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gerrit-public.fairphone.software / platform / external / ltp / 60fa8014af7534eaefa901200c8df4b74ce422e6 / . / testcases / kernel / syscalls / mq_open / mq_open01.c
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/******************************************************************************/
/* 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., 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 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>
#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. */
/* */
/******************************************************************************/
void cleanup(void) {
/* Remove tmp dir and all files in it */
TEST_CLEANUP;
tst_rmdir();
}
/* 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"
/*
* 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 && !(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;
}
}
/*
* 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 = basename(av[0]);
/* parse standard options */
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
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_brkm(TFAIL|TTERRNO, cleanup,
"mq_open failed");
break;
}
}
}
cleanup();
tst_exit();
}