0a5489e37d
Add the --with-mangling configure option, which can be used to specify name mangling on a per public symbol basis that takes precedence over --with-jemalloc-prefix. Expose the memalign() and valloc() overrides even if --with-jemalloc-prefix is specified. This change does no real harm, and simplifies the code.
122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.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)0x80000000000LLU) */
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#define MAXALIGN ((size_t)0x2000000LLU)
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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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int err;
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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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for (alignment = 0; alignment < sizeof(void *); alignment++) {
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err = posix_memalign(&p, alignment, 1);
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if (err != EINVAL) {
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fprintf(stderr,
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"Expected error for invalid alignment %zu\n",
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alignment);
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}
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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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err = posix_memalign(&p, alignment + 1, 1);
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if (err == 0) {
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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 = 0x8000000000000000LLU;
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size = 0x8000000000000000LLU;
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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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err = posix_memalign(&p, alignment, size);
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if (err == 0) {
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fprintf(stderr,
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"Expected error for posix_memalign(&p, %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 = 0x4000000000000000LLU;
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size = 0x8400000000000001LLU;
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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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err = posix_memalign(&p, alignment, size);
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if (err == 0) {
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fprintf(stderr,
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"Expected error for posix_memalign(&p, %zu, %zu)\n",
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alignment, size);
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}
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alignment = 0x10LLU;
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#if LG_SIZEOF_PTR == 3
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size = 0xfffffffffffffff0LLU;
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#else
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size = 0xfffffff0LU;
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#endif
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err = posix_memalign(&p, alignment, size);
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if (err == 0) {
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fprintf(stderr,
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"Expected error for posix_memalign(&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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err = posix_memalign(&ps[i],
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alignment, size);
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if (err) {
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fprintf(stderr,
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"Error for size %zu (0x%zx): %s\n",
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size, size, strerror(err));
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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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