Extract wxPipeInputStream and wxPipeOutputStream in a header.

[wxWidgets.git] / src / msw / utilsexc.cpp

diff --git a/src/msw/utilsexc.cpp b/src/msw/utilsexc.cpp
index e9f7ae28b532195bb51cea206ef1757066870c97..cd4f5b86b244bff86a89dec885fabd8f00d8d3f4 100644 (file)
--- a/src/msw/utilsexc.cpp
+++ b/src/msw/utilsexc.cpp
@@ -82,6 +82,15 @@
 
 #include "wx/msw/private/hiddenwin.h"
 
+// FIXME-VC6: These are not defined in VC6 SDK headers.
+#ifndef BELOW_NORMAL_PRIORITY_CLASS
+    #define BELOW_NORMAL_PRIORITY_CLASS 0x4000
+#endif
+
+#ifndef ABOVE_NORMAL_PRIORITY_CLASS
+    #define ABOVE_NORMAL_PRIORITY_CLASS 0x8000
+#endif
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -192,46 +201,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxExecuteModule, wxModule)
 
 #if wxUSE_STREAMS && !defined(__WXWINCE__)
 
-// ----------------------------------------------------------------------------
-// wxPipeStreams
-// ----------------------------------------------------------------------------
-
-class wxPipeInputStream: public wxInputStream
-{
-public:
-    wxPipeInputStream(HANDLE hInput);
-    virtual ~wxPipeInputStream();
-
-    // returns true if the pipe is still opened
-    bool IsOpened() const { return m_hInput != INVALID_HANDLE_VALUE; }
-
-    // returns true if there is any data to be read from the pipe
-    virtual bool CanRead() const;
-
-protected:
-    size_t OnSysRead(void *buffer, size_t len);
-
-protected:
-    HANDLE m_hInput;
-
-    wxDECLARE_NO_COPY_CLASS(wxPipeInputStream);
-};
-
-class wxPipeOutputStream: public wxOutputStream
-{
-public:
-    wxPipeOutputStream(HANDLE hOutput);
-    virtual ~wxPipeOutputStream() { Close(); }
-    bool Close();
-
-protected:
-    size_t OnSysWrite(const void *buffer, size_t len);
-
-protected:
-    HANDLE m_hOutput;
-
-    wxDECLARE_NO_COPY_CLASS(wxPipeOutputStream);
-};
+#include "wx/private/pipestream.h"
 
 // define this to let wxexec.cpp know that we know what we're doing
 #define _WX_USED_BY_WXEXECUTE_
@@ -853,23 +823,26 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler,
     }
 
     // Translate wxWidgets priority to Windows conventions.
-    unsigned prio = handler->GetPriority();
-    if ( prio <= 20 )
-        dwFlags |= IDLE_PRIORITY_CLASS;
-    else if ( prio <= 40 )
-        dwFlags |= BELOW_NORMAL_PRIORITY_CLASS;
-    else if ( prio <= 60 )
-        dwFlags |= NORMAL_PRIORITY_CLASS;
-    else if ( prio <= 80 )
-        dwFlags |= ABOVE_NORMAL_PRIORITY_CLASS;
-    else if ( prio <= 99 )
-        dwFlags |= HIGH_PRIORITY_CLASS;
-    else if ( prio <= 100 )
-        dwFlags |= REALTIME_PRIORITY_CLASS;
-    else
+    if ( handler )
     {
-        wxFAIL_MSG(wxT("invalid value of thread priority parameter"));
-        dwFlags |= THREAD_PRIORITY_NORMAL;
+        unsigned prio = handler->GetPriority();
+        if ( prio <= 20 )
+            dwFlags |= IDLE_PRIORITY_CLASS;
+        else if ( prio <= 40 )
+            dwFlags |= BELOW_NORMAL_PRIORITY_CLASS;
+        else if ( prio <= 60 )
+            dwFlags |= NORMAL_PRIORITY_CLASS;
+        else if ( prio <= 80 )
+            dwFlags |= ABOVE_NORMAL_PRIORITY_CLASS;
+        else if ( prio <= 99 )
+            dwFlags |= HIGH_PRIORITY_CLASS;
+        else if ( prio <= 100 )
+            dwFlags |= REALTIME_PRIORITY_CLASS;
+        else
+        {
+            wxFAIL_MSG(wxT("invalid value of thread priority parameter"));
+            dwFlags |= NORMAL_PRIORITY_CLASS;
+        }
     }
 
     bool ok = ::CreateProcess