summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--.gitignore1
-rw-r--r--src/journal/test-mmap-cache.c79
2 files changed, 80 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index cc904f19ed..db7fcdfcff 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/test-mmap-cache
/test-unit-file
/test-log
/test-journal-verify
diff --git a/src/journal/test-mmap-cache.c b/src/journal/test-mmap-cache.c
new file mode 100644
index 0000000000..e2ffaf4723
--- /dev/null
+++ b/src/journal/test-mmap-cache.c
@@ -0,0 +1,79 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 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 <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include "log.h"
+#include "macro.h"
+#include "util.h"
+#include "mmap-cache.h"
+
+int main(int argc, char *argv[]) {
+ int x, y, z, r;
+ char px[] = "/tmp/testmmapXXXXXXX", py[] = "/tmp/testmmapYXXXXXX", pz[] = "/tmp/testmmapZXXXXXX";
+ MMapCache *m;
+ void *p, *q;
+
+ assert_se(m = mmap_cache_new());
+
+ x = mkstemp(px);
+ assert(x >= 0);
+ unlink(px);
+
+ y = mkstemp(py);
+ assert(y >= 0);
+ unlink(py);
+
+ z = mkstemp(pz);
+ assert(z >= 0);
+ unlink(pz);
+
+ r = mmap_cache_get(m, x, PROT_READ, 0, false, 1, 2, NULL, &p);
+ assert(r >= 0);
+
+ r = mmap_cache_get(m, x, PROT_READ, 0, false, 2, 2, NULL, &q);
+ assert(r >= 0);
+
+ assert((uint8_t*) p + 1 == (uint8_t*) q);
+
+ r = mmap_cache_get(m, x, PROT_READ, 1, false, 3, 2, NULL, &q);
+ assert(r >= 0);
+
+ assert((uint8_t*) p + 2 == (uint8_t*) q);
+
+ r = mmap_cache_get(m, x, PROT_READ, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL, &p);
+ assert(r >= 0);
+
+ r = mmap_cache_get(m, x, PROT_READ, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL, &q);
+ assert(r >= 0);
+
+ assert((uint8_t*) p + 1 == (uint8_t*) q);
+
+ mmap_cache_unref(m);
+
+ close_nointr_nofail(x);
+ close_nointr_nofail(y);
+ close_nointr_nofail(z);
+
+ return 0;
+}