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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2a2507e6 | 2 | /*** |
2a2507e6 | 3 | Copyright 2012 Lennart Poettering |
2a2507e6 LP |
4 | ***/ |
5 | ||
0d39fa9c | 6 | #include <fcntl.h> |
2a2507e6 LP |
7 | #include <stdlib.h> |
8 | #include <sys/mman.h> | |
9 | #include <unistd.h> | |
10 | ||
3ffd4af2 | 11 | #include "fd-util.h" |
0d39fa9c | 12 | #include "fileio.h" |
2a2507e6 | 13 | #include "macro.h" |
2a2507e6 | 14 | #include "mmap-cache.h" |
3ffd4af2 | 15 | #include "util.h" |
2a2507e6 LP |
16 | |
17 | int main(int argc, char *argv[]) { | |
be7cdd8e | 18 | MMapFileDescriptor *fx; |
2a2507e6 LP |
19 | int x, y, z, r; |
20 | char px[] = "/tmp/testmmapXXXXXXX", py[] = "/tmp/testmmapYXXXXXX", pz[] = "/tmp/testmmapZXXXXXX"; | |
21 | MMapCache *m; | |
22 | void *p, *q; | |
23 | ||
24 | assert_se(m = mmap_cache_new()); | |
25 | ||
646853bd | 26 | x = mkostemp_safe(px); |
787784c4 | 27 | assert_se(x >= 0); |
2a2507e6 LP |
28 | unlink(px); |
29 | ||
be7cdd8e VC |
30 | assert_se(fx = mmap_cache_add_fd(m, x)); |
31 | ||
646853bd | 32 | y = mkostemp_safe(py); |
787784c4 | 33 | assert_se(y >= 0); |
2a2507e6 LP |
34 | unlink(py); |
35 | ||
646853bd | 36 | z = mkostemp_safe(pz); |
787784c4 | 37 | assert_se(z >= 0); |
2a2507e6 LP |
38 | unlink(pz); |
39 | ||
b42549ad | 40 | r = mmap_cache_get(m, fx, PROT_READ, 0, false, 1, 2, NULL, &p, NULL); |
787784c4 | 41 | assert_se(r >= 0); |
2a2507e6 | 42 | |
b42549ad | 43 | r = mmap_cache_get(m, fx, PROT_READ, 0, false, 2, 2, NULL, &q, NULL); |
787784c4 | 44 | assert_se(r >= 0); |
2a2507e6 | 45 | |
787784c4 | 46 | assert_se((uint8_t*) p + 1 == (uint8_t*) q); |
2a2507e6 | 47 | |
b42549ad | 48 | r = mmap_cache_get(m, fx, PROT_READ, 1, false, 3, 2, NULL, &q, NULL); |
787784c4 | 49 | assert_se(r >= 0); |
2a2507e6 | 50 | |
787784c4 | 51 | assert_se((uint8_t*) p + 2 == (uint8_t*) q); |
2a2507e6 | 52 | |
b42549ad | 53 | r = mmap_cache_get(m, fx, PROT_READ, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL, &p, NULL); |
787784c4 | 54 | assert_se(r >= 0); |
2a2507e6 | 55 | |
b42549ad | 56 | r = mmap_cache_get(m, fx, PROT_READ, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL, &q, NULL); |
787784c4 | 57 | assert_se(r >= 0); |
2a2507e6 | 58 | |
787784c4 | 59 | assert_se((uint8_t*) p + 1 == (uint8_t*) q); |
2a2507e6 | 60 | |
be7cdd8e | 61 | mmap_cache_free_fd(m, fx); |
2a2507e6 LP |
62 | mmap_cache_unref(m); |
63 | ||
03e334a1 LP |
64 | safe_close(x); |
65 | safe_close(y); | |
66 | safe_close(z); | |
2a2507e6 LP |
67 | |
68 | return 0; | |
69 | } |