summaryrefslogtreecommitdiffstats
path: root/deps/jemalloc/test/integration/posix_memalign.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 13:40:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 13:40:54 +0000
commit317c0644ccf108aa23ef3fd8358bd66c2840bfc0 (patch)
treec417b3d25c86b775989cb5ac042f37611b626c8a /deps/jemalloc/test/integration/posix_memalign.c
parentInitial commit. (diff)
downloadredis-317c0644ccf108aa23ef3fd8358bd66c2840bfc0.tar.xz
redis-317c0644ccf108aa23ef3fd8358bd66c2840bfc0.zip
Adding upstream version 5:7.2.4.upstream/5%7.2.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'deps/jemalloc/test/integration/posix_memalign.c')
-rw-r--r--deps/jemalloc/test/integration/posix_memalign.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/deps/jemalloc/test/integration/posix_memalign.c b/deps/jemalloc/test/integration/posix_memalign.c
new file mode 100644
index 0000000..2da0549
--- /dev/null
+++ b/deps/jemalloc/test/integration/posix_memalign.c
@@ -0,0 +1,128 @@
+#include "test/jemalloc_test.h"
+
+#define MAXALIGN (((size_t)1) << 23)
+
+/*
+ * On systems which can't merge extents, tests that call this function generate
+ * a lot of dirty memory very quickly. Purging between cycles mitigates
+ * potential OOM on e.g. 32-bit Windows.
+ */
+static void
+purge(void) {
+ expect_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
+ "Unexpected mallctl error");
+}
+
+TEST_BEGIN(test_alignment_errors) {
+ size_t alignment;
+ void *p;
+
+ for (alignment = 0; alignment < sizeof(void *); alignment++) {
+ expect_d_eq(posix_memalign(&p, alignment, 1), EINVAL,
+ "Expected error for invalid alignment %zu",
+ alignment);
+ }
+
+ for (alignment = sizeof(size_t); alignment < MAXALIGN;
+ alignment <<= 1) {
+ expect_d_ne(posix_memalign(&p, alignment + 1, 1), 0,
+ "Expected error for invalid alignment %zu",
+ alignment + 1);
+ }
+}
+TEST_END
+
+TEST_BEGIN(test_oom_errors) {
+ size_t alignment, size;
+ void *p;
+
+#if LG_SIZEOF_PTR == 3
+ alignment = UINT64_C(0x8000000000000000);
+ size = UINT64_C(0x8000000000000000);
+#else
+ alignment = 0x80000000LU;
+ size = 0x80000000LU;
+#endif
+ expect_d_ne(posix_memalign(&p, alignment, size), 0,
+ "Expected error for posix_memalign(&p, %zu, %zu)",
+ alignment, size);
+
+#if LG_SIZEOF_PTR == 3
+ alignment = UINT64_C(0x4000000000000000);
+ size = UINT64_C(0xc000000000000001);
+#else
+ alignment = 0x40000000LU;
+ size = 0xc0000001LU;
+#endif
+ expect_d_ne(posix_memalign(&p, alignment, size), 0,
+ "Expected error for posix_memalign(&p, %zu, %zu)",
+ alignment, size);
+
+ alignment = 0x10LU;
+#if LG_SIZEOF_PTR == 3
+ size = UINT64_C(0xfffffffffffffff0);
+#else
+ size = 0xfffffff0LU;
+#endif
+ expect_d_ne(posix_memalign(&p, alignment, size), 0,
+ "Expected error for posix_memalign(&p, %zu, %zu)",
+ alignment, size);
+}
+TEST_END
+
+TEST_BEGIN(test_alignment_and_size) {
+#define NITER 4
+ size_t alignment, size, total;
+ unsigned i;
+ int err;
+ void *ps[NITER];
+
+ for (i = 0; i < NITER; i++) {
+ ps[i] = NULL;
+ }
+
+ for (alignment = 8;
+ alignment <= MAXALIGN;
+ alignment <<= 1) {
+ total = 0;
+ for (size = 0;
+ size < 3 * alignment && size < (1U << 31);
+ size += ((size == 0) ? 1 :
+ (alignment >> (LG_SIZEOF_PTR-1)) - 1)) {
+ for (i = 0; i < NITER; i++) {
+ err = posix_memalign(&ps[i],
+ alignment, size);
+ if (err) {
+ char buf[BUFERROR_BUF];
+
+ buferror(get_errno(), buf, sizeof(buf));
+ test_fail(
+ "Error for alignment=%zu, "
+ "size=%zu (%#zx): %s",
+ alignment, size, size, buf);
+ }
+ total += TEST_MALLOC_SIZE(ps[i]);
+ if (total >= (MAXALIGN << 1)) {
+ break;
+ }
+ }
+ for (i = 0; i < NITER; i++) {
+ if (ps[i] != NULL) {
+ free(ps[i]);
+ ps[i] = NULL;
+ }
+ }
+ }
+ purge();
+ }
+#undef NITER
+}
+TEST_END
+
+int
+main(void) {
+ return test(
+ test_alignment_errors,
+ test_oom_errors,
+ test_alignment_and_size);
+}