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deps/jemalloc/src/bin.c
69 строк
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Oran Agra
Merge commit jemalloc 5.3.0
01 май 2023, 15:38
01 май 2023, 15:38
b8beda3
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#include "jemalloc/internal/jemalloc_preamble.h" #include "jemalloc/internal/jemalloc_internal_includes.h" #include "jemalloc/internal/assert.h" #include "jemalloc/internal/bin.h" #include "jemalloc/internal/sc.h" #include "jemalloc/internal/witness.h" bool bin_update_shard_size(unsigned bin_shard_sizes[SC_NBINS], size_t start_size, size_t end_size, size_t nshards) { if (nshards > BIN_SHARDS_MAX || nshards == 0) { return true; } if (start_size > SC_SMALL_MAXCLASS) { return false; } if (end_size > SC_SMALL_MAXCLASS) { end_size = SC_SMALL_MAXCLASS; } /* Compute the index since this may happen before sz init. */ szind_t ind1 = sz_size2index_compute(start_size); szind_t ind2 = sz_size2index_compute(end_size); for (unsigned i = ind1; i <= ind2; i++) { bin_shard_sizes[i] = (unsigned)nshards; } return false; } void bin_shard_sizes_boot(unsigned bin_shard_sizes[SC_NBINS]) { /* Load the default number of shards. */ for (unsigned i = 0; i < SC_NBINS; i++) { bin_shard_sizes[i] = N_BIN_SHARDS_DEFAULT; } } bool bin_init(bin_t *bin) { if (malloc_mutex_init(&bin->lock, "bin", WITNESS_RANK_BIN, malloc_mutex_rank_exclusive)) { return true; } bin->slabcur = NULL; edata_heap_new(&bin->slabs_nonfull); edata_list_active_init(&bin->slabs_full); if (config_stats) { memset(&bin->stats, 0, sizeof(bin_stats_t)); } return false; } void bin_prefork(tsdn_t *tsdn, bin_t *bin) { malloc_mutex_prefork(tsdn, &bin->lock); } void bin_postfork_parent(tsdn_t *tsdn, bin_t *bin) { malloc_mutex_postfork_parent(tsdn, &bin->lock); } void bin_postfork_child(tsdn_t *tsdn, bin_t *bin) { malloc_mutex_postfork_child(tsdn, &bin->lock); }