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Catch errors on datadir lock and pidfile delete

Prevents bad permissions (or other fs related problems) from resulting
in hard crashes with cryptic messages on startup and shutdown.
0.13
Adam Weiss 10 years ago
parent
commit
ffdda4e8a7
  1. 10
      src/init.cpp

10
src/init.cpp

@ -187,7 +187,11 @@ void Shutdown() @@ -187,7 +187,11 @@ void Shutdown()
pwalletMain->Flush(true);
#endif
#ifndef WIN32
try {
boost::filesystem::remove(GetPidFile());
} catch (const boost::filesystem::filesystem_error& e) {
LogPrintf("%s: Unable to remove pidfile: %s\n", __func__, e.what());
}
#endif
UnregisterAllValidationInterfaces();
#ifdef ENABLE_WALLET
@ -862,9 +866,15 @@ bool AppInit2(boost::thread_group& threadGroup) @@ -862,9 +866,15 @@ bool AppInit2(boost::thread_group& threadGroup)
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);
try {
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. Bitcoin Core is probably already running."), strDataDir));
} catch(const boost::interprocess::interprocess_exception& e) {
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin Core is probably already running.") + " %s.", strDataDir, e.what()));
}
#ifndef WIN32
CreatePidFile(GetPidFile(), getpid());
#endif

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