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authorDaniel Mack <zonque@gmail.com>2014-05-13 01:28:09 +0200
committerDaniel Mack <zonque@gmail.com>2014-08-17 21:47:00 +0200
commita6082d778ee4b97ec3eb6d3266cefc024c5d60f7 (patch)
tree9384d75776ffb4b1352f623982464743b7ca5b84 /src/libsystemd/sd-bus/test-bus-memfd.c
parenta6a4f528899b1dab47408733b4a423c66ea40f7a (diff)
kdbus: switch over to generic memfd implementation (ABI+API break)
Diffstat (limited to 'src/libsystemd/sd-bus/test-bus-memfd.c')
-rw-r--r--src/libsystemd/sd-bus/test-bus-memfd.c180
1 files changed, 0 insertions, 180 deletions
diff --git a/src/libsystemd/sd-bus/test-bus-memfd.c b/src/libsystemd/sd-bus/test-bus-memfd.c
deleted file mode 100644
index 3462732546..0000000000
--- a/src/libsystemd/sd-bus/test-bus-memfd.c
+++ /dev/null
@@ -1,180 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <sys/mman.h>
-#include <sys/uio.h>
-
-#include "log.h"
-#include "macro.h"
-#include "util.h"
-
-#include "sd-memfd.h"
-
-int main(int argc, char *argv[]) {
- sd_memfd *m;
- char *s, *name;
- uint64_t sz;
- int r, fd;
- FILE *f = NULL;
- char buf[3] = {};
- struct iovec iov[3] = {};
- char bufv[3][3] = {};
-
- log_set_max_level(LOG_DEBUG);
-
- r = sd_memfd_new(&m, NULL);
- if (r == -ENOENT)
- return EXIT_TEST_SKIP;
-
- assert_se(r >= 0);
-
- assert_se(sd_memfd_get_name(m, &name) >= 0);
- log_info("name: %s", name);
- free(name);
-
- r = sd_memfd_map(m, 0, 12, (void**) &s);
- assert_se(r >= 0);
-
- strcpy(s, "----- world");
-
- r = sd_memfd_set_sealed(m, 1);
- assert_se(r == -ETXTBSY);
-
- assert_se(write(sd_memfd_get_fd(m), "he", 2) == 2);
- assert_se(write(sd_memfd_get_fd(m), "XXX", 3) == 3);
- assert_se(streq(s, "heXXX world"));
-
- /* fix "hello" */
- assert_se(lseek(sd_memfd_get_fd(m), 2, SEEK_SET) == 2);
- assert_se(write(sd_memfd_get_fd(m), "ll", 2) == 2);
-
- assert_se(sd_memfd_get_file(m, &f) >= 0);
- fputc('o', f);
- fflush(f);
-
- /* check content */
- assert_se(streq(s, "hello world"));
-
- assert_se(munmap(s, 12) == 0);
-
- r = sd_memfd_get_sealed(m);
- assert_se(r == 0);
-
- r = sd_memfd_get_size(m, &sz);
- assert_se(r >= 0);
- assert_se(sz = page_size());
-
- /* truncate it */
- r = sd_memfd_set_size(m, 6);
- assert_se(r >= 0);
-
- /* get back new value */
- r = sd_memfd_get_size(m, &sz);
- assert_se(r >= 0);
- assert_se(sz == 6);
-
- r = sd_memfd_set_sealed(m, 1);
- assert_se(r >= 0);
-
- r = sd_memfd_get_sealed(m);
- assert_se(r == 1);
-
- fd = sd_memfd_dup_fd(m);
- assert_se(fd >= 0);
-
- sd_memfd_free(m);
-
- /* new sd_memfd, same underlying memfd */
- r = sd_memfd_new_from_fd(&m, fd);
- assert_se(r >= 0);
-
- /* we did truncate it to 6 */
- r = sd_memfd_get_size(m, &sz);
- assert_se(r >= 0 && sz == 6);
-
- /* map it, check content */
- r = sd_memfd_map(m, 0, 12, (void **)&s);
- assert_se(r >= 0);
-
- /* we only see the truncated size */
- assert_se(streq(s, "hello "));
-
- /* it was already sealed */
- r = sd_memfd_set_sealed(m, 1);
- assert_se(r == -EALREADY);
-
- /* we cannot break the seal, it is mapped */
- r = sd_memfd_set_sealed(m, 0);
- assert_se(r == -ETXTBSY);
-
- /* unmap it; become the single owner */
- assert_se(munmap(s, 12) == 0);
-
- /* now we can do flip the sealing */
- r = sd_memfd_set_sealed(m, 0);
- assert_se(r == 0);
- r = sd_memfd_get_sealed(m);
- assert_se(r == 0);
-
- r = sd_memfd_set_sealed(m, 1);
- assert_se(r == 0);
- r = sd_memfd_get_sealed(m);
- assert_se(r == 1);
-
- r = sd_memfd_set_sealed(m, 0);
- assert_se(r == 0);
- r = sd_memfd_get_sealed(m);
- assert_se(r == 0);
-
- /* seek at 2, read() 2 bytes */
- assert_se(lseek(fd, 2, SEEK_SET) == 2);
- assert_se(read(fd, buf, 2) == 2);
-
- /* check content */
- assert_se(memcmp(buf, "ll", 2) == 0);
-
- /* writev it out*/
- iov[0].iov_base = (char *)"ABC";
- iov[0].iov_len = 3;
- iov[1].iov_base = (char *)"DEF";
- iov[1].iov_len = 3;
- iov[2].iov_base = (char *)"GHI";
- iov[2].iov_len = 3;
- assert_se(pwritev(fd, iov, 3, 0) == 9);
-
- /* readv it back */
- iov[0].iov_base = bufv[0];
- iov[0].iov_len = 3;
- iov[1].iov_base = bufv[1];
- iov[1].iov_len = 3;
- iov[2].iov_base = bufv[2];
- iov[2].iov_len = 3;
- assert_se(preadv(fd, iov, 3, 0) == 9);
-
- /* check content */
- assert_se(memcmp(bufv[0], "ABC", 3) == 0);
- assert_se(memcmp(bufv[1], "DEF", 3) == 0);
- assert_se(memcmp(bufv[2], "GHI", 3) == 0);
-
- sd_memfd_free(m);
-
- return 0;
-}