• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 #include "jemalloc/internal/jemalloc_preamble.h"
2 #include "jemalloc/internal/jemalloc_internal_includes.h"
3 
4 #include "jemalloc/internal/bin.h"
5 #include "jemalloc/internal/witness.h"
6 
7 const bin_info_t bin_infos[NBINS] = {
8 #define BIN_INFO_bin_yes(reg_size, slab_size, nregs)			\
9 	{reg_size, slab_size, nregs, BITMAP_INFO_INITIALIZER(nregs)},
10 #define BIN_INFO_bin_no(reg_size, slab_size, nregs)
11 #define SC(index, lg_grp, lg_delta, ndelta, psz, bin, pgs,		\
12     lg_delta_lookup)							\
13 	BIN_INFO_bin_##bin((1U<<lg_grp) + (ndelta<<lg_delta),		\
14 	    (pgs << LG_PAGE), (pgs << LG_PAGE) / ((1U<<lg_grp) +	\
15 	    (ndelta<<lg_delta)))
16 	SIZE_CLASSES
17 #undef BIN_INFO_bin_yes
18 #undef BIN_INFO_bin_no
19 #undef SC
20 };
21 
22 bool
bin_init(bin_t * bin)23 bin_init(bin_t *bin) {
24 	if (malloc_mutex_init(&bin->lock, "bin", WITNESS_RANK_BIN,
25 	    malloc_mutex_rank_exclusive)) {
26 		return true;
27 	}
28 	bin->slabcur = NULL;
29 	extent_heap_new(&bin->slabs_nonfull);
30 	extent_list_init(&bin->slabs_full);
31 	if (config_stats) {
32 		memset(&bin->stats, 0, sizeof(bin_stats_t));
33 	}
34 	return false;
35 }
36 
37 void
bin_prefork(tsdn_t * tsdn,bin_t * bin)38 bin_prefork(tsdn_t *tsdn, bin_t *bin) {
39 	malloc_mutex_prefork(tsdn, &bin->lock);
40 }
41 
42 void
bin_postfork_parent(tsdn_t * tsdn,bin_t * bin)43 bin_postfork_parent(tsdn_t *tsdn, bin_t *bin) {
44 	malloc_mutex_postfork_parent(tsdn, &bin->lock);
45 }
46 
47 void
bin_postfork_child(tsdn_t * tsdn,bin_t * bin)48 bin_postfork_child(tsdn_t *tsdn, bin_t *bin) {
49 	malloc_mutex_postfork_child(tsdn, &bin->lock);
50 }
51