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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/libsystemd/sd-journal/test-mmap-cache.c | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/libsystemd/sd-journal/test-mmap-cache.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/libsystemd/sd-journal/test-mmap-cache.c b/src/libsystemd/sd-journal/test-mmap-cache.c new file mode 100644 index 0000000..ce5ea12 --- /dev/null +++ b/src/libsystemd/sd-journal/test-mmap-cache.c @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <fcntl.h> +#include <stdlib.h> +#include <sys/mman.h> +#include <unistd.h> + +#include "fd-util.h" +#include "macro.h" +#include "mmap-cache.h" +#include "tests.h" +#include "tmpfile-util.h" + +int main(int argc, char *argv[]) { + MMapFileDescriptor *fx; + int x, y, z, r; + char px[] = "/tmp/testmmapXXXXXXX", py[] = "/tmp/testmmapYXXXXXX", pz[] = "/tmp/testmmapZXXXXXX"; + MMapCache *m; + void *p, *q; + + test_setup_logging(LOG_DEBUG); + + assert_se(m = mmap_cache_new()); + + x = mkostemp_safe(px); + assert_se(x >= 0); + (void) unlink(px); + + assert_se(mmap_cache_add_fd(m, x, PROT_READ, &fx) > 0); + + y = mkostemp_safe(py); + assert_se(y >= 0); + (void) unlink(py); + + z = mkostemp_safe(pz); + assert_se(z >= 0); + (void) unlink(pz); + + r = mmap_cache_fd_get(fx, 0, false, 1, 2, NULL, &p); + assert_se(r >= 0); + + r = mmap_cache_fd_get(fx, 0, false, 2, 2, NULL, &q); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 1 == (uint8_t*) q); + + r = mmap_cache_fd_get(fx, 1, false, 3, 2, NULL, &q); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 2 == (uint8_t*) q); + + r = mmap_cache_fd_get(fx, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL, &p); + assert_se(r >= 0); + + r = mmap_cache_fd_get(fx, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL, &q); + assert_se(r >= 0); + + assert_se((uint8_t*) p + 1 == (uint8_t*) q); + + mmap_cache_fd_free(fx); + mmap_cache_unref(m); + + safe_close(x); + safe_close(y); + safe_close(z); + + return 0; +} |