[LTP] [PATCH 1/1] syscalls/mq_open: fix old tests + convert to use new API
Petr Vorel
pvorel@suse.cz
Mon Dec 5 14:39:02 CET 2016
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
> Not sure about FILE_SCANF and FILE_PRINTF. They're handy, but there must have
> been a reason not to port them to new API in bbdb9f7. Should I use something different?
> ---
> testcases/kernel/syscalls/mq_open/mq_open01.c | 601 ++++++++++----------------
> testcases/kernel/syscalls/utils/common_j_h.c | 107 -----
> testcases/kernel/syscalls/utils/include_j_h.h | 6 -
> 3 files changed, 232 insertions(+), 482 deletions(-)
> diff --git a/testcases/kernel/syscalls/mq_open/mq_open01.c b/testcases/kernel/syscalls/mq_open/mq_open01.c
> index 1ab8185..3496320 100644
> --- a/testcases/kernel/syscalls/mq_open/mq_open01.c
> +++ b/testcases/kernel/syscalls/mq_open/mq_open01.c
> @@ -1,129 +1,42 @@
> -/******************************************************************************/
> -/* 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>
> -#include <errno.h>
> -#include <stdio.h>
> -#include <unistd.h>
> -#include <string.h>
> -#include <mqueue.h>
> -#include <limits.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 "../utils/include_j_h.h"
> -#include "../utils/common_j_h.c"
> +#include <pwd.h>
> +#include <mqueue.h>
> -#include "test.h"
> +#include "tst_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)
> -{
> +#define FILE_SCANF(path, fmt, ...) \
> + file_scanf(__FILE__, __LINE__, \
> + (path), (fmt), ## __VA_ARGS__)
> - tst_rmdir();
> -}
> +#define FILE_PRINTF(path, fmt, ...) \
> + file_printf(__FILE__, __LINE__, \
> + (path), (fmt), ## __VA_ARGS__)
> -/* 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();
> -
> - /* Capture signals if any */
> - /* Create temporary directories */
> - TEST_PAUSE;
> - tst_tmpdir();
> -}
> +#define QUEUE_NAME "/test_mqueue"
> -/*
> - * Macros
> - */
> -#define SYSCALL_NAME "mq_open"
> +static uid_t euid;
> enum test_type {
> NORMAL,
> @@ -131,307 +44,257 @@ enum test_type {
> NO_SPACE,
> };
> -/*
> - * Data Structure
> - */
> +#define TYPE_NAME(x) .ttype = x, .desc = #x
> struct test_case {
> int ttype;
> + const char *desc;
> char *user;
> char *qname;
> int oflag;
> - long mq_maxmsg; // Maximum numebr of messages.
> - long mq_msgsize; // Maximum message size.
> + long mq_maxmsg; /* max number of messages */
> + long mq_msgsize; /* max message size */
> 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,
> + .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),
> + .user = "nobody",
> + .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),
> + .user = "nobody",
> + .qname = QUEUE_NAME,
> + .oflag = O_CREAT,
> + .ret = -1,
> + .err = ENOSPC,
> + }
> };
> -/*
> - * do_test()
> - *
> - * Input : TestCase Data
> - * Return : RESULT_OK(0), RESULT_NG(1)
> - *
> - */
> +void setup(void)
> +{
> + euid = geteuid();
> +}
> -static int do_test(struct test_case *tc)
> +static void do_test(unsigned int i)
> {
> - 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 test_case *tc = &tcase[i];
> + struct rlimit rlim;
> + int oldlim = -1;
> + struct passwd *pw;
> +
> + int max_queues;
> +
> + int fd1 = -1, fd2 = -1;
> struct mq_attr new, old, *p_attr;
> + tst_res(TINFO, "queue name '%s'", tc->qname);
> +
> /*
> * When test ended with SIGTERM etc, mq descriptor is left remains.
> * So we delete it first.
> */
> - TEST(mq_unlink(QUEUE_NAME));
> + mq_unlink(QUEUE_NAME);
> - /*
> - * Execute system call
> - */
> -
> - 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)
> + 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;
> - fd1 = sys_ret;
> }
> +
> if (tc->ttype == NO_FILE) {
> - TEST(rc = setup_ulimit_fnum(ULIMIT_FNUM, &oldlim));
> - if (rc < 0) {
> - result = 1;
> - goto EXIT;
> + if (getrlimit(RLIMIT_NOFILE, &rlim) == -1) {
> + tst_res(TFAIL | TTERRNO, "getrlimit failed");
> + goto CLEANUP;
> + }
> + if (rlim.rlim_cur > NOFILE_LIMIT) {
> + oldlim = rlim.rlim_cur;
> + rlim.rlim_cur = NOFILE_LIMIT;
> + if (setrlimit(RLIMIT_NOFILE, &rlim) == -1) {
> + tst_res(TFAIL | TTERRNO, "setrlimit %d to %ld failed",
> + RLIMIT_NOFILE, rlim.rlim_cur);
> + goto CLEANUP;
> + }
> }
> }
> - /*
> - * 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;
> + if (FILE_SCANF(PROC_MAX_QUEUES, "%d", &max_queues)) {
> + tst_res(TFAIL | TTERRNO, "Read %s failed",
> + PROC_MAX_QUEUES);
> + goto CLEANUP;
> + }
> + if (FILE_PRINTF(PROC_MAX_QUEUES, "%d", 0)) {
> + tst_res(TFAIL | TTERRNO, "Write %s failed",
> + PROC_MAX_QUEUES);
> + goto CLEANUP;
> }
> }
> - /*
> - * Change effective user id
> - */
> if (tc->user != NULL) {
> - TEST(rc = setup_euid(tc->user, &old_uid));
> - if (rc < 0) {
> - result = 1;
> - goto EXIT;
> + pw = getpwnam(tc->user);
> + if (!pw) {
> + tst_res(TFAIL | TTERRNO, "getpwnam failed");
> + goto CLEANUP;
> + }
> + if (seteuid(pw->pw_uid)) {
> + tst_res(TFAIL | TTERRNO, "seteuid failed");
> + goto CLEANUP;
> }
> }
> - /*
> - * Execute system call
> - */
> - //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;
> }
> - errno = 0;
> +
> if (tc->oflag & O_CREAT)
> - TEST(sys_ret = mq_open(tc->qname, tc->oflag, S_IRWXU, p_attr));
> + TEST(fd2 = mq_open(tc->qname, tc->oflag, S_IRWXU, p_attr));
> 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(tc->qname, tc->oflag));
> +
> + if (fd2 > 0 && p_attr) {
> + if (tst_syscall(__NR_mq_getsetattr, fd2, NULL, &old) < 0) {
> + tst_res(TFAIL | TTERRNO, "mq_getsetattr failed");
> + goto CLEANUP;
> + }
> +
> + if (old.mq_maxmsg != new.mq_maxmsg
> + || old.mq_msgsize != new.mq_msgsize) {
> + tst_res(TFAIL | TTERRNO, "wrong mq_attr: "
> + "mq_maxmsg expected %ld return %ld, "
> + "mq_msgsize expected %ld return %ld",
> + new.mq_maxmsg, old.mq_maxmsg, new.mq_msgsize,
> + old.mq_msgsize);
> + goto CLEANUP;
> }
> - 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()
> - */
> + 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);
> + }
> -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;
> - }
> +CLEANUP:
> + if (tc->user != NULL && seteuid(euid) == -1)
> + tst_res(TWARN | TTERRNO, "seteuid back to %d failed", euid);
> - /*
> - * 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 (tc->ttype == NO_SPACE && max_queues != -1 &&
> + FILE_PRINTF(PROC_MAX_QUEUES, "%d", max_queues))
> + tst_res(TWARN | TTERRNO, "restoring max_queues back to %d failed", max_queues);
> - }
> + if (tc->ttype == NO_FILE && oldlim != -1) {
> + rlim.rlim_cur = oldlim;
> + if (setrlimit(RLIMIT_NOFILE, &rlim) == -1)
> + tst_res(TWARN | TTERRNO, "Restore limit %d back to %lu failed",
> + RLIMIT_NOFILE, rlim.rlim_cur);
> }
> - cleanup();
> - tst_exit();
> +
> + if (fd1 > 0 && close(fd1))
> + tst_res(TWARN | TTERRNO, "close(fd1) failed");
> +
> + if (fd2 > 0 && close(fd2))
> + tst_res(TWARN | TTERRNO, "close(fd2) failed");
> +
> + if (fd1 > 0)
> + mq_unlink(QUEUE_NAME);
> +
> + if (fd2 > 0 && strcmp(tc->qname, QUEUE_NAME) != 0)
> + mq_unlink(tc->qname);
> }
> +
> +static struct tst_test test = {
> + .tid = "mq_open01",
> + .tcnt = ARRAY_SIZE(tcase),
> + .test = do_test,
> + .needs_root = 1,
> + .setup = setup,
> +};
> diff --git a/testcases/kernel/syscalls/utils/common_j_h.c b/testcases/kernel/syscalls/utils/common_j_h.c
> index 43165ca..dbdbc11 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 ff6aaf4..742d964 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);
Please don't review this, I'll create v2 with SAFE_GETPWNAM() in setup().
Kind regards,
Petr
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