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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#define JEMALLOC_MANGLE
#include "jemalloc_test.h"
#define CHUNK 0x400000
/* #define MAXALIGN ((size_t)0x80000000000LLU) */
#define MAXALIGN ((size_t)0x2000000LLU)
#define NITER 4
int
main(void)
{
size_t alignment, size, total;
unsigned i;
int err;
void *p, *ps[NITER];
fprintf(stderr, "Test begin\n");
/* Test error conditions. */
for (alignment = 0; alignment < sizeof(void *); alignment++) {
err = JEMALLOC_P(posix_memalign)(&p, alignment, 1);
if (err != EINVAL) {
fprintf(stderr,
"Expected error for invalid alignment %zu\n",
alignment);
}
}
for (alignment = sizeof(size_t); alignment < MAXALIGN;
alignment <<= 1) {
err = JEMALLOC_P(posix_memalign)(&p, alignment + 1, 1);
if (err == 0) {
fprintf(stderr,
"Expected error for invalid alignment %zu\n",
alignment + 1);
}
}
#if LG_SIZEOF_PTR == 3
alignment = 0x8000000000000000LLU;
size = 0x8000000000000000LLU;
#else
alignment = 0x80000000LU;
size = 0x80000000LU;
#endif
err = JEMALLOC_P(posix_memalign)(&p, alignment, size);
if (err == 0) {
fprintf(stderr,
"Expected error for posix_memalign(&p, %zu, %zu)\n",
alignment, size);
}
#if LG_SIZEOF_PTR == 3
alignment = 0x4000000000000000LLU;
size = 0x8400000000000001LLU;
#else
alignment = 0x40000000LU;
size = 0x84000001LU;
#endif
err = JEMALLOC_P(posix_memalign)(&p, alignment, size);
if (err == 0) {
fprintf(stderr,
"Expected error for posix_memalign(&p, %zu, %zu)\n",
alignment, size);
}
alignment = 0x10LLU;
#if LG_SIZEOF_PTR == 3
size = 0xfffffffffffffff0LLU;
#else
size = 0xfffffff0LU;
#endif
err = JEMALLOC_P(posix_memalign)(&p, alignment, size);
if (err == 0) {
fprintf(stderr,
"Expected error for posix_memalign(&p, %zu, %zu)\n",
alignment, size);
}
for (i = 0; i < NITER; i++)
ps[i] = NULL;
for (alignment = 8;
alignment <= MAXALIGN;
alignment <<= 1) {
total = 0;
fprintf(stderr, "Alignment: %zu\n", alignment);
for (size = 1;
size < 3 * alignment && size < (1U << 31);
size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
for (i = 0; i < NITER; i++) {
err = JEMALLOC_P(posix_memalign)(&ps[i],
alignment, size);
if (err) {
fprintf(stderr,
"Error for size %zu (0x%zx): %s\n",
size, size, strerror(err));
exit(1);
}
total += JEMALLOC_P(malloc_usable_size)(ps[i]);
if (total >= (MAXALIGN << 1))
break;
}
for (i = 0; i < NITER; i++) {
if (ps[i] != NULL) {
JEMALLOC_P(free)(ps[i]);
ps[i] = NULL;
}
}
}
}
fprintf(stderr, "Test end\n");
return (0);
}
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