comparison src/plugincandidates.cpp @ 13:8545be78b994

OSX build fixes and logic

     QProcess process;
     process.setReadChannel(QProcess::StandardOutput);
     process.setProcessChannelMode(QProcess::ForwardedErrorChannel);
     process.start(m_helper.c_str(), { descriptor.c_str() });
     if (!process.waitForStarted()) {
-	cerr << "helper failed to start" << endl;
+        QProcess::ProcessError err = process.error();
+        if (err == QProcess::FailedToStart) {
+            std::cerr << "Unable to start helper process " << m_helper
+                      << std::endl;
+        } else if (err == QProcess::Crashed) {
+            std::cerr << "Helper process " << m_helper
+                      << " crashed on startup" << std::endl;
+        } else {
+            std::cerr << "Helper process " << m_helper
+                      << " failed on startup with error code "
+                      << err << std::endl;
+        }
 	throw runtime_error("plugin load helper failed to start");
     }
     for (auto &lib: libraries) {
 	process.write(lib.c_str(), lib.size());
 	process.write("\n", 1);

 
     if (process.state() != QProcess::NotRunning) {
         process.close();
         process.waitForFinished();
     }
-	
+
+    log("helper completed");
+    
     return output;
 }
 
 void
 PluginCandidates::recordResult(string tag, vector<string> result)