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-rw-r--r--tests/sys/posixshm/posixshm.c627
1 files changed, 0 insertions, 627 deletions
diff --git a/tests/sys/posixshm/posixshm.c b/tests/sys/posixshm/posixshm.c
deleted file mode 100644
index 6f4c306..0000000
--- a/tests/sys/posixshm/posixshm.c
+++ /dev/null
@@ -1,627 +0,0 @@
-/*-
- * Copyright (c) 2006 Robert N. M. Watson
- * All rights reserved.
- *
- * 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 AUTHOR 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 AUTHOR 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>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/mman.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/syscall.h>
-#include <sys/wait.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "test.h"
-
-#define TEST_PATH "/tmp/posixshm_regression_test"
-
-/*
- * Attempt a shm_open() that should fail with an expected error of 'error'.
- */
-static void
-shm_open_should_fail(const char *path, int flags, mode_t mode, int error)
-{
- int fd;
-
- fd = shm_open(path, flags, mode);
- if (fd >= 0) {
- fail_err("shm_open() didn't fail");
- close(fd);
- return;
- }
- if (errno != error) {
- fail_errno("shm_open");
- return;
- }
- pass();
-}
-
-/*
- * Attempt a shm_unlink() that should fail with an expected error of 'error'.
- */
-static void
-shm_unlink_should_fail(const char *path, int error)
-{
-
- if (shm_unlink(path) >= 0) {
- fail_err("shm_unlink() didn't fail");
- return;
- }
- if (errno != error) {
- fail_errno("shm_unlink");
- return;
- }
- pass();
-}
-
-/*
- * Open the test object and write '1' to the first byte. Returns valid fd
- * on success and -1 on failure.
- */
-static int
-scribble_object(void)
-{
- char *page;
- int fd;
-
- fd = shm_open(TEST_PATH, O_CREAT | O_EXCL | O_RDWR, 0777);
- if (fd < 0 && errno == EEXIST) {
- if (shm_unlink(TEST_PATH) < 0) {
- fail_errno("shm_unlink");
- return (-1);
- }
- fd = shm_open(TEST_PATH, O_CREAT | O_EXCL | O_RDWR, 0777);
- }
- if (fd < 0) {
- fail_errno("shm_open");
- return (-1);
- }
- if (ftruncate(fd, getpagesize()) < 0) {
- fail_errno("ftruncate");
- close(fd);
- shm_unlink(TEST_PATH);
- return (-1);
- }
-
- page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
- 0);
- if (page == MAP_FAILED) {
- fail_errno("mmap");
- close(fd);
- shm_unlink(TEST_PATH);
- return (-1);
- }
-
- page[0] = '1';
-
- if (munmap(page, getpagesize()) < 0) {
- fail_errno("munmap");
- close(fd);
- shm_unlink(TEST_PATH);
- return (-1);
- }
-
- return (fd);
-}
-
-static void
-remap_object(void)
-{
- char *page;
- int fd;
-
- fd = scribble_object();
- if (fd < 0)
- return;
-
- page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
- 0);
- if (page == MAP_FAILED) {
- fail_errno("mmap(2)");
- close(fd);
- shm_unlink(TEST_PATH);
- return;
- }
-
- if (page[0] != '1') {
- fail_err("missing data");
- close(fd);
- shm_unlink(TEST_PATH);
- return;
- }
-
- close(fd);
- if (munmap(page, getpagesize()) < 0) {
- fail_errno("munmap");
- shm_unlink(TEST_PATH);
- return;
- }
-
- if (shm_unlink(TEST_PATH) < 0) {
- fail_errno("shm_unlink");
- return;
- }
-
- pass();
-}
-TEST(remap_object, "remap object");
-
-static void
-reopen_object(void)
-{
- char *page;
- int fd;
-
- fd = scribble_object();
- if (fd < 0)
- return;
- close(fd);
-
- fd = shm_open(TEST_PATH, O_RDONLY, 0777);
- if (fd < 0) {
- fail_errno("shm_open(2)");
- shm_unlink(TEST_PATH);
- return;
- }
- page = mmap(0, getpagesize(), PROT_READ, MAP_SHARED, fd, 0);
- if (page == MAP_FAILED) {
- fail_errno("mmap(2)");
- close(fd);
- shm_unlink(TEST_PATH);
- return;
- }
-
- if (page[0] != '1') {
- fail_err("missing data");
- munmap(page, getpagesize());
- close(fd);
- shm_unlink(TEST_PATH);
- return;
- }
-
- munmap(page, getpagesize());
- close(fd);
- shm_unlink(TEST_PATH);
- pass();
-}
-TEST(reopen_object, "reopen object");
-
-static void
-readonly_mmap_write(void)
-{
- char *page;
- int fd;
-
- fd = shm_open(TEST_PATH, O_RDONLY | O_CREAT, 0777);
- if (fd < 0) {
- fail_errno("shm_open");
- return;
- }
-
- /* PROT_WRITE should fail with EACCES. */
- page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
- 0);
- if (page != MAP_FAILED) {
- fail_err("mmap(PROT_WRITE) succeeded");
- munmap(page, getpagesize());
- close(fd);
- shm_unlink(TEST_PATH);
- return;
- }
- if (errno != EACCES) {
- fail_errno("mmap");
- close(fd);
- shm_unlink(TEST_PATH);
- return;
- }
-
- close(fd);
- shm_unlink(TEST_PATH);
- pass();
-}
-TEST(readonly_mmap_write, "RDONLY object");
-
-static void
-open_after_unlink(void)
-{
- int fd;
-
- fd = shm_open(TEST_PATH, O_RDONLY | O_CREAT, 0777);
- if (fd < 0) {
- fail_errno("shm_open(1)");
- return;
- }
- close(fd);
-
- if (shm_unlink(TEST_PATH) < 0) {
- fail_errno("shm_unlink");
- return;
- }
-
- shm_open_should_fail(TEST_PATH, O_RDONLY, 0777, ENOENT);
-}
-TEST(open_after_unlink, "open after unlink");
-
-static void
-open_invalid_path(void)
-{
-
- shm_open_should_fail("blah", O_RDONLY, 0777, EINVAL);
-}
-TEST(open_invalid_path, "open invalid path");
-
-static void
-open_write_only(void)
-{
-
- shm_open_should_fail(TEST_PATH, O_WRONLY, 0777, EINVAL);
-}
-TEST(open_write_only, "open with O_WRONLY");
-
-static void
-open_extra_flags(void)
-{
-
- shm_open_should_fail(TEST_PATH, O_RDONLY | O_DIRECT, 0777, EINVAL);
-}
-TEST(open_extra_flags, "open with extra flags");
-
-static void
-open_anon(void)
-{
- int fd;
-
- fd = shm_open(SHM_ANON, O_RDWR, 0777);
- if (fd < 0) {
- fail_errno("shm_open");
- return;
- }
- close(fd);
- pass();
-}
-TEST(open_anon, "open anonymous object");
-
-static void
-open_anon_readonly(void)
-{
-
- shm_open_should_fail(SHM_ANON, O_RDONLY, 0777, EINVAL);
-}
-TEST(open_anon_readonly, "open SHM_ANON with O_RDONLY");
-
-static void
-open_bad_path_pointer(void)
-{
-
- shm_open_should_fail((char *)1024, O_RDONLY, 0777, EFAULT);
-}
-TEST(open_bad_path_pointer, "open bad path pointer");
-
-static void
-open_path_too_long(void)
-{
- char *page;
-
- page = malloc(MAXPATHLEN + 1);
- memset(page, 'a', MAXPATHLEN);
- page[MAXPATHLEN] = '\0';
- shm_open_should_fail(page, O_RDONLY, 0777, ENAMETOOLONG);
- free(page);
-}
-TEST(open_path_too_long, "open pathname too long");
-
-static void
-open_nonexisting_object(void)
-{
-
- shm_open_should_fail("/notreallythere", O_RDONLY, 0777, ENOENT);
-}
-TEST(open_nonexisting_object, "open nonexistent object");
-
-static void
-exclusive_create_existing_object(void)
-{
- int fd;
-
- fd = shm_open("/tmp/notreallythere", O_RDONLY | O_CREAT, 0777);
- if (fd < 0) {
- fail_errno("shm_open(O_CREAT)");
- return;
- }
- close(fd);
-
- shm_open_should_fail("/tmp/notreallythere", O_RDONLY | O_CREAT | O_EXCL,
- 0777, EEXIST);
-
- shm_unlink("/tmp/notreallythere");
-}
-TEST(exclusive_create_existing_object, "O_EXCL of existing object");
-
-static void
-trunc_resets_object(void)
-{
- struct stat sb;
- int fd;
-
- /* Create object and set size to 1024. */
- fd = shm_open(TEST_PATH, O_RDWR | O_CREAT, 0777);
- if (fd < 0) {
- fail_errno("shm_open(1)");
- return;
- }
- if (ftruncate(fd, 1024) < 0) {
- fail_errno("ftruncate");
- close(fd);
- return;
- }
- if (fstat(fd, &sb) < 0) {
- fail_errno("fstat(1)");
- close(fd);
- return;
- }
- if (sb.st_size != 1024) {
- fail_err("size %d != 1024", (int)sb.st_size);
- close(fd);
- return;
- }
- close(fd);
-
- /* Open with O_TRUNC which should reset size to 0. */
- fd = shm_open(TEST_PATH, O_RDWR | O_TRUNC, 0777);
- if (fd < 0) {
- fail_errno("shm_open(2)");
- return;
- }
- if (fstat(fd, &sb) < 0) {
- fail_errno("fstat(2)");
- close(fd);
- return;
- }
- if (sb.st_size != 0) {
- fail_err("size after O_TRUNC %d != 0", (int)sb.st_size);
- close(fd);
- return;
- }
- close(fd);
- if (shm_unlink(TEST_PATH) < 0) {
- fail_errno("shm_unlink");
- return;
- }
- pass();
-}
-TEST(trunc_resets_object, "O_TRUNC resets size");
-
-static void
-unlink_bad_path_pointer(void)
-{
-
- shm_unlink_should_fail((char *)1024, EFAULT);
-}
-TEST(unlink_bad_path_pointer, "unlink bad path pointer");
-
-static void
-unlink_path_too_long(void)
-{
- char *page;
-
- page = malloc(MAXPATHLEN + 1);
- memset(page, 'a', MAXPATHLEN);
- page[MAXPATHLEN] = '\0';
- shm_unlink_should_fail(page, ENAMETOOLONG);
- free(page);
-}
-TEST(unlink_path_too_long, "unlink pathname too long");
-
-static void
-test_object_resize(void)
-{
- pid_t pid;
- struct stat sb;
- char *page;
- int fd, status;
-
- /* Start off with a size of a single page. */
- fd = shm_open(SHM_ANON, O_CREAT | O_RDWR, 0777);
- if (fd < 0) {
- fail_errno("shm_open");
- return;
- }
- if (ftruncate(fd, getpagesize()) < 0) {
- fail_errno("ftruncate(1)");
- close(fd);
- return;
- }
- if (fstat(fd, &sb) < 0) {
- fail_errno("fstat(1)");
- close(fd);
- return;
- }
- if (sb.st_size != getpagesize()) {
- fail_err("first resize failed");
- close(fd);
- return;
- }
-
- /* Write a '1' to the first byte. */
- page = mmap(0, getpagesize(), PROT_READ | PROT_WRITE, MAP_SHARED, fd,
- 0);
- if (page == MAP_FAILED) {
- fail_errno("mmap(1)");
- close(fd);
- return;
- }
-
- page[0] = '1';
-
- if (munmap(page, getpagesize()) < 0) {
- fail_errno("munmap(1)");
- close(fd);
- return;
- }
-
- /* Grow the object to 2 pages. */
- if (ftruncate(fd, getpagesize() * 2) < 0) {
- fail_errno("ftruncate(2)");
- close(fd);
- return;
- }
- if (fstat(fd, &sb) < 0) {
- fail_errno("fstat(2)");
- close(fd);
- return;
- }
- if (sb.st_size != getpagesize() * 2) {
- fail_err("second resize failed");
- close(fd);
- return;
- }
-
- /* Check for '1' at the first byte. */
- page = mmap(0, getpagesize() * 2, PROT_READ | PROT_WRITE, MAP_SHARED,
- fd, 0);
- if (page == MAP_FAILED) {
- fail_errno("mmap(2)");
- close(fd);
- return;
- }
-
- if (page[0] != '1') {
- fail_err("missing data at 0");
- close(fd);
- return;
- }
-
- /* Write a '2' at the start of the second page. */
- page[getpagesize()] = '2';
-
- /* Shrink the object back to 1 page. */
- if (ftruncate(fd, getpagesize()) < 0) {
- fail_errno("ftruncate(3)");
- close(fd);
- return;
- }
- if (fstat(fd, &sb) < 0) {
- fail_errno("fstat(3)");
- close(fd);
- return;
- }
- if (sb.st_size != getpagesize()) {
- fail_err("third resize failed");
- close(fd);
- return;
- }
-
- /*
- * Fork a child process to make sure the second page is no
- * longer valid.
- */
- pid = fork();
- if (pid < 0) {
- fail_errno("fork");
- close(fd);
- return;
- }
-
- if (pid == 0) {
- struct rlimit lim;
- char c;
-
- /* Don't generate a core dump. */
- getrlimit(RLIMIT_CORE, &lim);
- lim.rlim_cur = 0;
- setrlimit(RLIMIT_CORE, &lim);
-
- /*
- * The previous ftruncate(2) shrunk the backing object
- * so that this address is no longer valid, so reading
- * from it should trigger a SIGSEGV.
- */
- c = page[getpagesize()];
- fprintf(stderr, "child: page 1: '%c'\n", c);
- exit(0);
- }
- if (wait(&status) < 0) {
- fail_errno("wait");
- close(fd);
- return;
- }
- if (!WIFSIGNALED(status) || WTERMSIG(status) != SIGSEGV) {
- fail_err("child terminated with status %x", status);
- close(fd);
- return;
- }
-
- /* Grow the object back to 2 pages. */
- if (ftruncate(fd, getpagesize() * 2) < 0) {
- fail_errno("ftruncate(4)");
- close(fd);
- return;
- }
- if (fstat(fd, &sb) < 0) {
- fail_errno("fstat(4)");
- close(fd);
- return;
- }
- if (sb.st_size != getpagesize() * 2) {
- fail_err("second resize failed");
- close(fd);
- return;
- }
-
- /*
- * Note that the mapping at 'page' for the second page is
- * still valid, and now that the shm object has been grown
- * back up to 2 pages, there is now memory backing this page
- * so the read will work. However, the data should be zero
- * rather than '2' as the old data was thrown away when the
- * object was shrunk and the new pages when an object are
- * grown are zero-filled.
- */
- if (page[getpagesize()] != 0) {
- fail_err("invalid data at %d", getpagesize());
- close(fd);
- return;
- }
-
- close(fd);
- pass();
-}
-TEST(test_object_resize, "object resize");
-
-int
-main(int argc, char *argv[])
-{
-
- run_tests();
- return (0);
-}
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