diff --git a/app/src/gambas3/.project b/app/src/gambas3/.project
index 1fea9ad08..2ec57ffab 100644
--- a/app/src/gambas3/.project
+++ b/app/src/gambas3/.project
@@ -1,5 +1,5 @@
 # Gambas Project File 3.0
-# Compiled with Gambas 2.99.0 (r1601)
+# Compiled with Gambas 2.99.0 (r1645)
 Title=Gambas 3
 Startup=Project
 Icon=img/logo/new-logo.png
diff --git a/app/src/gambas3/Design.module b/app/src/gambas3/Design.module
index 771995770..b9f594689 100644
--- a/app/src/gambas3/Design.module
+++ b/app/src/gambas3/Design.module
@@ -707,14 +707,14 @@ Private Sub Start(sCmd As String)
       sExec &= " " & Quote.Shell(sArg)
     Next
     
-    $hProcess = Shell sExec For Read Write
+    $hProcess = Shell sExec For Read Write As "Process"
   
   Else
 
     aExec = [System.Path &/ "bin/gbx" & System.Version, "-g", "-f", File.Dir(SConv(Project.Path)), "--"]
     aExec.Insert(Project.Arguments)
 
-    $hProcess = Exec aExec For Read Write 'AS $hProcess
+    $hProcess = Exec aExec For Read Write As "Process"
   
   Endif
 
diff --git a/app/src/gambas3/Package.module b/app/src/gambas3/Package.module
index ce520077c..ca15207fc 100644
--- a/app/src/gambas3/Package.module
+++ b/app/src/gambas3/Package.module
@@ -274,9 +274,9 @@ Private Sub RunCommand(sCmd As String, Optional sDir As String)
   $sOutput = ""
   $bEnd = False
   If sDir Then
-    Shell "(cd " & SConv(Quote.Shell(sDir)) & ";" & sCmd & ") 2>&1" For Read 'TO sOutput
+    Shell "(cd " & SConv(Quote.Shell(sDir)) & ";" & sCmd & ") 2>&1" For Read As "Process"
   Else
-    Shell sCmd & " 2>&1" For Read 
+    Shell sCmd & " 2>&1" For Read As "Process"
   Endif
   Repeat
     Sleep 0.01 
@@ -357,8 +357,7 @@ Private Function MakeDebPackage(sSys As String)
   ' Rename the source archive project directory to the package name
   'TRY MOVE Path &/ (sPrefix & Subst("&1", Project.Name)) TO sPackagePath
   Try Kill sArch
-  Try Shell "cp -Rf " & sPackagePath & " " & sPackagePath & ".orig"
-  
+  Try Shell "cp -Rf " & sPackagePath & " " & sPackagePath & ".orig" Wait
 
   Try Mkdir sPackagePath &/ "debian"
 
@@ -535,10 +534,9 @@ Private Function MakeDebPackage(sSys As String)
 
   AddLog(("Creating package..."))
   sCmd = "cd " & Quote.Shell(sPackagePath) & "; fakeroot dpkg-buildpackage -d"
-  Shell sCmd Wait For Read
+  Shell sCmd Wait
   If Process.LastValue > 2 Then Error.Raise(("'dpkg-buildpackage' has failed."))
 
-
   Try Shell "rm -Rf " & Quote.Shell(sPackagePath) Wait
   Try Shell "rm -f " & Quote.Shell(Path) &/ "*.dsc.asc" Wait 
 
@@ -930,7 +928,7 @@ Private Function MakeRpmPackage(sSys As String)
     'sTemp = Temp$
   $sOutput = ""
   $bEnd = False
-  Shell sCmd & " 2>&1" Wait For Read 'TO sOutput
+  Shell sCmd & " 2>&1" Wait For Read As "Process" 'TO sOutput
     ' REPEAT
     '   SLEEP 0.01
     '   WAIT
diff --git a/app/src/gambas3/VersionControl.module b/app/src/gambas3/VersionControl.module
index 380dae399..5ee8e918c 100644
--- a/app/src/gambas3/VersionControl.module
+++ b/app/src/gambas3/VersionControl.module
@@ -33,7 +33,7 @@ End
 Private Sub Run(sCmd As String, Optional sRemove As String)
 
   $bEnd = False
-  Shell sCmd & " 2>&1" For Read 'TO sOutput
+  Shell sCmd & " 2>&1" For Read As "Process" 'TO sOutput
   
   If sRemove Then sCmd = Replace(sCmd, sRemove, "")
   
diff --git a/gb.qt/src/CWindow.cpp b/gb.qt/src/CWindow.cpp
index 9efb81d77..d43175c85 100644
--- a/gb.qt/src/CWindow.cpp
+++ b/gb.qt/src/CWindow.cpp
@@ -1597,10 +1597,10 @@ void MyMainWindow::showActivate(QWidget *transient)
 		doReparent(newParentWidget, getWFlags(), pos());
 	}
 
-	/*#ifndef NO_X_WINDOW
-	if (THIS != CWINDOW_Main)
-		X11_set_transient_for(winId(), QWIDGET(CWINDOW_Main)->winId());
-	#endif*/
+	#ifndef NO_X_WINDOW
+	if (newParentWidget && getTool())
+		X11_set_transient_for(winId(), newParentWidget->winId());
+	#endif
 
   //qDebug("showActivate %p", _object);
 
diff --git a/main/gbc/gbc_trans_subr.c b/main/gbc/gbc_trans_subr.c
index f29854d6e..814c76170 100644
--- a/main/gbc/gbc_trans_subr.c
+++ b/main/gbc/gbc_trans_subr.c
@@ -541,7 +541,7 @@ static void trans_exec_shell(bool shell)
 {
   int mode = TS_EXEC_NONE;
   bool wait;
-  bool as = FALSE;
+  bool as = TRUE;
 
   /* programme �ex�uter */
   TRANS_expression(FALSE);
@@ -563,7 +563,6 @@ static void trans_exec_shell(bool shell)
       if (TRANS_is(RS_OUTPUT))
         mode |= TS_EXEC_WRITE;
     }
-    as = TRUE;
   }
   else if (TRANS_is(RS_TO))
   {
@@ -573,6 +572,9 @@ static void trans_exec_shell(bool shell)
     mode = TS_EXEC_STRING;
     wait = TRUE;
   }
+  
+  if (wait)
+  	as = FALSE;
 
   CODE_push_boolean(wait);
   CODE_push_number(mode);
diff --git a/main/gbx/gbx_c_file.c b/main/gbx/gbx_c_file.c
index a6274b4f2..c669d324a 100644
--- a/main/gbx/gbx_c_file.c
+++ b/main/gbx/gbx_c_file.c
@@ -688,6 +688,15 @@ BEGIN_PROPERTY(CSTREAM_eof)
   GB_ReturnBoolean(CSTREAM_stream(THIS_STREAM)->common.eof);
   
 END_PROPERTY
+
+BEGIN_PROPERTY(CSTREAM_blocking)
+
+	if (READ_PROPERTY)
+		GB_ReturnBoolean(STREAM_is_blocking(CSTREAM_stream(THIS_STREAM)));
+	else
+		STREAM_blocking(CSTREAM_stream(THIS_STREAM), VPROP(GB_BOOLEAN));
+
+END_PROPERTY
 		
 #endif
 
@@ -702,6 +711,7 @@ GB_DESC NATIVE_Stream[] =
   GB_PROPERTY("EndOfLine", "i", CSTREAM_eol),
   GB_METHOD("Close", NULL, CSTREAM_close, NULL),
   GB_PROPERTY_READ("EndOfFile", "b", CSTREAM_eof),
+  GB_PROPERTY("Blocking", "b", CSTREAM_blocking),
 
   GB_END_DECLARE
 };
diff --git a/main/gbx/gbx_c_process.c b/main/gbx/gbx_c_process.c
index 7dd59054a..814b3b2f0 100644
--- a/main/gbx/gbx_c_process.c
+++ b/main/gbx/gbx_c_process.c
@@ -610,8 +610,8 @@ CPROCESS *CPROCESS_create(int mode, void *cmd, char *name)
 
 	/*printf("** CPROCESS_create <<<< \n");*/
 
-	if (!name || !*name)
-		name = "Process";
+	//if (!name || !*name)
+	//	name = "Process";
 
 	OBJECT_new((void **)(void *)&process, CLASS_Process, name, OP  ? (OBJECT *)OP : (OBJECT *)CP);
 
@@ -620,6 +620,9 @@ CPROCESS *CPROCESS_create(int mode, void *cmd, char *name)
 
 	OBJECT_UNREF_KEEP(process, "CPROCESS_create");
 
+	if (!name || !*name)
+		STREAM_blocking(CSTREAM_stream(process), TRUE);
+	
 	/*printf("** CPROCESS_create >>>> \n");*/
 
 	return process;
diff --git a/main/gbx/gbx_stream.c b/main/gbx/gbx_stream.c
index 3f9e0dc1b..b76445fcd 100644
--- a/main/gbx/gbx_stream.c
+++ b/main/gbx/gbx_stream.c
@@ -289,7 +289,7 @@ char STREAM_getchar(STREAM *stream)
 }
 
 
-void STREAM_read_max(STREAM *stream, void *addr, int len)
+static void STREAM_read_max(STREAM *stream, void *addr, int len)
 {
 	bool is_term = stream->common.is_term;
 	bool err;
@@ -400,6 +400,42 @@ void STREAM_seek(STREAM *stream, int64_t pos, int whence)
 	}
 }
 
+static void fill_buffer(STREAM *stream, char *addr)
+{
+	bool err;
+	STREAM_eff_read = 0;
+	int flags, fd;
+
+	fd = STREAM_handle(stream);
+	
+	err = (*(stream->type->read))(stream, addr, 1);
+	if (!err)
+	{
+		flags = fcntl(fd, F_GETFL);
+		if ((flags & O_NONBLOCK) == 0)
+			fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+		
+		err = (*(stream->type->read))(stream, addr + 1, STREAM_BUFFER_SIZE - 1);
+		
+		if ((flags & O_NONBLOCK) == 0)
+			fcntl(fd, F_SETFL, flags);
+	}
+
+	if (err)
+	{
+		switch(errno)
+		{
+			case 0:
+			case EAGAIN:
+				break;
+			case EIO:
+				break; //THROW(E_READ);
+			default:
+				THROW_SYSTEM(errno, NULL);
+		}
+	}
+}
+
 
 static void input(STREAM *stream, char **addr, boolean line)
 {
@@ -428,7 +464,7 @@ static void input(STREAM *stream, char **addr, boolean line)
 		}
 	}
 
-	if (STREAM_eof(stream))
+	if (!STREAM_is_blocking(stream) && STREAM_eof(stream))
 		THROW(E_EOF);
 		
 	buffer = stream->common.buffer;
@@ -463,7 +499,8 @@ static void input(STREAM *stream, char **addr, boolean line)
 			stream->common.buffer_pos = buffer_pos;
 			stream->common.buffer_len = buffer_len;
 			
-			STREAM_read_max(stream, buffer, STREAM_BUFFER_SIZE);
+			fill_buffer(stream, buffer);
+			//STREAM_read_max(stream, buffer, STREAM_BUFFER_SIZE);
 			
 			buffer_pos = 0;
 			buffer_len = STREAM_eff_read;
@@ -513,22 +550,6 @@ static void input(STREAM *stream, char **addr, boolean line)
 			break;
 
 		len++;
-		//COMMON_buffer[len++] = c;
-
-		// Optimized eof
-		
-		/*
-		if (STREAM_eof(stream))
-		{
-			stream->common.eof = TRUE;
-			break;
-		}
-		*/
-		/*if ((*eof_func)(stream))
-		{
-			stream->common.eof = TRUE;
-			break;
-		}*/
 	}
 
 	if (len > 0)
@@ -1066,4 +1087,25 @@ int STREAM_write_direct(int fd, char *buffer, int len)
 }
 
 
+void STREAM_blocking(STREAM *stream, bool block)
+{
+	int fd = STREAM_handle(stream);
+	
+	if (fd < 0)
+		return;
+	
+	if (block)
+		fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) & ~O_NONBLOCK);
+	else
+		fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) | O_NONBLOCK);
+}
 
+bool STREAM_is_blocking(STREAM *stream)
+{
+	int fd = STREAM_handle(stream);
+	
+	if (fd < 0)
+		return TRUE;
+		
+	return (fcntl(fd, F_GETFL) & O_NONBLOCK) == 0;
+}
diff --git a/main/gbx/gbx_stream.h b/main/gbx/gbx_stream.h
index 77399055b..f50ed84a0 100644
--- a/main/gbx/gbx_stream.h
+++ b/main/gbx/gbx_stream.h
@@ -231,4 +231,7 @@ void STREAM_lock(STREAM *stream);
 
 #define STREAM_is_closed(_stream) ((_stream)->type == NULL)
 
+void STREAM_blocking(STREAM *stream, bool block);
+bool STREAM_is_blocking(STREAM *stream);
+
 #endif