AbstractTool optimization: Only wait for the *remaining* delay time, rather than...

diff --git a/src/Tool_Abstract.cpp b/src/Tool_Abstract.cpp
index 7d7c96c..a68d629 100644 (file)
--- a/src/Tool_Abstract.cpp
+++ b/src/Tool_Abstract.cpp
@@ -53,7 +53,7 @@ QMutex  AbstractTool::s_startProcessMutex;
 /*
  * Const
  */
-static const unsigned int START_DELAY = 50U;                                                           //in milliseconds
+static const unsigned int START_DELAY = 100U;                                                          //in milliseconds
 static const quint64 START_DELAY_NANO = quint64(START_DELAY) * 10000ui64;      //in 100-nanosecond intervals
 
 /*
@@ -84,12 +84,15 @@ AbstractTool::~AbstractTool(void)
 bool AbstractTool::startProcess(QProcess &process, const QString &program, const QStringList &args)
 {
        QMutexLocker lock(&s_startProcessMutex);
-
-       while(MUtils::OS::current_file_time() <= s_startProcessTimer)
+       
+       quint64 currentFileTime = MUtils::OS::current_file_time();
+       while(currentFileTime < s_startProcessTimer)
        {
+               const quint64 expectedFileTime = s_startProcessTimer;
                lock.unlock();
-               MUtils::OS::sleep_ms(START_DELAY);
+               MUtils::OS::sleep_ms(size_t((expectedFileTime - currentFileTime) / 10000ui64) + 1U);
                lock.relock();
+               currentFileTime = MUtils::OS::current_file_time();
        }
 
        emit messageLogged(commandline2string(program, args) + "\n");