本文整理汇总了C++中boost::interprocess::file_lock类的典型用法代码示例。如果您正苦于以下问题：C++ file_lock类的具体用法？C++ file_lock怎么用？C++ file_lock使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了file_lock类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: AppInit2
//.........这里部分代码省略.........
#endif
fPrintToConsole = GetBoolArg("-printtoconsole");
fPrintToDebugger = GetBoolArg("-printtodebugger");
fLogTimestamps = GetBoolArg("-logtimestamps");
if (mapArgs.count("-timeout"))
{
int nNewTimeout = GetArg("-timeout", 5000);
if (nNewTimeout > 0 && nNewTimeout < 600000)
nConnectTimeout = nNewTimeout;
}
// Continue to put "/P2SH/" in the coinbase to monitor
// BIP16 support.
// This can be removed eventually...
const char* pszP2SH = "/P2SH/";
COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
if (mapArgs.count("-paytxfee"))
{
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));
if (nTransactionFee > 0.25 * COIN)
InitWarning(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."));
}
if (mapArgs.count("-mininput"))
{
if (!ParseMoney(mapArgs["-mininput"], nMinimumInputValue))
return InitError(strprintf(_("Invalid amount for -mininput=<amount>: '%s'"), mapArgs["-mininput"].c_str()));
}
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Make sure only a single kikekoin process is using the data directory.
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock())
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. KikeKoin is probably already running."), GetDataDir().string().c_str()));
#if !defined(WIN32) && !defined(QT_GUI)
if (fDaemon)
{
// Daemonize
pid_t pid = fork();
if (pid < 0)
{
fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
return false;
}
if (pid > 0)
{
CreatePidFile(GetPidFile(), pid);
return true;
}
pid_t sid = setsid();
if (sid < 0)
fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
}
#endif
if (!fDebug)
ShrinkDebugFile();
printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
printf("KikeKoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
printf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
printf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
printf("Used data directory %s\n", GetDataDir().string().c_str());
std::ostringstream strErrors;
if (fDaemon)
fprintf(stdout, "KikeKoin server starting\n");
int64 nStart;
// ********************************************************* Step 5: network initialization
int nSocksVersion = GetArg("-socks", 5);
if (nSocksVersion != 4 && nSocksVersion != 5)
return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion));
if (mapArgs.count("-onlynet")) {
std::set<enum Network> nets;
BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {
enum Network net = ParseNetwork(snet);
if (net == NET_UNROUTABLE)
return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str()));
nets.insert(net);
}
for (int n = 0; n < NET_MAX; n++) {
enum Network net = (enum Network)n;
if (!nets.count(net))
SetLimited(net);
}
}示例2: AppInit2
//.........这里部分代码省略.........
#endif
fConfChange = GetBoolArg("-confchange", false);
#ifdef ENABLE_WALLET
if (mapArgs.count("-mininput"))
{
if (!ParseMoney(mapArgs["-mininput"], nMinimumInputValue))
return InitError(strprintf(_("Invalid amount for -mininput=<amount>: '%s'"), mapArgs["-mininput"]));
}
#endif
nMaxDataCarrierBytes = GetArg("-datacarrier", nMaxDataCarrierBytes);
nStakeCombineThreshold = GetArg("-stakecombine", nStakeCombineThreshold * COIN);
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Sanity check
if (!InitSanityCheck())
return InitError(_("Initialization sanity check failed. Rubycoin is shutting down."));
std::string strDataDir = GetDataDir().string();
#ifdef ENABLE_WALLET
std::string strWalletFileName = GetArg("-wallet", "wallet.dat");
// strWalletFileName must be a plain filename without a directory
if (strWalletFileName != boost::filesystem::basename(strWalletFileName) + boost::filesystem::extension(strWalletFileName))
return InitError(strprintf(_("Wallet %s resides outside data directory %s."), strWalletFileName, strDataDir));
#endif
// Make sure only a single Bitcoin process is using the data directory.
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock())
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Rubycoin is probably already running."), strDataDir));
if (GetBoolArg("-shrinkdebugfile", !fDebug))
ShrinkDebugFile();
LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
LogPrintf("Rubycoin version %s (%s)\n", FormatFullVersion(), CLIENT_DATE);
LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
if (!fLogTimestamps)
LogPrintf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()));
LogPrintf("Default data directory %s\n", GetDefaultDataDir().string());
LogPrintf("Used data directory %s\n", strDataDir);
std::ostringstream strErrors;
if (fDaemon)
fprintf(stdout, "Rubycoin server starting\n");
int64_t nStart;
// ********************************************************* Step 5: verify database integrity
#ifdef ENABLE_WALLET
if (!fDisableWallet) {
uiInterface.InitMessage(_("Verifying database integrity..."));
if (!bitdb.Open(GetDataDir()))
{
// try moving the database env out of the way
boost::filesystem::path pathDatabase = GetDataDir() / "database";
boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%d.bak", GetTime());
try {
boost::filesystem::rename(pathDatabase, pathDatabaseBak);
LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string(), pathDatabaseBak.string());示例3: AppInit2
//.........这里部分代码省略.........
if (nTransactionFee > 0.25 * COIN)
InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
}
fConfChange = GetBoolArg("-confchange", false);
fEnforceCanonical = GetBoolArg("-enforcecanonical", true);
if (mapArgs.count("-mininput"))
{
if (!ParseMoney(mapArgs["-mininput"], nMinimumInputValue))
return InitError(strprintf(_("Invalid amount for -mininput=<amount>: '%s'"), mapArgs["-mininput"]));
}
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Sanity check
if (!InitSanityCheck())
return InitError(_("Initialization sanity check failed. Gridcoin is shutting down."));
// Initialize internal hashing code with SSE/AVX2 optimizations. In the future we will also have ARM/NEON optimizations.
std::string sha256_algo = SHA256AutoDetect();
LogPrintf("Using the '%s' SHA256 implementation\n", sha256_algo);
std::string strDataDir = GetDataDir().string();
std::string strWalletFileName = GetArg("-wallet", "wallet.dat");
// strWalletFileName must be a plain filename without a directory
if (strWalletFileName != boost::filesystem::basename(strWalletFileName) + boost::filesystem::extension(strWalletFileName))
return InitError(strprintf(_("Wallet %s resides outside data directory %s."), strWalletFileName, strDataDir));
// Make sure only a single Bitcoin process is using the data directory.
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock())
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Gridcoin is probably already running."), strDataDir));
#if !defined(WIN32)
if (fDaemon)
{
// Daemonize
pid_t pid = fork();
if (pid < 0)
{
fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
return false;
}
if (pid > 0)
{
CreatePidFile(GetPidFile(), pid);
// Now that we are forked we can request a shutdown so the parent
// exits while the child lives on.
StartShutdown();
return true;
}
pid_t sid = setsid();
if (sid < 0)
fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
}
#endif
ShrinkDebugFile();
LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
LogPrintf("Gridcoin version %s (%s)", FormatFullVersion(), CLIENT_DATE);示例4: AppInit2
//.........这里部分代码省略.........
fPrintToDebugger = GetBoolArg("-printtodebugger");
fLogTimestamps = GetBoolArg("-logtimestamps");
if (mapArgs.count("-timeout"))
{
int nNewTimeout = GetArg("-timeout", 5000);
if (nNewTimeout > 0 && nNewTimeout < 600000)
nConnectTimeout = nNewTimeout;
}
// Continue to put "/P2SH/" in the coinbase to monitor
// BIP16 support.
// This can be removed eventually...
const char* pszP2SH = "/P2SH/";
COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
if (mapArgs.count("-paytxfee"))
{
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));
if (nTransactionFee > 0.25 * COIN)
InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
}
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
std::string strDataDir = GetDataDir().string();
// Make sure only a single Bitcoin process is using the data directory.
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock())
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. NovaCoin is probably already running."), strDataDir.c_str()));
#if !defined(WIN32) && !defined(QT_GUI)
if (fDaemon)
{
// Daemonize
pid_t pid = fork();
if (pid < 0)
{
fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
return false;
}
if (pid > 0)
{
CreatePidFile(GetPidFile(), pid);
return true;
}
pid_t sid = setsid();
if (sid < 0)
fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
}
#endif
if (GetBoolArg("-shrinkdebugfile", !fDebug))
ShrinkDebugFile();
printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
printf("Webcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
printf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
if (!fLogTimestamps)
printf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());示例5: AppInit2
//.........这里部分代码省略.........
if (nTransactionFee > 0.25 * COIN)
InitWarning(_("Warning: -paytxfee is set very high! This is the transaction fee you will pay if you send a transaction."));
};
fConfChange = GetBoolArg("-confchange", false);
fEnforceCanonical = GetBoolArg("-enforcecanonical", true);
if (mapArgs.count("-mininput"))
{
if (!ParseMoney(mapArgs["-mininput"], nMinimumInputValue))
return InitError(strprintf(_("Invalid amount for -mininput=<amount>: '%s'"), mapArgs["-mininput"].c_str()));
};
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Sanity check
if (!InitSanityCheck())
return InitError(_("Initialization sanity check failed. PerfectCoin is shutting down."));
std::string strDataDir = GetDataDir().string();
std::string strWalletFileName = GetArg("-wallet", "wallet.dat");
// strWalletFileName must be a plain filename without a directory
if (strWalletFileName != fs::basename(strWalletFileName) + fs::extension(strWalletFileName))
return InitError(strprintf(_("Wallet %s resides outside data directory %s."), strWalletFileName.c_str(), strDataDir.c_str()));
// Make sure only a single Bitcoin process is using the data directory.
fs::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file)
fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock())
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. PerfectCoin is probably already running."), strDataDir.c_str()));
if (GetBoolArg("-shrinkdebugfile", !fDebug))
ShrinkDebugFile();
LogPrintf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
LogPrintf("PerfectCoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
LogPrintf("Operating in %s mode.\n", GetNodeModeName(nNodeMode));
LogPrintf("Using OpenSSL version %s\n", SSLeay_version(SSLEAY_VERSION));
if (!fLogTimestamps)
LogPrintf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
LogPrintf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
LogPrintf("Used data directory %s\n", strDataDir.c_str());
std::ostringstream strErrors;
if (fDaemon)
{
fprintf(stdout, "PerfectCoin server starting\n");
fflush(stdout);
};
int64_t nStart;
/* *********************************************************
Step 4.5: adjust parameters for nNodeMode
********************************************************* */