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Merge #12842: Prevent concurrent savemempool

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585b47cfe1 rpc: Prevent concurrent savemempool (João Barbosa)

Pull request description:

  Follow up of #12172, this change prevents calling `savemempool` RPC concurrently.

Tree-SHA512: 4759a7107658a9794f5c6ab7e3e3002276abadd64996010be67a2791914d284db6fe0377c071a8d6a42387bfb0178f219b73aeec077ce5c4fe5c634a30b3e081
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Wladimir J. van der Laan 2018-10-24 15:19:44 +02:00
commit 2e15fa16cd
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src/validation.cpp
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@ -4766,6 +4766,9 @@ bool DumpMempool()
std::map<uint256, CAmount> mapDeltas;
std::vector<TxMempoolInfo> vinfo;
static Mutex dump_mutex;
LOCK(dump_mutex);
{
LOCK(mempool.cs);
for (const auto &i : mempool.mapDeltas) {