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threadpool: guard against exceptions in jobs, and armour plating

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Those would, if uncaught, exit run and leave the waiter to wait
indefinitely for the number of active jobs to reach 0
This commit is contained in:
moneromooo-monero 2020-08-12 22:13:29 +00:00
parent 5d850dde99
commit 6a37da837e
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GPG key ID: 686F07454D6CEFC3
8 changed files with 72 additions and 60 deletions
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16
src/cryptonote_core/blockchain.cpp
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@ -3250,8 +3250,7 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
results.resize(tx.vin.size(), 0);
tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter;
const auto waiter_guard = epee::misc_utils::create_scope_leave_handler([&]() { waiter.wait(&tpool); });
tools::threadpool::waiter waiter(tpool);
int threads = tpool.get_max_concurrency();
uint64_t max_used_block_height = 0;
@ -3321,7 +3320,8 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc,
sig_index++;
}
if (tx.version == 1 && threads > 1)
waiter.wait(&tpool);
if (!waiter.wait())
return false;
// enforce min output age
if (hf_version >= HF_VERSION_ENFORCE_MIN_AGE)
@ -4845,7 +4845,7 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::vector<block_complete
{
m_blocks_longhash_table.clear();
uint64_t thread_height = height;
tools::threadpool::waiter waiter;
tools::threadpool::waiter waiter(tpool);
m_prepare_height = height;
m_prepare_nblocks = blocks_entry.size();
m_prepare_blocks = &blocks;
@ -4858,7 +4858,8 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::vector<block_complete
thread_height += nblocks;
}
waiter.wait(&tpool);
if (!waiter.wait())
return false;
m_prepare_height = 0;
if (m_cancel)
@ -4992,14 +4993,15 @@ bool Blockchain::prepare_handle_incoming_blocks(const std::vector<block_complete
if (threads > 1 && amounts.size() > 1)
{
tools::threadpool::waiter waiter;
tools::threadpool::waiter waiter(tpool);
for (size_t i = 0; i < amounts.size(); i++)
{
uint64_t amount = amounts[i];
tpool.submit(&waiter, boost::bind(&Blockchain::output_scan_worker, this, amount, std::cref(offset_map[amount]), std::ref(tx_map[amount])), true);
}
waiter.wait(&tpool);
if (!waiter.wait())
return false;
}
else
{