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Merge pull request #1052 from sipa/scopedlocks

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Use scoped locks instead of CRITICAL_BLOCK
This commit is contained in:
Pieter Wuille
2012-04-09 13:25:17 -07:00
parent 1044391135 f342dac1cb
commit 1a275bac2b
19 changed files with 300 additions and 204 deletions
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23
src/db.cpp
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@@ -72,8 +72,8 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
if (fCreate)
nFlags |= DB_CREATE;
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
if (!fDbEnvInit)
{
if (fShutdown)
@@ -128,8 +128,10 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL)
{
delete pdb;
pdb = NULL;
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
--mapFileUseCount[strFile];
}
strFile = "";
throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret));
}
@@ -167,14 +169,16 @@ void CDB::Close()
dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100)*1024 : 0, nMinutes, 0);
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
--mapFileUseCount[strFile];
}
}
void static CloseDb(const string& strFile)
{
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
if (mapDb[strFile] != NULL)
{
// Close the database handle
@@ -190,8 +194,8 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
{
while (!fShutdown)
{
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
{
// Flush log data to the dat file
@@ -288,8 +292,8 @@ void DBFlush(bool fShutdown)
printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started");
if (!fDbEnvInit)
return;
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
map<string, int>::iterator mi = mapFileUseCount.begin();
while (mi != mapFileUseCount.end())
{
@@ -879,8 +883,8 @@ int CWalletDB::LoadWallet(CWallet* pwallet)
bool fIsEncrypted = false;
//// todo: shouldn't we catch exceptions and try to recover and continue?
CRITICAL_BLOCK(pwallet->cs_wallet)
{
LOCK(pwallet->cs_wallet);
int nMinVersion = 0;
if (Read((string)"minversion", nMinVersion))
{
@@ -1121,7 +1125,8 @@ void ThreadFlushWalletDB(void* parg)
if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2)
{
TRY_CRITICAL_BLOCK(cs_db)
TRY_LOCK(cs_db,lockDb);
if (lockDb)
{
// Don't do this if any databases are in use
int nRefCount = 0;
@@ -1162,8 +1167,8 @@ bool BackupWallet(const CWallet& wallet, const string& strDest)
return false;
while (!fShutdown)
{
CRITICAL_BLOCK(cs_db)
{
LOCK(cs_db);
if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0)
{
// Flush log data to the dat file