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[src/trunk]: src A simple test for mincore(2).
details: https://anonhg.NetBSD.org/src/rev/afe06848d3a5
branches: trunk
changeset: 765675:afe06848d3a5
user: jruoho <jruoho%NetBSD.org@localhost>
date: Thu Jun 02 10:48:55 2011 +0000
description:
A simple test for mincore(2).
diffstat:
distrib/sets/lists/tests/mi | 4 +-
tests/syscall/Makefile | 8 +-
tests/syscall/t_mincore.c | 189 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 197 insertions(+), 4 deletions(-)
diffs (240 lines):
diff -r f4fedf9362bc -r afe06848d3a5 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Thu Jun 02 09:02:39 2011 +0000
+++ b/distrib/sets/lists/tests/mi Thu Jun 02 10:48:55 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.342 2011/06/01 19:45:08 tron Exp $
+# $NetBSD: mi,v 1.343 2011/06/02 10:48:55 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -617,6 +617,7 @@
./usr/libdata/debug/usr/tests/syscall/t_gettimeofday.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_itimer.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_kill.debug tests-syscall-debug debug,atf
+./usr/libdata/debug/usr/tests/syscall/t_mincore.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_mmap.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_mprotect.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_msync.debug tests-syscall-debug debug,atf
@@ -2323,6 +2324,7 @@
./usr/tests/syscall/t_gettimeofday tests-syscall-tests atf
./usr/tests/syscall/t_itimer tests-syscall-tests atf
./usr/tests/syscall/t_kill tests-syscall-tests atf
+./usr/tests/syscall/t_mincore tests-syscall-tests atf
./usr/tests/syscall/t_mmap tests-syscall-tests atf
./usr/tests/syscall/t_mprotect tests-syscall-tests atf
./usr/tests/syscall/t_msync tests-syscall-tests atf
diff -r f4fedf9362bc -r afe06848d3a5 tests/syscall/Makefile
--- a/tests/syscall/Makefile Thu Jun 02 09:02:39 2011 +0000
+++ b/tests/syscall/Makefile Thu Jun 02 10:48:55 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.29 2011/06/01 19:43:10 tron Exp $
+# $NetBSD: Makefile,v 1.30 2011/06/02 10:48:56 jruoho Exp $
.include <bsd.own.mk>
@@ -6,8 +6,10 @@
TESTS_C+= t_access t_cmsg t_dup t_fsync
TESTS_C+= t_getgroups t_getpid t_getrusage t_getsid t_gettimeofday
-TESTS_C+= t_itimer t_kill t_mmap t_mprotect t_msync t_nanosleep t_poll
-TESTS_C+= t_pollts t_pselect t_setrlimit t_setuid t_timer t_umask
+TESTS_C+= t_itimer t_kill
+TESTS_C+= t_mincore t_mmap t_mprotect t_msync t_nanosleep
+TESTS_C+= t_poll t_pollts t_pselect
+TESTS_C+= t_setrlimit t_setuid t_timer t_umask
LDADD.t_getpid+= -lpthread
LDADD.t_timer+= -lpthread
diff -r f4fedf9362bc -r afe06848d3a5 tests/syscall/t_mincore.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/syscall/t_mincore.c Thu Jun 02 10:48:55 2011 +0000
@@ -0,0 +1,189 @@
+/* $NetBSD: t_mincore.c,v 1.1 2011/06/02 10:48:55 jruoho Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__RCSID("$NetBSD: t_mincore.c,v 1.1 2011/06/02 10:48:55 jruoho Exp $");
+
+#include <sys/mman.h>
+
+#include <atf-c.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static long page = 0;
+static const char path[] = "mincore";
+
+ATF_TC(mincore_err);
+ATF_TC_HEAD(mincore_err, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test errors from mincore(2)");
+}
+
+ATF_TC_BODY(mincore_err, tc)
+{
+ char *map, *vec;
+
+ map = mmap(NULL, page, PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
+ vec = malloc(page);
+
+ ATF_REQUIRE(vec != NULL);
+ ATF_REQUIRE(map != MAP_FAILED);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(EINVAL, mincore(map, 0, vec) == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(ENOMEM, mincore(0, page, vec) == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(EFAULT, mincore(map, page, (void *)-1) == -1);
+
+ free(vec);
+ ATF_REQUIRE(munmap(map, page) == 0);
+}
+
+ATF_TC_WITH_CLEANUP(mincore_incore);
+ATF_TC_HEAD(mincore_incore, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test that mincore(2) works");
+}
+
+ATF_TC_BODY(mincore_incore, tc)
+{
+ char *buf, *vec, *map = MAP_FAILED;
+ const char *str = NULL;
+ const size_t n = 3;
+ ssize_t tot;
+ int fd, rv;
+ size_t i, j;
+
+ /*
+ * Create a temporary file, write
+ * few pages to it, and map the file.
+ */
+ buf = calloc(n, page);
+ vec = calloc(n, page);
+
+ if (buf == NULL || vec == NULL)
+ return;
+
+ for (i = 0; i < (size_t)page * n; i++)
+ buf[i] = 'x';
+
+ fd = open(path, O_RDWR | O_CREAT, 0600);
+
+ if (fd < 0) {
+ str = "failed to open";
+ goto out;
+ }
+
+ tot = 0;
+
+ while (tot < page * (long)n) {
+
+ rv = write(fd, buf, sizeof(buf));
+
+ if (rv < 0) {
+ str = "failed to write";
+ goto out;
+ }
+
+ tot += rv;
+ }
+
+ map = mmap(NULL, page * n, PROT_READ | PROT_WRITE,
+ MAP_FILE | MAP_PRIVATE, fd, 0);
+
+ if (map == MAP_FAILED) {
+ str = "failed to map";
+ goto out;
+ }
+
+ /*
+ * Lock the mapping such that only
+ * in-core page status is returned.
+ */
+ if (mlock(map, page * n) != 0) {
+ str = "failed to lock";
+ goto out;
+ }
+
+ if (mincore(map, page * n, vec) != 0) {
+ str = "mincore failed";
+ goto out;
+ }
+
+ /*
+ * Check that the in-core pages
+ * match the locked pages.
+ */
+ for (i = j = 0; i < (size_t)page * n; i++) {
+
+ if (vec[i] != 0)
+ j++;
+ }
+
+ if (j != n)
+ str = "mismatch of in-core pages";
+
+out:
+ free(buf);
+ free(vec);
+
+ (void)close(fd);
+ (void)unlink(path);
+
+ if (map != MAP_FAILED) {
+ (void)munlock(map, page);
+ (void)munmap(map, page);
+ }
+
+ if (str != NULL)
+ atf_tc_fail(str);
+}
+
+ATF_TC_CLEANUP(mincore_incore, tc)
+{
+ (void)unlink(path);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ page = sysconf(_SC_PAGESIZE);
+ ATF_REQUIRE(page >= 0);
+
+ ATF_TP_ADD_TC(tp, mincore_err);
+ ATF_TP_ADD_TC(tp, mincore_incore);
+
+ return atf_no_error();
+}
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