Mercurial > hg > memcached
comparison slabs.h @ 0:30782bb1fc04 MEMCACHED_1_2_3
memcached-1.2.3
| author | Maxim Dounin <mdounin@mdounin.ru> |
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| date | Sun, 23 Sep 2007 03:58:34 +0400 |
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| -1:000000000000 | 0:30782bb1fc04 |
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| 1 /* slabs memory allocation */ | |
| 2 | |
| 3 /* Init the subsystem. 1st argument is the limit on no. of bytes to allocate, | |
| 4 0 if no limit. 2nd argument is the growth factor; each slab will use a chunk | |
| 5 size equal to the previous slab's chunk size times this factor. */ | |
| 6 void slabs_init(const size_t limit, const double factor); | |
| 7 | |
| 8 | |
| 9 /* | |
| 10 * Given object size, return id to use when allocating/freeing memory for object | |
| 11 * 0 means error: can't store such a large object | |
| 12 */ | |
| 13 | |
| 14 unsigned int slabs_clsid(const size_t size); | |
| 15 | |
| 16 /* Allocate object of given length. 0 on error */ /*@null@*/ | |
| 17 void *do_slabs_alloc(const size_t size); | |
| 18 | |
| 19 /* Free previously allocated object */ | |
| 20 void do_slabs_free(void *ptr, size_t size); | |
| 21 | |
| 22 /* Fill buffer with stats */ /*@null@*/ | |
| 23 char* do_slabs_stats(int *buflen); | |
| 24 | |
| 25 /* Request some slab be moved between classes | |
| 26 1 = success | |
| 27 0 = fail | |
| 28 -1 = tried. busy. send again shortly. */ | |
| 29 int do_slabs_reassign(unsigned char srcid, unsigned char dstid); | |
| 30 |