cfdc8cfbd6
If mremap(2) is available and supports MREMAP_FIXED, use it for huge realloc(). Initialize rtree later during bootstrapping, so that --enable-debug --enable-dss works. Fix a minor swap_avail stats bug.
68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <assert.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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int
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main(void)
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{
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int ret, err;
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size_t sz, lg_chunk, chunksize, i;
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char *p, *q;
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fprintf(stderr, "Test begin\n");
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sz = sizeof(lg_chunk);
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if ((err = JEMALLOC_P(mallctl)("opt.lg_chunk", &lg_chunk, &sz, NULL,
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0))) {
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assert(err != ENOENT);
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fprintf(stderr, "%s(): Error in mallctl(): %s\n", __func__,
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strerror(err));
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ret = 1;
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goto RETURN;
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}
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chunksize = ((size_t)1U) << lg_chunk;
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p = (char *)malloc(chunksize);
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if (p == NULL) {
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fprintf(stderr, "malloc(%zu) --> %p\n", chunksize, p);
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ret = 1;
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goto RETURN;
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}
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memset(p, 'a', chunksize);
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q = (char *)realloc(p, chunksize * 2);
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if (q == NULL) {
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fprintf(stderr, "realloc(%p, %zu) --> %p\n", p, chunksize * 2,
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q);
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ret = 1;
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goto RETURN;
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}
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for (i = 0; i < chunksize; i++) {
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assert(q[i] == 'a');
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}
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p = q;
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q = (char *)realloc(p, chunksize);
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if (q == NULL) {
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fprintf(stderr, "realloc(%p, %zu) --> %p\n", p, chunksize, q);
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ret = 1;
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goto RETURN;
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}
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for (i = 0; i < chunksize; i++) {
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assert(q[i] == 'a');
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}
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free(q);
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ret = 0;
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RETURN:
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fprintf(stderr, "Test end\n");
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return (ret);
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}
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