tc->qname));
-
- return result;
-}
-
-/*
- * main()
- */
-
-int main(int ac, char **av)
-{
- int result = RESULT_OK;
- int i;
- int lc;
-
- tst_parse_opts(ac, av, NULL, NULL);
-
- setup();
-
- for (lc = 0; TEST_LOOPING(lc); ++lc) {
- tst_count = 0;
- for (testno = 0; testno < TST_TOTAL; ++testno) {
-
- /*
- * Execute test
- */
- for (i = 0; i < (int)ARRAY_SIZE(tcase); i++) {
- int ret;
- tst_resm(TINFO, "(case%02d) START", i);
- ret = do_test(&tcase[i]);
- tst_resm(TINFO, "(case%02d) END => %s", i,
- (ret == 0) ? "OK" : "NG");
- result |= ret;
- }
-
- /*
- * Check results
- */
- switch (result) {
- case RESULT_OK:
- tst_resm(TPASS, "mq_open call succeeded ");
- break;
-
- default:
- tst_brkm(TFAIL | TTERRNO, cleanup,
- "mq_open failed");
- break;
- }
-
- }
+ if (TEST_ERRNO != tc->err || (tc->ret < 0 && TEST_RETURN != tc->ret) ||
+ (tc->ret >= 0 && TEST_RETURN < 0)) {
+ tst_res(TFAIL | TTERRNO, "%s returned: %ld, "
+ "expected: %d, expected errno: %s (%d)", tc->desc,
+ TEST_RETURN, tc->ret, tst_strerrno(tc->err), tc->err);
+ } else {
+ tst_res(TPASS | TTERRNO, "%s returned: %ld", tc->desc,
+ TEST_RETURN);
}
- cleanup();
- tst_exit();
+
+ cleanup_n(i);
}
+
+static struct tst_test test = {
+ .tid = "mq_open01",
+ .tcnt = ARRAY_SIZE(tcase),
+ .test = do_test,
+ .needs_root = 1,
+ .setup = setup,
+ .cleanup = cleanup,
+};
diff --git a/testcases/kernel/syscalls/utils/common_j_h.c b/testcases/kernel/syscalls/utils/common_j_h.c
index 43165ca20..dbdbc117a 100644
--- a/testcases/kernel/syscalls/utils/common_j_h.c
+++ b/testcases/kernel/syscalls/utils/common_j_h.c
@@ -227,113 +227,6 @@ int cleanup_swapfile(char *path)
return 0;
}
-/*
- * Change user limit that the calling process can open
- */
-int setup_ulimit_fnum(rlim_t newlim, rlim_t * oldlim)
-{
- int rc;
- struct rlimit rlim;
-
- rc = getrlimit(RLIMIT_NOFILE, &rlim);
- if (rc < 0) {
- EPRINTF("getrlimit failed.\n");
- return -1;
- }
- *oldlim = rlim.rlim_cur;
- if (newlim > rlim.rlim_max) {
- EPRINTF("can't set ulimit value: %ld.\n", newlim);
- return -1;
- }
- rlim.rlim_cur = newlim;
- rc = setrlimit(RLIMIT_NOFILE, &rlim);
- if (rc < 0) {
- EPRINTF("setrlimit failed.\n");
- return -1;
- }
- return 0;
-}
-
-int cleanup_ulimit_fnum(rlim_t oldlim)
-{
- int rc;
- struct rlimit rlim;
-
- rc = getrlimit(RLIMIT_NOFILE, &rlim);
- if (rc < 0) {
- EPRINTF("getrlimit failed.\n");
- return -1;
- }
- if (oldlim > rlim.rlim_max) {
- EPRINTF("can't set ulimit value: %ld.\n", oldlim);
- return -1;
- }
- rlim.rlim_cur = oldlim;
- rc = setrlimit(RLIMIT_NOFILE, &rlim);
- if (rc < 0) {
- EPRINTF("setrlimit failed.\n");
- return -1;
- }
- return 0;
-}
-
-/*
- * Change /proc or /sys setting
- */
-int setup_proc_fs(char *path, int newval, int *oldval)
-{
- int fd = -1, rc, len;
- char buf[32];
-
- fd = open(path, O_RDWR);
- if (fd < 0) {
- EPRINTF("open %s failed.\n", path);
- return -1;
- }
-
- do {
- rc = read(fd, buf, 32);
- } while (rc < 0 && errno == EAGAIN);
- if (rc < 0) {
- EPRINTF("read failed.\n");
- close(fd);
- return -1;
- }
-
- *oldval = atoi(buf);
- sprintf(buf, "%d\n", newval);
- len = strlen(buf);
- rc = write(fd, buf, len);
- close(fd);
- if (rc != len) {
- EPRINTF("write failed.\n");
- return -1;
- }
- return 0;
-}
-
-int cleanup_proc_fs(char *path, int oldval)
-{
- int fd = -1, rc, len;
- char buf[32];
-
- fd = open(path, O_RDWR);
- if (fd < 0) {
- EPRINTF("open %s failed.\n", path);
- return -1;
- }
-
- sprintf(buf, "%d\n", oldval);
- len = strlen(buf);
- rc = write(fd, buf, len);
- close(fd);
- if (rc != len) {
- EPRINTF("write failed.\n");
- return -1;
- }
- return 0;
-}
-
#if 0
/*
* Check max nodes from /sys/devices/system/node/node* files (for NUMA)
diff --git a/testcases/kernel/syscalls/utils/include_j_h.h b/testcases/kernel/syscalls/utils/include_j_h.h
index ff6aaf42d..742d96401 100644
--- a/testcases/kernel/syscalls/utils/include_j_h.h
+++ b/testcases/kernel/syscalls/utils/include_j_h.h
@@ -135,12 +135,6 @@ int cleanup_file(char *path);
int setup_swapfile(char *testdir, char *fname, char *path, size_t size);
int cleanup_swapfile(char *path);
-int setup_ulimit_fnum(rlim_t newlim, rlim_t *oldlim);
-int cleanup_ulimit_fnum(rlim_t oldlim);
-
-int setup_proc_fs(char *path, int newval, int *oldval);
-int cleanup_proc_fs(char *path, int oldval);
-
#define QUEUE_NAME "/test_mqueue"
pid_t create_echo_msg_proc(void);
--
2.11.0
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