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Allow SendMessages to run partially without cs_main

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SendMessages() tries to acquire a cs_main lock now, but this isn't nessecary
for much of its functionality. Move those parts out of the locked section,
so they can always be performed, and we hold cs_main for a shorter time.
This commit is contained in:
Pieter Wuille 2013-07-20 14:34:16 +02:00
parent 38d15d8b42
commit 6055b9101b
1 changed files with 18 additions and 16 deletions
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34
src/main.cpp
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@ -4134,8 +4134,7 @@ bool ProcessMessages(CNode* pfrom)
bool SendMessages(CNode* pto, bool fSendTrickle) bool SendMessages(CNode* pto, bool fSendTrickle)
{ {
TRY_LOCK(cs_main, lockMain); {
if (lockMain) {
// Don't send anything until we get their version message // Don't send anything until we get their version message
if (pto->nVersion == 0) if (pto->nVersion == 0)
return true; return true;
@ -4170,20 +4169,6 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
} }
} }
// Start block sync
if (pto->fStartSync && !fImporting && !fReindex) {
pto->fStartSync = false;
PushGetBlocks(pto, chainActive.Tip(), uint256(0));
}
// Resend wallet transactions that haven't gotten in a block yet
// Except during reindex, importing and IBD, when old wallet
// transactions become unconfirmed and spams other nodes.
if (!fReindex && !fImporting && !IsInitialBlockDownload())
{
ResendWalletTransactions();
}
// Address refresh broadcast // Address refresh broadcast
static int64 nLastRebroadcast; static int64 nLastRebroadcast;
if (!IsInitialBlockDownload() && (GetTime() - nLastRebroadcast > 24 * 60 * 60)) if (!IsInitialBlockDownload() && (GetTime() - nLastRebroadcast > 24 * 60 * 60))
@ -4234,6 +4219,23 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
pto->PushMessage("addr", vAddr); pto->PushMessage("addr", vAddr);
} }
TRY_LOCK(cs_main, lockMain);
if (!lockMain)
return true;
// Start block sync
if (pto->fStartSync && !fImporting && !fReindex) {
pto->fStartSync = false;
PushGetBlocks(pto, chainActive.Tip(), uint256(0));
}
// Resend wallet transactions that haven't gotten in a block yet
// Except during reindex, importing and IBD, when old wallet
// transactions become unconfirmed and spams other nodes.
if (!fReindex && !fImporting && !IsInitialBlockDownload())
{
ResendWalletTransactions();
}
// //
// Message: inventory // Message: inventory