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Re: [LTP] [PATCH 07/13] Add/Port mq_open01 test for mq_open() syscall
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From: Subrata M. <su...@li...> - 2009-05-29 12:56:40
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On Wed, 2009-05-27 at 15:40 +0530, Manas Kumar Nayak wrote:
> Signed-off-by: Manas Kumar Nayak <mak...@in...>
Thanks.
Regards--
Subrata
> To: LTP List <ltp...@li...>
> Cc: Subrata Modak <su...@li...>
> Cc: Masatake YAMATO <ya...@re...>
> ---
>
> --- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/mq_open/Makefile 1970-01-01 05:30:00.000000000 +0530
> +++ ltp-intermediate-20090521/testcases/kernel/syscalls/mq_open/Makefile 2009-05-23 12:03:30.000000000 +0530
> @@ -0,0 +1,31 @@
> +#
> +# Copyright (c) International Business Machines Corp., 2009
> +#
> +# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
> +#
> +
> +CFLAGS += -I../../../../include -Wall -O2
> +LDLIBS += -L../../../../lib -lltp -lrt
> +
> +SRCS = $(wildcard *.c)
> +TARGETS = $(patsubst %.c,%,$(SRCS))
> +
> +all: $(TARGETS)
> +
> +install:
> + @set -e; for i in $(TARGETS); do ln -f $$i ../../../bin/$$i ; done
> +
> +clean:
> + rm -f $(TARGETS)
> --- ltp-intermediate-20090521.orig/testcases/kernel/syscalls/mq_open/mq_open01.c 1970-01-01 05:30:00.000000000 +0530
> +++ ltp-intermediate-20090521/testcases/kernel/syscalls/mq_open/mq_open01.c 2009-05-27 13:11:05.000000000 +0530
> @@ -0,0 +1,520 @@
> +/******************************************************************************/
> +/* Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd */
> +/* Author(s): Takahiro Yasui <tak...@hi...>, */
> +/* Yumiko Sugita <yum...@hi...>, */
> +/* Satoshi Fujiwara <sa...@sd...> */
> +/* */
> +/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 mak...@in...> */
> +/******************************************************************************/
> +#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>
> +
> +
> +#include "../utils/include_j_h.h"
> +#include "../utils/common_j_h.c"
> +
> +/* Harness Specific Include Files. */
> +#include "test.h"
> +#include "usctest.h"
> +#include "linux_syscall_numbers.h"
> +
> +/* Extern Global Variables */
> +extern int Tst_count; /* counter for tst_xxx routines. */
> +extern char *TESTDIR; /* temporary dir created by tst_tmpdir() */
> +
> +/* Global Variables */
> +char *TCID = "mq_open01"; /* Test program identifier.*/
> +int testno;
> +int TST_TOTAL = 1; /* total number of tests in this file. */
> +
> +/* 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. */
> +/* */
> +/******************************************************************************/
> +extern void cleanup() {
> + /* Remove tmp dir and all files in it */
> + TEST_CLEANUP;
> + tst_rmdir();
> +
> + /* Exit with appropriate return code. */
> + tst_exit();
> +}
> +
> +/* 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() {
> + /* Capture signals if any */
> + /* Create temporary directories */
> + TEST_PAUSE;
> + tst_tmpdir();
> +}
> +
> +
> +/*
> + * Macros
> + */
> +#define SYSCALL_NAME "mq_open"
> +
> +#ifndef __NR_mq_getsetattr
> +# define __NR_mq_getsetattr 282
> +#endif
> +
> +
> +/*
> + * Global variables
> + */
> +static int opt_debug;
> +static char *progname;
> +
> +enum test_type {
> + NORMAL,
> + NO_FILE,
> + NO_SPACE,
> +};
> +
> +
> +/*
> + * Data Structure
> + */
> +struct test_case {
> + int ttype;
> + char *user;
> + char *qname;
> + int oflag;
> + long mq_maxmsg; // Maximum numebr of messages.
> + long mq_msgsize; // Maximum message size.
> + int ret;
> + int err;
> +};
> +
> +#define ULIMIT_FNUM 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
> + .qname = "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaa",
> + .oflag = O_CREAT,
> + .ret = 0,
> + .err = 0,
> + },
> + { // case02
> + .ttype = NORMAL,
> + // 0 1 2 3
> + // 0123456789012345678901234567890123456789
> + .qname = "/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" \
> + "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
> +};
> +
> +
> +/*
> + * do_test()
> + *
> + * Input : TestCase Data
> + * Return : RESULT_OK(0), RESULT_NG(1)
> + *
> + */
> +
> +static int do_test(struct test_case *tc)
> +{
> + 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 discriptor is left remains.
> + * So we delete it first.
> + */
> + TEST(mq_unlink(QUEUE_NAME));
> +
> +
> + /*
> + * Execute system call
> + */
> +
> + if (tc->ttype != NO_SPACE) {
> + 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;
> + }
> + }
> +
> + /*
> + * 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;
> + }
> + }
> +
> + /*
> + * Change effective user id
> + */
> + if (tc->user != NULL) {
> + TEST(rc = setup_euid(tc->user, &old_uid));
> + if (rc < 0) {
> + result = 1;
> + goto EXIT;
> + }
> + }
> +
> + /*
> + * 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));
> + 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 = 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;
> + }
> + if (opt_debug) {
> + 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;
> +}
> +
> +
> +/*
> + * usage()
> + */
> +
> +static void usage(const char *progname)
> +{
> + tst_resm(TINFO,"usage: %s [options]", progname);
> + tst_resm(TINFO,"This is a regression test program of %s system call.",SYSCALL_NAME);
> + tst_resm(TINFO,"options:");
> + tst_resm(TINFO," -d --debug Show debug messages");
> + tst_resm(TINFO," -h --help Show this message");
> + tst_resm(TINFO,"NG");
> + exit(1);
> +}
> +
> +
> +/*
> + * main()
> + */
> +
> +int main(int ac, char **av) {
> + int result = RESULT_OK;
> + int c;
> + int i;
> + int lc; /* loop counter */
> + char *msg; /* message returned from parse_opts */
> +
> + struct option long_options[] = {
> + { "debug", no_argument, 0, 'd' },
> + { "help", no_argument, 0, 'h' },
> + { NULL, 0, NULL, 0 }
> + };
> +
> + progname = strchr(av[0], '/');
> + progname = progname ? progname + 1 : av[0];
> +
> + /* parse standard options */
> + if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){
> + tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg);
> + tst_exit();
> + }
> +
> + setup();
> +
> + /* Check looping state if -i option given */
> + for (lc = 0; TEST_LOOPING(lc); ++lc) {
> + Tst_count = 0;
> + for (testno = 0; testno < TST_TOTAL; ++testno) {
> + TEST(c = getopt_long(ac, av, "dh", long_options, NULL));
> + while(TEST_RETURN != -1) {
> + switch (c) {
> + case 'd':
> + opt_debug = 1;
> + break;
> + default:
> + usage(progname);
> + // NOTREACHED
> + }
> + }
> +
> +
> + if (ac != optind) {
> + tst_resm(TINFO,"Options are not match.");
> + usage(progname);
> + // NOTREACHED
> + }
> +
> + /*
> + * Execute test
> + */
> + for (i = 0; i < (int)(sizeof(tcase) / sizeof(tcase[0])); 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_resm(TFAIL, "%s failed - errno = %d : %s", TCID, TEST_ERRNO, strerror(TEST_ERRNO));
> + tst_resm(TINFO,"NG");
> + cleanup();
> + tst_exit();
> + break;
> + }
> +
> + }
> + }
> + cleanup();
> + tst_exit();
> +}
> +
> --- ltp-intermediate-20090521.orig/runtest/syscalls 2009-05-27 13:08:52.000000000 +0530
> +++ ltp-intermediate-20090521/runtest/syscalls 2009-05-27 13:20:31.000000000 +0530
> @@ -586,6 +586,7 @@ mprotect02 mprotect02
> mprotect03 mprotect03
>
> mq_notify01 mq_notify01
> +mq_open01 mq_open01
>
> mremap01 mremap01
> mremap02 mremap02
>
> ---
> Regards--
> Manas
>
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