Correct pipe destruction bug in JackWinNamedPipe class.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@1236 0c269be4-1314-0410-8aa9-9f06e86f4224

ChangeLog

@@ -2,6 +2,10 @@
   Jackdmp changes log
 ---------------------------
 
+2006-09-13  Stephane Letz  <letz@grame.fr>
+
+	* Correct pipe destruction bug in JackWinNamedPipe class.
+
 2006-09-11  Stephane Letz  <letz@grame.fr>
 
 	* Handling of LoopBack driver only when really needed.

windows/JackWinNamedPipe.cpp

@@ -99,8 +99,13 @@ int JackWinNamedPipeClient::Connect(const char* dir, const char* name, int which
 
 int JackWinNamedPipeClient::Close()
 {
-    CloseHandle(fNamedPipe);
-    return 0;
+	if (fNamedPipe != INVALID_HANDLE_VALUE) {
+		CloseHandle(fNamedPipe);
+		fNamedPipe = INVALID_HANDLE_VALUE;
+		return 0;
+	} else {
+		return -1;
+	}
 }
 
 void JackWinNamedPipeClient::SetReadTimeOut(long sec)
@@ -296,10 +301,15 @@ JackWinNamedPipeClient* JackWinNamedPipeServer::AcceptClient()
 }
 
 int JackWinNamedPipeServer::Close()
-{
-    DisconnectNamedPipe(fNamedPipe);
-    CloseHandle(fNamedPipe);
-    return 0;
+{
+	if (fNamedPipe != INVALID_HANDLE_VALUE) {
+		DisconnectNamedPipe(fNamedPipe);
+		CloseHandle(fNamedPipe);
+		fNamedPipe = INVALID_HANDLE_VALUE;
+		return 0;
+	} else {
+		return -1;
+	}
 }
 
 // Server side

windows/JackWinNamedPipe.h

@@ -38,7 +38,7 @@ class JackWinNamedPipe : public JackChannelTransaction
 
     public:
 
-        JackWinNamedPipe(): fNamedPipe(NULL)
+        JackWinNamedPipe(): fNamedPipe(INVALID_HANDLE_VALUE)
         {}
         JackWinNamedPipe(HANDLE pipe): fNamedPipe(pipe)
         {}