* [LTP] [PATCH] msync/msync03.c: add EBUSY test for msync(2)
@ 2014-02-21 3:03 Xiaoguang Wang
2014-03-18 16:17 ` chrubis
0 siblings, 1 reply; 2+ messages in thread
From: Xiaoguang Wang @ 2014-02-21 3:03 UTC (permalink / raw)
To: ltp-list
Merge msync03.c, msync04.c, msync05.c into one msync03
test, which contains EINVAL and ENOMEM error value tests.
And add new EBUSY error value test.
Signed-off-by: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
---
runtest/ltplite | 2 -
runtest/stress.part3 | 2 -
runtest/syscalls | 2 -
testcases/kernel/syscalls/.gitignore | 2 -
testcases/kernel/syscalls/msync/msync03.c | 225 ++++++++++++++++++------------
testcases/kernel/syscalls/msync/msync04.c | 158 ---------------------
testcases/kernel/syscalls/msync/msync05.c | 136 ------------------
7 files changed, 136 insertions(+), 391 deletions(-)
delete mode 100644 testcases/kernel/syscalls/msync/msync04.c
delete mode 100644 testcases/kernel/syscalls/msync/msync05.c
diff --git a/runtest/ltplite b/runtest/ltplite
index 4bd1c53..40e194d 100644
--- a/runtest/ltplite
+++ b/runtest/ltplite
@@ -504,8 +504,6 @@ msgsnd06 msgsnd06
msync01 msync01
msync02 msync02
msync03 msync03
-msync04 msync04
-msync05 msync05
munlock01 munlock01
munlock02 munlock02
diff --git a/runtest/stress.part3 b/runtest/stress.part3
index d631c19..aa89495 100644
--- a/runtest/stress.part3
+++ b/runtest/stress.part3
@@ -427,8 +427,6 @@ msgsnd06 msgsnd06
msync01 msync01
msync02 msync02
msync03 msync03
-msync04 msync04
-msync05 msync05
munlock01 munlock01
munlock02 munlock02
diff --git a/runtest/syscalls b/runtest/syscalls
index 540c130..8a31c56 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -658,8 +658,6 @@ msgsnd06 msgsnd06
msync01 msync01
msync02 msync02
msync03 msync03
-msync04 msync04
-msync05 msync05
munlock01 munlock01
munlock02 munlock02
diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore
index 2fc0c99..de489f7 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -560,8 +560,6 @@
/msync/msync01
/msync/msync02
/msync/msync03
-/msync/msync04
-/msync/msync05
/munlock/munlock01
/munlock/munlock02
/munlockall/munlockall01
diff --git a/testcases/kernel/syscalls/msync/msync03.c b/testcases/kernel/syscalls/msync/msync03.c
index e152f2c..cc1f186 100644
--- a/testcases/kernel/syscalls/msync/msync03.c
+++ b/testcases/kernel/syscalls/msync/msync03.c
@@ -1,138 +1,185 @@
/*
+ * Copyright (c) 2014 Fujitsu Ltd.
+ * Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
*
- * Copyright (c) International Business Machines Corp., 2001
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
*
- * 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.
*
- * 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
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
- * Test Name: msync03
- *
- * Test Description:
- * Verify that, msync() fails, when the region to synchronize, is outside
- * the address space of the process.
- *
- * Expected Result:
- * msync() should fail with a return value of -1, and errno should be
- * set to EINVAL.
- *
- * Algorithm:
- * Setup:
- * Setup signal handling.
- * Pause for SIGUSR1 if option specified.
- *
- * Test:
- * Loop if the proper options are given.
- * Execute system call
- * Check return code, if system call failed (return=-1)
- * if errno set == expected errno
- * Issue sys call fails with expected return value and errno.
- * Otherwise,
- * Issue sys call fails with unexpected errno.
- * Otherwise,
- * Issue sys call returns unexpected value.
- *
- * Cleanup:
- * Print errno log and/or timing stats if options given
- *
- * Usage: <for command-line>
- * msync03 [-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.
- *
- * HISTORY
- * 07/2001 Ported by Wayne Boyer
- *
- * RESTRICTIONS:
- * None.
+ * Description:
+ * Verify that,
+ * 1. msync() fails with -1 return value and sets errno to EBUSY
+ * if MS_INVALIDATE was specified in flags, and a memory lock
+ * exists for the specified address range.
+ * 2. msync() fails with -1 return value and sets errno to EINVAL
+ * if addr is not a multiple of PAGESIZE; or any bit other than
+ * MS_ASYNC | MS_INVALIDATE | MS_SYNC is set in flags; or both
+ * MS_SYNC and MS_ASYNC are set in flags.
+ * 3. msync() fails with -1 return value and sets errno to ENOMEM
+ * if the indicated memory (or part of it) was not mapped.
*/
+
+#include <stdio.h>
#include <errno.h>
#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include <sys/mman.h>
+#include <sys/mount.h>
+#include <pwd.h>
#include <sys/resource.h>
#include "test.h"
#include "usctest.h"
+#include "safe_macros.h"
+
+#define INV_SYNC -1
+#define TEMPFILE "msync_file"
+#define BUF_SIZE 256
+
+static void setup(void);
+static void cleanup(void);
+
+static int fd;
+static char *addr1;
+static char *addr2;
+static char *addr3;
+
+#if !defined(UCLINUX)
+static char *addr4;
+#endif
+
+static size_t page_sz;
+
+static struct test_case_t {
+ char **addr;
+ int flags;
+ int exp_errno;
+} test_cases[] = {
+ { &addr1, MS_INVALIDATE, EBUSY },
+ { &addr1, MS_ASYNC | MS_SYNC, EINVAL },
+ { &addr1, INV_SYNC, EINVAL },
+ { &addr2, MS_SYNC, EINVAL },
+ { &addr3, MS_SYNC, EINVAL },
+#if !defined(UCLINUX)
+ { &addr4, MS_SYNC, ENOMEM },
+#endif
+};
+
+static void msync_verify(struct test_case_t *tc);
char *TCID = "msync03";
-int TST_TOTAL = 1;
-
-void *addr; /* addr of memory mapped region */
-size_t page_sz; /* system page size */
-
-int exp_enos[] = { EINVAL, 0 };
-
-void setup(); /* Main setup function of test */
-void cleanup(); /* cleanup function for the test */
+int TST_TOTAL = ARRAY_SIZE(test_cases);
+static int exp_enos[] = { EBUSY, EINVAL, ENOMEM, 0 };
int main(int ac, char **av)
{
- int lc;
+ int i, lc;
char *msg;
- if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
+ msg = parse_opts(ac, av, NULL, NULL);
+ if (msg != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
setup();
- TEST_EXP_ENOS(exp_enos);
-
for (lc = 0; TEST_LOOPING(lc); lc++) {
-
tst_count = 0;
- TEST(msync(addr, page_sz, MS_ASYNC));
-
- if (TEST_RETURN != -1) {
- tst_resm(TFAIL, "msync() returns unexpected "
- "value %ld, expected:-1", TEST_RETURN);
- continue;
- }
-
- if (errno == EINVAL)
- tst_resm(TPASS, "msync failed with EINVAL as expected");
- else
- tst_resm(TFAIL | TERRNO, "msync failed unexpectedly");
+ for (i = 0; i < TST_TOTAL; i++)
+ msync_verify(&test_cases[i]);
}
cleanup();
tst_exit();
}
-void setup()
+static void setup(void)
{
- struct rlimit brkval;
+ size_t nwrite = 0;
+ char write_buf[BUF_SIZE];
+ struct rlimit rl;
tst_sig(NOFORK, DEF_HANDLER, cleanup);
+ TEST_EXP_ENOS(exp_enos);
+
+ tst_tmpdir();
+
TEST_PAUSE;
- if ((page_sz = getpagesize()) == -1)
- tst_brkm(TBROK | TERRNO, NULL, "getpagesize failed");
+ page_sz = (size_t)sysconf(_SC_PAGESIZE);
+
+ fd = SAFE_OPEN(cleanup, TEMPFILE, O_RDWR | O_CREAT, 0666);
+
+ memset(write_buf, 'a', BUF_SIZE);
+ while (nwrite < page_sz) {
+ SAFE_WRITE(cleanup, 1, fd, write_buf, BUF_SIZE);
+ nwrite += BUF_SIZE;
+ }
+
+ addr1 = SAFE_MMAP(cleanup, 0, page_sz, PROT_READ | PROT_WRITE,
+ MAP_SHARED | MAP_LOCKED, fd, 0);
+
+ /* addr2 is not a multiple of PAGESIZE */
+ addr2 = addr1 + 1;
+
+ /* addr3 is outside the address space of the process */
+ if (getrlimit(RLIMIT_DATA, &rl) < 0)
+ tst_brkm(TBROK | TERRNO, NULL, "getrlimit failed");
+ addr3 = (char *)rl.rlim_max;
- getrlimit(RLIMIT_DATA, &brkval);
+#if !defined(UCLINUX)
+ /* memory pointed to by addr4 was not mapped */
+ addr4 = get_high_address();
+#endif
+}
+
+static void msync_verify(struct test_case_t *tc)
+{
+ TEST(msync(*(tc->addr), page_sz, tc->flags));
+ if (TEST_RETURN != -1) {
+ tst_resm(TFAIL, "msync succeeded unexpectedly");
+ return;
+ }
+
+ TEST_ERROR_LOG(TEST_ERRNO);
- addr = (void *)brkval.rlim_max;
+ if (TEST_ERRNO == tc->exp_errno) {
+ tst_resm(TPASS | TTERRNO, "msync failed as expected");
+ } else {
+ tst_resm(TFAIL | TTERRNO,
+ "msync failed unexpectedly; expected: "
+ "%d - %s", tc->exp_errno,
+ strerror(tc->exp_errno));
+ }
}
-void cleanup()
+static void cleanup(void)
{
TEST_CLEANUP;
+ if (munmap(addr1, page_sz) < 0)
+ tst_resm(TWARN | TERRNO, "munmap() failed");
+
+ if (fd > 0 && close(fd) < 0)
+ tst_resm(TWARN | TERRNO, "close() failed");
+
+ if (unlink(TEMPFILE) < 0)
+ tst_resm(TWARN | TERRNO, "unlink(%s) failed", TEMPFILE);
+
+ tst_rmdir();
}
diff --git a/testcases/kernel/syscalls/msync/msync04.c b/testcases/kernel/syscalls/msync/msync04.c
deleted file mode 100644
index a739e62..0000000
--- a/testcases/kernel/syscalls/msync/msync04.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- *
- * Copyright (c) International Business Machines Corp., 2001
- *
- * 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
- */
-
-/*
- * Test Name: msync04
- *
- * Test Description:
- * Verify that, msync() fails, when the region to synchronize, is mapped
- * but the flags argument is invalid.
- *
- * Expected Result:
- * msync() should fail with a return value of -1, and set errno EINVAL.
- *
- * Algorithm:
- * Setup:
- * Setup signal handling.
- * Create temporary directory.
- * Pause for SIGUSR1 if option specified.
- *
- * Test:
- * Loop if the proper options are given.
- * Execute system call
- * Check return code, if system call failed (return=-1)
- * if errno set == expected errno
- * Issue sys call fails with expected return value and errno.
- * Otherwise,
- * Issue sys call fails with unexpected errno.
- * Otherwise,
- * Issue sys call returns unexpected value.
- *
- * Cleanup:
- * Print errno log and/or timing stats if options given
- * Delete the temporary directory(s)/file(s) created.
- *
- * Usage: <for command-line>
- * msync04 [-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.
- *
- * HISTORY
- * 07/2001 Ported by Wayne Boyer
- *
- * RESTRICTIONS:
- * None.
- */
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-
-#include "test.h"
-#include "usctest.h"
-
-#define TEMPFILE "msync_file"
-#define BUF_SIZE 256
-#define INV_SYNC -1
-
-char *TCID = "msync04";
-int TST_TOTAL = 1;
-
-char *addr; /* addr of memory mapped region */
-size_t page_sz; /* system page size */
-int fildes; /* file descriptor for tempfile */
-
-int exp_enos[] = { EINVAL, 0 };
-
-void setup(); /* Main setup function of test */
-void cleanup(); /* cleanup function for the test */
-
-int main(int ac, char **av)
-{
- TEST_EXP_ENOS(exp_enos);
-
- tst_count = 0;
-
- setup();
-
- TEST(msync(addr, page_sz, INV_SYNC));
-
- if (TEST_RETURN != -1)
- tst_resm(TFAIL, "msync succeeded unexpectedly");
- else if (TEST_ERRNO == EINVAL)
- tst_resm(TPASS, "msync failed with EINVAL as expected");
- else
- tst_resm(TFAIL | TTERRNO, "msync failed unexpectedly");
-
- cleanup();
-
- tst_exit();
-}
-
-void setup()
-{
- int c_total = 0, nwrite = 0; /* no. of bytes to be written */
- char tst_buf[BUF_SIZE]; /* buffer to hold data to be written */
-
- TEST_PAUSE;
-
- if ((page_sz = getpagesize()) == -1)
- tst_brkm(TBROK | TERRNO, NULL, "getpagesize failed");
-
- tst_tmpdir();
-
- tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
- /* Creat a temporary file used for mapping */
- if ((fildes = open(TEMPFILE, O_RDWR | O_CREAT, 0666)) < 0)
- tst_brkm(TBROK | TERRNO, cleanup, "open failed");
-
- /* Write one page size of char data into temporary file */
- while (c_total < page_sz) {
- if ((nwrite = write(fildes, tst_buf, sizeof(tst_buf))) <= 0)
- tst_brkm(TBROK, cleanup, "write failed");
- else
- c_total += nwrite;
- }
-
- addr = mmap(0, page_sz, PROT_READ | PROT_WRITE, MAP_FILE | MAP_PRIVATE,
- fildes, 0);
-
- /* Check for the return value of mmap() */
- if (addr == MAP_FAILED)
- tst_brkm(TBROK | TERRNO, cleanup, "mmap failed");
-}
-
-void cleanup()
-{
- TEST_CLEANUP;
-
- if (munmap(addr, page_sz) == -1)
- tst_brkm(TBROK, NULL, "munmap failed");
-
- /* Close the temporary file */
- if (close(fildes) == -1)
- tst_brkm(TBROK, NULL, "close failed");
-
- tst_rmdir();
-}
diff --git a/testcases/kernel/syscalls/msync/msync05.c b/testcases/kernel/syscalls/msync/msync05.c
deleted file mode 100644
index eaf28ab..0000000
--- a/testcases/kernel/syscalls/msync/msync05.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- *
- * Copyright (c) International Business Machines Corp., 2001
- *
- * 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
- */
-
-/*
- * Test Name: msync05
- *
- * Test Description:
- * Verify that, msync() fails, when the region to synchronize, was not
- * mapped.
- *
- * Expected Result:
- * msync() should fail with a return value of -1, and set errno ENOMEM.
- *
- * Algorithm:
- * Setup:
- * Setup signal handling.
- * Pause for SIGUSR1 if option specified.
- *
- * Test:
- * Loop if the proper options are given.
- * Execute system call
- * Check return code, if system call failed (return=-1)
- * if errno set == expected errno
- * Issue sys call fails with expected return value and errno.
- * Otherwise,
- * Issue sys call fails with unexpected errno.
- * Otherwise,
- * Issue sys call returns unexpected value.
- *
- * Cleanup:
- * Print errno log and/or timing stats if options given
- *
- * Usage: <for command-line>
- * msync05 [-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.
- *
- * HISTORY
- * 07/2001 Ported by Wayne Boyer
- * 03/2002 Paul Larson: expected error should be ENOMEM not EFAULT
- *
- * RESTRICTIONS:
- * None.
- */
-#include <errno.h>
-#include <unistd.h>
-#include <sys/mman.h>
-
-#include "test.h"
-#include "usctest.h"
-
-char *TCID = "msync05";
-int TST_TOTAL = 1;
-
-void *addr; /* addr of memory mapped region */
-size_t page_sz; /* system page size */
-
-int exp_enos[] = { ENOMEM, 0 };
-
-void setup(); /* Main setup function of test */
-void cleanup(); /* cleanup function for the test */
-
-#if !defined(UCLINUX)
-int main(int ac, char **av)
-{
- int lc;
- char *msg;
-
- if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
- tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
-
- setup();
-
- TEST_EXP_ENOS(exp_enos);
-
- for (lc = 0; TEST_LOOPING(lc); lc++) {
-
- tst_count = 0;
-
- TEST(msync(addr, page_sz, MS_SYNC));
-
- if (TEST_RETURN != -1)
- tst_resm(TFAIL, "msync succeeded unexpectedly");
- else if (TEST_ERRNO == ENOMEM)
- tst_resm(TPASS, "msync failed as expected with ENOMEM");
- else
- tst_resm(TFAIL | TTERRNO, "msync failed unexpectedly");
- }
-
- cleanup();
- tst_exit();
-}
-
-void setup()
-{
- tst_sig(NOFORK, DEF_HANDLER, cleanup);
-
- TEST_PAUSE;
-
- if ((page_sz = getpagesize()) == -1)
- tst_brkm(TBROK | TERRNO, NULL, "getpagesize failed");
-
- addr = get_high_address();
-}
-
-void cleanup()
-{
- TEST_CLEANUP;
-}
-
-#else
-int main()
-{
- tst_brkm(TCONF, NULL, "test is not available on uClinux");
-}
-#endif /* if !defined(UCLINUX) */
--
1.8.2.1
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [LTP] [PATCH] msync/msync03.c: add EBUSY test for msync(2)
2014-02-21 3:03 [LTP] [PATCH] msync/msync03.c: add EBUSY test for msync(2) Xiaoguang Wang
@ 2014-03-18 16:17 ` chrubis
0 siblings, 0 replies; 2+ messages in thread
From: chrubis @ 2014-03-18 16:17 UTC (permalink / raw)
To: Xiaoguang Wang; +Cc: ltp-list
Hi!
> Merge msync03.c, msync04.c, msync05.c into one msync03
> test, which contains EINVAL and ENOMEM error value tests.
>
> And add new EBUSY error value test.
Pushed with minor changes:
--- a/testcases/kernel/syscalls/msync/msync03.c
+++ b/testcases/kernel/syscalls/msync/msync03.c
@@ -1,4 +1,5 @@
/*
+ * Copyright (c) International Business Machines Corp., 2001
* Copyright (c) 2014 Fujitsu Ltd.
* Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
*
@@ -144,7 +145,7 @@ static void setup(void)
#if !defined(UCLINUX)
/* memory pointed to by addr4 was not mapped */
- addr4 = get_high_address();
+ addr4 = get_high_address();
#endif
}
@@ -172,14 +173,11 @@ static void cleanup(void)
{
TEST_CLEANUP;
- if (munmap(addr1, page_sz) < 0)
+ if (addr1 && munmap(addr1, page_sz) < 0)
tst_resm(TWARN | TERRNO, "munmap() failed");
if (fd > 0 && close(fd) < 0)
tst_resm(TWARN | TERRNO, "close() failed");
- if (unlink(TEMPFILE) < 0)
- tst_resm(TWARN | TERRNO, "unlink(%s) failed", TEMPFILE);
-
tst_rmdir();
}
Please do not remove copyright headers unless the test was rewritten from
scratch. And you don't have to unlink files in tmpdir, tst_rmdir() does that
for you, you only have to close the fds.
Thanks.
--
Cyril Hrubis
chrubis@suse.cz
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2014-02-21 3:03 [LTP] [PATCH] msync/msync03.c: add EBUSY test for msync(2) Xiaoguang Wang
2014-03-18 16:17 ` chrubis
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