| 516 | } |
| 517 | |
| 518 | int jemalloc_purge() { |
| 519 | /* return all unused (reserved) pages to the OS */ |
| 520 | char tmp[32]; |
| 521 | unsigned narenas = 0; |
| 522 | size_t sz = sizeof(unsigned); |
| 523 | if (!mallctl("arenas.narenas", &narenas, &sz, NULL, 0)) { |
| 524 | snprintf(tmp, sizeof(tmp), "arena.%d.purge", narenas); |
| 525 | if (!mallctl(tmp, NULL, 0, NULL, 0)) |
| 526 | return 0; |
| 527 | } |
| 528 | return -1; |
| 529 | } |
| 530 | |
| 531 | #else |
| 532 |
no outgoing calls
no test coverage detected