memory/jemalloc/src/test/mremap.c@6474c204b198 (annotated)
memory/jemalloc/src/test/mremap.c
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | #define JEMALLOC_MANGLE |
| michael@0 | 2 | #include "jemalloc_test.h" |
| michael@0 | 3 | |
| michael@0 | 4 | int |
| michael@0 | 5 | main(void) |
| michael@0 | 6 | { |
| michael@0 | 7 | int ret, err; |
| michael@0 | 8 | size_t sz, lg_chunk, chunksize, i; |
| michael@0 | 9 | char *p, *q; |
| michael@0 | 10 | |
| michael@0 | 11 | malloc_printf("Test begin\n"); |
| michael@0 | 12 | |
| michael@0 | 13 | sz = sizeof(lg_chunk); |
| michael@0 | 14 | if ((err = mallctl("opt.lg_chunk", &lg_chunk, &sz, NULL, 0))) { |
| michael@0 | 15 | assert(err != ENOENT); |
| michael@0 | 16 | malloc_printf("%s(): Error in mallctl(): %s\n", __func__, |
| michael@0 | 17 | strerror(err)); |
| michael@0 | 18 | ret = 1; |
| michael@0 | 19 | goto label_return; |
| michael@0 | 20 | } |
| michael@0 | 21 | chunksize = ((size_t)1U) << lg_chunk; |
| michael@0 | 22 | |
| michael@0 | 23 | p = (char *)malloc(chunksize); |
| michael@0 | 24 | if (p == NULL) { |
| michael@0 | 25 | malloc_printf("malloc(%zu) --> %p\n", chunksize, p); |
| michael@0 | 26 | ret = 1; |
| michael@0 | 27 | goto label_return; |
| michael@0 | 28 | } |
| michael@0 | 29 | memset(p, 'a', chunksize); |
| michael@0 | 30 | |
| michael@0 | 31 | q = (char *)realloc(p, chunksize * 2); |
| michael@0 | 32 | if (q == NULL) { |
| michael@0 | 33 | malloc_printf("realloc(%p, %zu) --> %p\n", p, chunksize * 2, |
| michael@0 | 34 | q); |
| michael@0 | 35 | ret = 1; |
| michael@0 | 36 | goto label_return; |
| michael@0 | 37 | } |
| michael@0 | 38 | for (i = 0; i < chunksize; i++) { |
| michael@0 | 39 | assert(q[i] == 'a'); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | p = q; |
| michael@0 | 43 | |
| michael@0 | 44 | q = (char *)realloc(p, chunksize); |
| michael@0 | 45 | if (q == NULL) { |
| michael@0 | 46 | malloc_printf("realloc(%p, %zu) --> %p\n", p, chunksize, q); |
| michael@0 | 47 | ret = 1; |
| michael@0 | 48 | goto label_return; |
| michael@0 | 49 | } |
| michael@0 | 50 | for (i = 0; i < chunksize; i++) { |
| michael@0 | 51 | assert(q[i] == 'a'); |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | free(q); |
| michael@0 | 55 | |
| michael@0 | 56 | ret = 0; |
| michael@0 | 57 | label_return: |
| michael@0 | 58 | malloc_printf("Test end\n"); |
| michael@0 | 59 | return (ret); |
| michael@0 | 60 | } |
