]>
git.ipfire.org Git - thirdparty/systemd.git/blob - src/libsystemd/sd-journal/test-mmap-cache.c
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
10 #include "mmap-cache.h"
11 #include "tmpfile-util.h"
14 int main(int argc
, char *argv
[]) {
15 MMapFileDescriptor
*fx
;
17 char px
[] = "/tmp/testmmapXXXXXXX", py
[] = "/tmp/testmmapYXXXXXX", pz
[] = "/tmp/testmmapZXXXXXX";
21 assert_se(m
= mmap_cache_new());
23 x
= mkostemp_safe(px
);
27 assert_se(fx
= mmap_cache_add_fd(m
, x
, PROT_READ
));
29 y
= mkostemp_safe(py
);
33 z
= mkostemp_safe(pz
);
37 r
= mmap_cache_fd_get(fx
, 0, false, 1, 2, NULL
, &p
);
40 r
= mmap_cache_fd_get(fx
, 0, false, 2, 2, NULL
, &q
);
43 assert_se((uint8_t*) p
+ 1 == (uint8_t*) q
);
45 r
= mmap_cache_fd_get(fx
, 1, false, 3, 2, NULL
, &q
);
48 assert_se((uint8_t*) p
+ 2 == (uint8_t*) q
);
50 r
= mmap_cache_fd_get(fx
, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL
, &p
);
53 r
= mmap_cache_fd_get(fx
, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL
, &q
);
56 assert_se((uint8_t*) p
+ 1 == (uint8_t*) q
);
58 mmap_cache_fd_free(fx
);