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Locking fix for AlreadyHave()

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Access to mapTransactions[] must be guarded by cs_mapTransactions lock.

Also, reformat long lines to make the switch statement more readable.
This commit is contained in:
Jeff Garzik 2012-04-13 18:24:55 -04:00 committed by Jeff Garzik
parent 6b8e7eefcc
commit 8deb9822e4
1 changed files with 11 additions and 2 deletions
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13
src/main.cpp
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@ -2137,8 +2137,17 @@ bool static AlreadyHave(CTxDB& txdb, const CInv& inv)
{
switch (inv.type)
{
case MSG_TX: return mapTransactions.count(inv.hash) || mapOrphanTransactions.count(inv.hash) || txdb.ContainsTx(inv.hash);
case MSG_BLOCK: return mapBlockIndex.count(inv.hash) || mapOrphanBlocks.count(inv.hash);
case MSG_TX:
{
LOCK(cs_mapTransactions);
return mapTransactions.count(inv.hash) ||
mapOrphanTransactions.count(inv.hash) ||
txdb.ContainsTx(inv.hash);
}
case MSG_BLOCK:
return mapBlockIndex.count(inv.hash) ||
mapOrphanBlocks.count(inv.hash);
}
// Don't know what it is, just say we already got one
return true;