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Allow lengthy block reconnections to be interrupted

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When the coin database is out of date with the block database, the
best block in it is automatically switched to. This reconnection
process can take time, so allow it to be interrupted.

This also stops block connection as soon as shutdown is requested,
leading to a faster shutdown.
This commit is contained in:
Pieter Wuille
2012-12-04 23:53:26 +01:00
parent c8b2e4426b
commit 3fb9b99cca
4 changed files with 11 additions and 8 deletions
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7
src/main.cpp
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@@ -1240,9 +1240,12 @@ bool ConnectBestBlock() {
if (pindexTest->pprev == NULL || pindexTest->pnext != NULL) {
reverse(vAttach.begin(), vAttach.end());
BOOST_FOREACH(CBlockIndex *pindexSwitch, vAttach)
BOOST_FOREACH(CBlockIndex *pindexSwitch, vAttach) {
if (fRequestShutdown)
break;
if (!SetBestChain(pindexSwitch))
return false;
}
return true;
}
pindexTest = pindexTest->pprev;
@@ -2553,7 +2556,7 @@ bool LoadExternalBlockFile(FILE* fileIn, CDiskBlockPos *dbp)
}
}
uint64 nRewind = blkdat.GetPos();
while (blkdat.good() && !blkdat.eof() && !fShutdown) {
while (blkdat.good() && !blkdat.eof() && !fRequestShutdown) {
blkdat.SetPos(nRewind);
nRewind++; // start one byte further next time, in case of failure
blkdat.SetLimit(); // remove former limit