129 lines
2.8 KiB
C
129 lines
2.8 KiB
C
#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) {
|
|
assert_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++) {
|
|
assert_d_eq(posix_memalign(&p, alignment, 1), EINVAL,
|
|
"Expected error for invalid alignment %zu",
|
|
alignment);
|
|
}
|
|
|
|
for (alignment = sizeof(size_t); alignment < MAXALIGN;
|
|
alignment <<= 1) {
|
|
assert_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
|
|
assert_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
|
|
assert_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
|
|
assert_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 += malloc_usable_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);
|
|
}
|