1、内存申请函数调用
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write_master->write_master_dim->write_master_bin_ops
->write_master_bin_ops_loop->as_bin_particle_alloc_from_client:
该函数对as_bin_s->particle进行申请内存,并将相关bin属性和值load到
申请的内存中。
2、内存释放函数调用
as_record_done->as_record_destroy->as_record_clean_bins
->as_record_clean_bins_from
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void as_record_clean_bins_from(as_storage_rd *rd, uint16_t from)
-
{
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for (uint16_t i = from; i < rd->n_bins; i++) {
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//对每个bin进行释放
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as_bin *b = &rd->bins[i];
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if (as_bin_inuse(b)) {//bin state有效
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as_bin_particle_destroy(b, rd->ns->storage_data_in_memory);
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as_bin_set_empty(b);//设置bin的状态AS_BIN_STATE_UNUSED
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}
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}
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}
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void as_bin_particle_destroy(as_bin *b, bool free_particle)
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{
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if (as_bin_is_embedded_particle(b)) {
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b->particle = 0;//int、float类型没有申请空间,这里set 0即可
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}
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else if (b->particle) {
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if (free_particle) {
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particle_vtable[as_bin_get_particle_type(b)]->destructor_fn(b->particle);
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}
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//根据类型调用destructor函数,blob的调用blob_destruct,其实是cf_free(p)
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//释放了空间,将其set 0
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b->particle = 0;
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}
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}
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