added wxGetProcessId()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15814 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/function.tex

@@ -114,6 +114,7 @@ the corresponding topic.
 \helpref{wxGetPrinterPreviewCommand}{wxgetprinterpreviewcommand}\\
 \helpref{wxGetPrinterScaling}{wxgetprinterscaling}\\
 \helpref{wxGetPrinterTranslation}{wxgetprintertranslation}\\
+\helpref{wxGetProcessId}{wxgetprocessid}\\
 \helpref{wxGetResource}{wxgetresource}\\
 \helpref{wxGetSingleChoiceData}{wxgetsinglechoicedata}\\
 \helpref{wxGetSingleChoiceIndex}{wxgetsinglechoiceindex}\\
@@ -584,6 +585,18 @@ enum wxKillError
 
 <wx/utils.h>
 
+\membersection{::wxGetProcessId}\label{wxgetprocessid}
+
+\func{unsigned long}{wxGetProcessId}{\void}
+
+Returns the number uniquely identifying the current process in the system.
+
+If an error occurs, $0$ is returned.
+
+\wxheading{Include files}
+
+<wx/utils.h>
+
 \membersection{::wxShell}\label{wxshell}
 
 \func{bool}{wxShell}{\param{const wxString\& }{command = NULL}}

include/wx/utils.h

@@ -251,6 +251,9 @@ WXDLLEXPORT void wxSleep(int nSecs);
 // Sleep for a given amount of milliseconds
 WXDLLEXPORT void wxUsleep(unsigned long milliseconds);
 
+// Get the process id of the current process
+WXDLLEXPORT unsigned long wxGetProcessId();
+
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 WXDLLEXPORT long wxGetFreeMemory();
 
@@ -356,6 +359,8 @@ WXDLLEXPORT wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent
 // Message/event queue helpers
 // ----------------------------------------------------------------------------
 
+// NB: these functions are obsolete, please use wxApp methods instead!
+
 // Yield to other apps/messages
 WXDLLEXPORT bool wxYield();
 
@@ -379,14 +384,14 @@ WXDLLEXPORT void wxFlushEvents();
 // ctor and enables them back in its dtor
 class WXDLLEXPORT wxWindowDisabler
 {
-    DECLARE_NO_COPY_CLASS(wxWindowDisabler)
-        
 public:
     wxWindowDisabler(wxWindow *winToSkip = (wxWindow *)NULL);
     ~wxWindowDisabler();
 
 private:
     wxWindowList *m_winDisabled;
+
+    DECLARE_NO_COPY_CLASS(wxWindowDisabler)
 };
 
 // ----------------------------------------------------------------------------

src/msw/utils.cpp

@@ -40,6 +40,12 @@
 
 #include "wx/msw/private.h"     // includes <windows.h>
 
+#ifdef __GNUWIN32_OLD__
+    // apparently we need to include winsock.h to get WSADATA and other stuff
+    // used in wxGetFullHostName() with the old mingw32 versions
+    #include <winsock.h>
+#endif
+
 #include "wx/timer.h"
 
 #if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__)
@@ -941,6 +947,15 @@ long wxGetFreeMemory()
 #endif
 }
 
+unsigned long wxGetProcessId()
+{
+#ifdef __WIN32__
+    return ::GetCurrentProcessId();
+#else
+    return 0;
+#endif
+}
+
 // Emit a beeeeeep
 void wxBell()
 {

src/unix/utilsunx.cpp

@@ -1018,6 +1018,11 @@ int wxGetOsVersion(int *majorVsn, int *minorVsn)
 
 #endif // !wxUSE_GUI
 
+unsigned long wxGetProcessId()
+{
+    return (unsigned long)getpid();
+}
+
 long wxGetFreeMemory()
 {
 #if defined(__LINUX__)