Use generic JackSleep

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2508 0c269be4-1314-0410-8aa9-9f06e86f4224

common/JackAudioDriver.cpp

@@ -187,8 +187,8 @@ int JackAudioDriver::ProcessNull()
 {
     JackDriver::CycleTakeTime();
     
-    int wait_time = (int((float(fEngineControl->fBufferSize) / (float(fEngineControl->fSampleRate))) * 1000000.0f));
-    usleep(wait_time);
+    int wait_time_usec = (int((float(fEngineControl->fBufferSize) / (float(fEngineControl->fSampleRate))) * 1000000.0f));
+    JackSleep(wait_time_usec);
     
     if (!fEngine->Process(fLastWaitUst)) // fLastWaitUst is set in the "low level" layer
         jack_error("JackAudioDriver::ProcessNull Process error");

common/JackDummyDriver.cpp

@@ -67,7 +67,7 @@ int JackDummyDriver::Process()
 {
     JackDriver::CycleTakeTime();
     JackAudioDriver::Process();
-    usleep(std::max(0L, long(fWaitTime - (GetMicroSeconds() - fLastWaitUst))));
+    JackSleep(std::max(0L, long(fWaitTime - (GetMicroSeconds() - fLastWaitUst))));
     return 0;
 }