]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/utilsexc.cpp
Remove unnecessary IsRadioButton().
[wxWidgets.git] / src / msw / utilsexc.cpp
index 53c3b2f5f5ee56091930c7a9b6a73ad23ca0d956..a675969f7e421166efbc93912afdb55eac0e66dc 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/utilsexec.cpp
+// Name:        src/msw/utilsexc.cpp
 // Purpose:     wxExecute implementation for MSW
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     wxExecute implementation for MSW
 // Author:      Julian Smart
 // Modified by:
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/app.h"
     #include "wx/intl.h"
     #include "wx/log.h"
+    #if wxUSE_STREAMS
+        #include "wx/stream.h"
+    #endif
+    #include "wx/module.h"
 #endif
 
 #endif
 
-#include "wx/stream.h"
 #include "wx/process.h"
 #include "wx/process.h"
-
+#include "wx/thread.h"
 #include "wx/apptrait.h"
 #include "wx/apptrait.h"
+#include "wx/vector.h"
 
 
-#include "wx/module.h"
 
 #include "wx/msw/private.h"
 
 #include <ctype.h>
 
 
 #include "wx/msw/private.h"
 
 #include <ctype.h>
 
-#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
+#if !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
     #include <direct.h>
 #ifndef __MWERKS__
     #include <dos.h>
     #include <direct.h>
 #ifndef __MWERKS__
     #include <dos.h>
@@ -103,6 +102,13 @@ wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc);
 static const wxChar *wxMSWEXEC_WNDCLASSNAME = wxT("_wxExecute_Internal_Class");
 static const wxChar *gs_classForHiddenWindow = NULL;
 
 static const wxChar *wxMSWEXEC_WNDCLASSNAME = wxT("_wxExecute_Internal_Class");
 static const wxChar *gs_classForHiddenWindow = NULL;
 
+// event used to wake up threads waiting in wxExecuteThread
+static HANDLE gs_heventShutdown = NULL;
+
+// handles of all threads monitoring the execution of asynchronously running
+// processes
+static wxVector<HANDLE> gs_asyncThreads;
+
 // ----------------------------------------------------------------------------
 // private types
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private types
 // ----------------------------------------------------------------------------
@@ -133,7 +139,44 @@ public:
     virtual bool OnInit() { return true; }
     virtual void OnExit()
     {
     virtual bool OnInit() { return true; }
     virtual void OnExit()
     {
-        if ( *gs_classForHiddenWindow )
+        if ( gs_heventShutdown )
+        {
+            // stop any threads waiting for the termination of asynchronously
+            // running processes
+            if ( !::SetEvent(gs_heventShutdown) )
+            {
+                wxLogDebug(_T("Failed to set shutdown event in wxExecuteModule"));
+            }
+
+            ::CloseHandle(gs_heventShutdown);
+            gs_heventShutdown = NULL;
+
+            // now wait until they terminate
+            if ( !gs_asyncThreads.empty() )
+            {
+                const size_t numThreads = gs_asyncThreads.size();
+
+                if ( ::WaitForMultipleObjects
+                       (
+                        numThreads,
+                        &gs_asyncThreads[0],
+                        TRUE,   // wait for all of them to become signalled
+                        3000    // long but finite value
+                       ) == WAIT_TIMEOUT )
+                {
+                    wxLogDebug(_T("Failed to stop all wxExecute monitor threads"));
+                }
+
+                for ( size_t n = 0; n < numThreads; n++ )
+                {
+                    ::CloseHandle(gs_asyncThreads[n]);
+                }
+
+                gs_asyncThreads.clear();
+            }
+        }
+
+        if ( gs_classForHiddenWindow )
         {
             if ( !::UnregisterClass(wxMSWEXEC_WNDCLASSNAME, wxGetInstance()) )
             {
         {
             if ( !::UnregisterClass(wxMSWEXEC_WNDCLASSNAME, wxGetInstance()) )
             {
@@ -148,6 +191,8 @@ private:
     DECLARE_DYNAMIC_CLASS(wxExecuteModule)
 };
 
     DECLARE_DYNAMIC_CLASS(wxExecuteModule)
 };
 
+IMPLEMENT_DYNAMIC_CLASS(wxExecuteModule, wxModule)
+
 #if wxUSE_STREAMS && !defined(__WXWINCE__)
 
 // ----------------------------------------------------------------------------
 #if wxUSE_STREAMS && !defined(__WXWINCE__)
 
 // ----------------------------------------------------------------------------
@@ -283,22 +328,48 @@ static DWORD __stdcall wxExecuteThread(void *arg)
 {
     wxExecuteData * const data = (wxExecuteData *)arg;
 
 {
     wxExecuteData * const data = (wxExecuteData *)arg;
 
-    if ( ::WaitForSingleObject(data->hProcess, INFINITE) != WAIT_OBJECT_0 )
+    // create the shutdown event if we're the first thread starting to wait
+    if ( !gs_heventShutdown )
     {
     {
-        wxLogDebug(_T("Waiting for the process termination failed!"));
+        // create a manual initially non-signalled event object
+        gs_heventShutdown = ::CreateEvent(NULL, TRUE, FALSE, NULL);
+        if ( !gs_heventShutdown )
+        {
+            wxLogDebug(_T("CreateEvent() in wxExecuteThread failed"));
+        }
     }
 
     }
 
-    // get the exit code
-    if ( !::GetExitCodeProcess(data->hProcess, &data->dwExitCode) )
+    HANDLE handles[2] = { data->hProcess, gs_heventShutdown };
+    switch ( ::WaitForMultipleObjects(2, handles, FALSE, INFINITE) )
     {
     {
-        wxLogLastError(wxT("GetExitCodeProcess"));
-    }
+        case WAIT_OBJECT_0:
+            // process terminated, get its exit code
+            if ( !::GetExitCodeProcess(data->hProcess, &data->dwExitCode) )
+            {
+                wxLogLastError(wxT("GetExitCodeProcess"));
+            }
 
 
-    wxASSERT_MSG( data->dwExitCode != STILL_ACTIVE,
-                  wxT("process should have terminated") );
+            wxASSERT_MSG( data->dwExitCode != STILL_ACTIVE,
+                          wxT("process should have terminated") );
+
+            // send a message indicating process termination to the window
+            ::SendMessage(data->hWnd, wxWM_PROC_TERMINATED, 0, (LPARAM)data);
+            break;
+
+        case WAIT_OBJECT_0 + 1:
+            // we're shutting down but the process is still running -- leave it
+            // run but clean up the associated data
+            if ( !data->state )
+            {
+                delete data;
+            }
+            //else: exiting while synchronously executing process is still
+            //      running? this shouldn't happen...
+            break;
 
 
-    // send a message indicating process termination to the window
-    ::SendMessage(data->hWnd, wxWM_PROC_TERMINATED, 0, (LPARAM)data);
+        default:
+            wxLogDebug(_T("Waiting for the process termination failed!"));
+    }
 
     return 0;
 }
 
     return 0;
 }
@@ -323,7 +394,7 @@ LRESULT APIENTRY _EXPORT wxExecuteWindowCbk(HWND hWnd, UINT message,
         {
             // we're executing synchronously, tell the waiting thread
             // that the process finished
         {
             // we're executing synchronously, tell the waiting thread
             // that the process finished
-            data->state = 0;
+            data->state = false;
         }
         else
         {
         }
         else
         {
@@ -487,16 +558,16 @@ size_t wxPipeOutputStream::OnSysWrite(const void *buffer, size_t len)
 #if wxUSE_IPC
 
 // connect to the given server via DDE and ask it to execute the command
 #if wxUSE_IPC
 
 // connect to the given server via DDE and ask it to execute the command
-static bool wxExecuteDDE(const wxString& ddeServer,
-                         const wxString& ddeTopic,
-                         const wxString& ddeCommand)
+bool
+wxExecuteDDE(const wxString& ddeServer,
+             const wxString& ddeTopic,
+             const wxString& ddeCommand)
 {
     bool ok wxDUMMY_INITIALIZE(false);
 
     wxDDEClient client;
 {
     bool ok wxDUMMY_INITIALIZE(false);
 
     wxDDEClient client;
-    wxConnectionBase *conn = client.MakeConnection(wxEmptyString,
-                                                   ddeServer,
-                                                   ddeTopic);
+    wxConnectionBase *
+        conn = client.MakeConnection(wxEmptyString, ddeServer, ddeTopic);
     if ( !conn )
     {
         ok = false;
     if ( !conn )
     {
         ok = false;
@@ -710,23 +781,37 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
 
     PROCESS_INFORMATION pi;
     DWORD dwFlags = CREATE_SUSPENDED;
 
     PROCESS_INFORMATION pi;
     DWORD dwFlags = CREATE_SUSPENDED;
+
 #ifndef __WXWINCE__
     dwFlags |= CREATE_DEFAULT_ERROR_MODE ;
 #ifndef __WXWINCE__
     dwFlags |= CREATE_DEFAULT_ERROR_MODE ;
+#else
+    // we are assuming commands without spaces for now
+    wxString moduleName = command.BeforeFirst(wxT(' '));
+    wxString arguments = command.AfterFirst(wxT(' '));
 #endif
 
     bool ok = ::CreateProcess
                 (
 #endif
 
     bool ok = ::CreateProcess
                 (
-                 NULL,              // application name (use only cmd line)
+                    // WinCE requires appname to be non null
+                    // Win32 allows for null
+#ifdef __WXWINCE__
                  (wxChar *)
                  (wxChar *)
-                 command.c_str(),   // full command line
-                 NULL,              // security attributes: defaults for both
-                 NULL,              //   the process and its main thread
-                 redirect,          // inherit handles if we use pipes
-                 dwFlags,           // process creation flags
-                 NULL,              // environment (use the same)
-                 NULL,              // current directory (use the same)
-                 &si,               // startup info (unused here)
-                 &pi                // process info
+                 moduleName.wx_str(),// application name
+                 (wxChar *)
+                 arguments.wx_str(), // arguments
+#else
+                 NULL,               // application name (use only cmd line)
+                 (wxChar *)
+                 command.wx_str(),   // full command line
+#endif
+                 NULL,               // security attributes: defaults for both
+                 NULL,               //   the process and its main thread
+                 redirect,           // inherit handles if we use pipes
+                 dwFlags,            // process creation flags
+                 NULL,               // environment (use the same)
+                 NULL,               // current directory (use the same)
+                 &si,                // startup info (unused here)
+                 &pi                 // process info
                 ) != 0;
 
 #if wxUSE_STREAMS && !defined(__WXWINCE__)
                 ) != 0;
 
 #if wxUSE_STREAMS && !defined(__WXWINCE__)
@@ -838,7 +923,7 @@ long wxExecute(const wxString& cmd, int flags, wxProcess *handler)
         return pi.dwProcessId;
     }
 
         return pi.dwProcessId;
     }
 
-    ::CloseHandle(hThread);
+    gs_asyncThreads.push_back(hThread);
 
 #if wxUSE_IPC && !defined(__WXWINCE__)
     // second part of DDE hack: now establish the DDE conversation with the
 
 #if wxUSE_IPC && !defined(__WXWINCE__)
     // second part of DDE hack: now establish the DDE conversation with the
@@ -942,4 +1027,3 @@ long wxExecute(wxChar **argv, int flags, wxProcess *handler)
 
     return wxExecute(command, flags, handler);
 }
 
     return wxExecute(command, flags, handler);
 }
-