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comparison: memory/jemalloc/src/test/ALLOCM_ARENA.c
memory/jemalloc/src/test/ALLOCM_ARENA.c
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:a1cda71c4cf8 |
|---|---|
| 1 #define JEMALLOC_MANGLE | |
| 2 #include "jemalloc_test.h" | |
| 3 | |
| 4 #define NTHREADS 10 | |
| 5 | |
| 6 void * | |
| 7 je_thread_start(void *arg) | |
| 8 { | |
| 9 unsigned thread_ind = (unsigned)(uintptr_t)arg; | |
| 10 unsigned arena_ind; | |
| 11 int r; | |
| 12 void *p; | |
| 13 size_t rsz, sz; | |
| 14 | |
| 15 sz = sizeof(arena_ind); | |
| 16 if (mallctl("arenas.extend", &arena_ind, &sz, NULL, 0) | |
| 17 != 0) { | |
| 18 malloc_printf("Error in arenas.extend\n"); | |
| 19 abort(); | |
| 20 } | |
| 21 | |
| 22 if (thread_ind % 4 != 3) { | |
| 23 size_t mib[3]; | |
| 24 size_t miblen = sizeof(mib) / sizeof(size_t); | |
| 25 const char *dss_precs[] = {"disabled", "primary", "secondary"}; | |
| 26 const char *dss = dss_precs[thread_ind % 4]; | |
| 27 if (mallctlnametomib("arena.0.dss", mib, &miblen) != 0) { | |
| 28 malloc_printf("Error in mallctlnametomib()\n"); | |
| 29 abort(); | |
| 30 } | |
| 31 mib[1] = arena_ind; | |
| 32 if (mallctlbymib(mib, miblen, NULL, NULL, (void *)&dss, | |
| 33 sizeof(const char *))) { | |
| 34 malloc_printf("Error in mallctlbymib()\n"); | |
| 35 abort(); | |
| 36 } | |
| 37 } | |
| 38 | |
| 39 r = allocm(&p, &rsz, 1, ALLOCM_ARENA(arena_ind)); | |
| 40 if (r != ALLOCM_SUCCESS) { | |
| 41 malloc_printf("Unexpected allocm() error\n"); | |
| 42 abort(); | |
| 43 } | |
| 44 | |
| 45 return (NULL); | |
| 46 } | |
| 47 | |
| 48 int | |
| 49 main(void) | |
| 50 { | |
| 51 je_thread_t threads[NTHREADS]; | |
| 52 unsigned i; | |
| 53 | |
| 54 malloc_printf("Test begin\n"); | |
| 55 | |
| 56 for (i = 0; i < NTHREADS; i++) { | |
| 57 je_thread_create(&threads[i], je_thread_start, | |
| 58 (void *)(uintptr_t)i); | |
| 59 } | |
| 60 | |
| 61 for (i = 0; i < NTHREADS; i++) | |
| 62 je_thread_join(threads[i], NULL); | |
| 63 | |
| 64 malloc_printf("Test end\n"); | |
| 65 return (0); | |
| 66 } |
