add option: flush stdout

Added the option to forcefully flush STDOUT, which may be useful when running the miner through a pipe instead than a shell.
If STDOUT is a shell, it's unbuffered by default.
If STDOUT is a pipe, it's buffered by default.

1 files changed, 12 insertions, 1 deletions

diff --git a/xmrstak/jconf.cpp b/xmrstak/jconf.cpp
index 4b23ed5..c82865d 100644
--- a/xmrstak/jconf.cpp
+++ b/xmrstak/jconf.cpp
@@ -48,7 +48,7 @@ using namespace rapidjson;
  */
 enum configEnum {
 	bTlsMode, bTlsSecureAlgo, sTlsFingerprint, sPoolAddr, sWalletAddr, sPoolPwd,sCurrency,
-	iCallTimeout, iNetRetry, iGiveUpLimit, iVerboseLevel, iAutohashTime,
+	iCallTimeout, iNetRetry, iGiveUpLimit, iVerboseLevel, iAutohashTime,bFlushStdout,
 	bDaemonMode, sOutputFile, iHttpdPort, bPreferIpv4, bNiceHashMode, bAesOverride, sUseSlowMem };
 
 struct configVal {
@@ -72,6 +72,7 @@ configVal oConfigValues[] = {
 	{ iGiveUpLimit, "giveup_limit", kNumberType },
 	{ iVerboseLevel, "verbose_level", kNumberType },
 	{ iAutohashTime, "h_print_time", kNumberType },
+	{ bFlushStdout, "flush_stdout", kTrueType},
 	{ bDaemonMode, "daemon_mode", kTrueType },
 	{ sOutputFile, "output_file", kStringType },
 	{ iHttpdPort, "httpd_port", kNumberType },
@@ -448,5 +449,15 @@ bool jconf::parse_config(const char* sFilename)
 	}
 #endif // _WIN32
 
+	if (prv->configValues[bFlushStdout]->IsBool())
+	{
+		bool bflush = prv->configValues[bFlushStdout]->GetBool();
+		printer::inst()->set_flush_stdout(bflush);
+		if (bflush)
+		{
+			printer::inst()->print_msg(L0, "Flush stdout forced.");
+		}
+	}
+
 	return true;
 }