2fa4cb69b6
Signed-off-by: Lakshmi Narayanan Sreethar <lakshmi.sreethar@scylladb.com>
(cherry picked from commit c49f6391ab)
38 lines
798 B
C++
38 lines
798 B
C++
/*
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#include "large_bitset.hh"
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#include <seastar/core/align.hh>
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#include <seastar/core/thread.hh>
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using namespace seastar;
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large_bitset::large_bitset(size_t nr_bits) : _nr_bits(nr_bits) {
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assert(thread::running_in_thread());
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size_t nr_ints = align_up(nr_bits, bits_per_int()) / bits_per_int();
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while (_storage.capacity() != nr_ints) {
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_storage.reserve_partial(nr_ints);
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thread::maybe_yield();
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}
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while (nr_ints) {
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_storage.push_back(0);
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--nr_ints;
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thread::maybe_yield();
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}
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}
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void
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large_bitset::clear() {
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assert(thread::running_in_thread());
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for (auto&& pos: _storage) {
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pos = 0;
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thread::maybe_yield();
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}
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}
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