124 строки
2.7 KiB
C
124 строки
2.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#define JEMALLOC_MANGLE
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#include "jemalloc_test.h"
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#define CHUNK 0x400000
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/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
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#define MAXALIGN ((size_t)0x2000000LU)
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#define NITER 4
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int
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main(void)
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{
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size_t alignment, size, total;
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unsigned i;
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void *p, *ps[NITER];
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fprintf(stderr, "Test begin\n");
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/* Test error conditions. */
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alignment = 0;
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errno = 0;
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p = aligned_alloc(alignment, 1);
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if (p != NULL || errno != EINVAL) {
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fprintf(stderr,
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"Expected error for invalid alignment %zu\n", alignment);
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}
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for (alignment = sizeof(size_t); alignment < MAXALIGN;
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alignment <<= 1) {
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errno = 0;
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p = aligned_alloc(alignment + 1, 1);
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if (p != NULL || errno != EINVAL) {
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fprintf(stderr,
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"Expected error for invalid alignment %zu\n",
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alignment + 1);
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}
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}
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#if LG_SIZEOF_PTR == 3
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alignment = UINT64_C(0x8000000000000000);
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size = UINT64_C(0x8000000000000000);
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#else
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alignment = 0x80000000LU;
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size = 0x80000000LU;
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#endif
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errno = 0;
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p = aligned_alloc(alignment, size);
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if (p != NULL || errno != ENOMEM) {
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fprintf(stderr,
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"Expected error for aligned_alloc(%zu, %zu)\n",
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alignment, size);
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}
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#if LG_SIZEOF_PTR == 3
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alignment = UINT64_C(0x4000000000000000);
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size = UINT64_C(0x8400000000000001);
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#else
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alignment = 0x40000000LU;
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size = 0x84000001LU;
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#endif
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errno = 0;
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p = aligned_alloc(alignment, size);
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if (p != NULL || errno != ENOMEM) {
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fprintf(stderr,
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"Expected error for aligned_alloc(%zu, %zu)\n",
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alignment, size);
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}
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alignment = 0x10LU;
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#if LG_SIZEOF_PTR == 3
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size = UINT64_C(0xfffffffffffffff0);
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#else
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size = 0xfffffff0LU;
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#endif
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errno = 0;
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p = aligned_alloc(alignment, size);
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if (p != NULL || errno != ENOMEM) {
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fprintf(stderr,
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"Expected error for aligned_alloc(&p, %zu, %zu)\n",
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alignment, size);
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}
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for (i = 0; i < NITER; i++)
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ps[i] = NULL;
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for (alignment = 8;
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alignment <= MAXALIGN;
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alignment <<= 1) {
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total = 0;
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fprintf(stderr, "Alignment: %zu\n", alignment);
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for (size = 1;
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size < 3 * alignment && size < (1U << 31);
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size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
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for (i = 0; i < NITER; i++) {
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ps[i] = aligned_alloc(alignment, size);
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if (ps[i] == NULL) {
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fprintf(stderr,
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"Error for size %zu (%#zx): %s\n",
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size, size, strerror(errno));
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exit(1);
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}
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total += malloc_usable_size(ps[i]);
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if (total >= (MAXALIGN << 1))
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break;
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}
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for (i = 0; i < NITER; i++) {
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if (ps[i] != NULL) {
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free(ps[i]);
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ps[i] = NULL;
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}
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}
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}
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}
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fprintf(stderr, "Test end\n");
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return (0);
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}
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