diff --git a/common/JackMessageBuffer.cpp b/common/JackMessageBuffer.cpp
index b4ff5d11..554f7124 100644
--- a/common/JackMessageBuffer.cpp
+++ b/common/JackMessageBuffer.cpp
@@ -52,7 +52,7 @@ JackMessageBuffer::~JackMessageBuffer()
         jack_info("no message buffer overruns"); 
     }
     fThread->SetStatus(JackThread::kIdle);
-    fSignal->SignalAll();
+    fSignal->Signal();
     fThread->Stop();
     Flush();
     delete fThread;
diff --git a/common/JackProcessSync.h b/common/JackProcessSync.h
index 41391217..1148cfcd 100644
--- a/common/JackProcessSync.h
+++ b/common/JackProcessSync.h
@@ -70,6 +70,13 @@ class JackProcessSync : public JackSyncInterface
         bool TimedWait(long usec);
   
         void Wait();
+        
+        void Signal()
+        {
+            pthread_mutex_lock(&fLock);
+            pthread_cond_signal(&fCond);
+            pthread_mutex_unlock(&fLock);
+        }
      
         void SignalAll()
         {
diff --git a/common/JackSyncInterface.h b/common/JackSyncInterface.h
index 7a4889c3..c22dfe5d 100644
--- a/common/JackSyncInterface.h
+++ b/common/JackSyncInterface.h
@@ -41,6 +41,7 @@ class JackSyncInterface
         virtual bool Connect(const char* name) = 0;
         virtual bool TimedWait(long usec) = 0;
         virtual void Wait() = 0;
+        virtual void Signal() = 0;
         virtual void SignalAll() = 0;
         virtual void Destroy() = 0;
 };
diff --git a/macosx/Jackdmp.xcodeproj/project.pbxproj b/macosx/Jackdmp.xcodeproj/project.pbxproj
index ea804d5a..0ee19c1c 100644
--- a/macosx/Jackdmp.xcodeproj/project.pbxproj
+++ b/macosx/Jackdmp.xcodeproj/project.pbxproj
@@ -762,28 +762,28 @@
 			isa = PBXContainerItemProxy;
 			containerPortal = 08FB7793FE84155DC02AAC07 /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 4B363EDF0DEB091C001F72D9 /* jack_rec Universal */;
+			remoteGlobalIDString = 4B363EDF0DEB091C001F72D9;
 			remoteInfo = "jack_rec Universal";
 		};
 		4B363F240DEB0ABE001F72D9 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 08FB7793FE84155DC02AAC07 /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 4B363F140DEB0A6A001F72D9 /* jack_monitor_client Universal */;
+			remoteGlobalIDString = 4B363F140DEB0A6A001F72D9;
 			remoteInfo = "jack_monitor_client Universal";
 		};
 		4B363F520DEB0CFE001F72D9 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 08FB7793FE84155DC02AAC07 /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 4B363F2B0DEB0BD1001F72D9 /* jack_showtime Universal */;
+			remoteGlobalIDString = 4B363F2B0DEB0BD1001F72D9;
 			remoteInfo = "jack_showtime Universal";
 		};
 		4B363F770DEB0D85001F72D9 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 08FB7793FE84155DC02AAC07 /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 4B363F680DEB0D4E001F72D9 /* jack_impulse_grabber Universal */;
+			remoteGlobalIDString = 4B363F680DEB0D4E001F72D9;
 			remoteInfo = "jack_impulse_grabber Universal";
 		};
 		4B5A1BCE0CD1CCC80005BF74 /* PBXContainerItemProxy */ = {
diff --git a/windows/JackWinProcessSync.h b/windows/JackWinProcessSync.h
index 4570cf1f..217db825 100644
--- a/windows/JackWinProcessSync.h
+++ b/windows/JackWinProcessSync.h
@@ -66,6 +66,11 @@ class JackWinProcessSync : public JackSyncInterface
   
         void Wait();
   
+        void Signal()
+        {
+            SetEvent(fEvent);
+        }
+        
         void SignalAll()
         {
             SetEvent(fEvent);