don't create non-existing groups in HasEntry()

[wxWidgets.git] / src / mac / corefoundation / utilsexc_cf.cpp

diff --git a/src/mac/corefoundation/utilsexc_cf.cpp b/src/mac/corefoundation/utilsexc_cf.cpp
index a3f55509be1dde3fc16858684ce59d9e9af47283..5eadfff5706dff5dc58c01d905d325417daeebc7 100644 (file)
--- a/src/mac/corefoundation/utilsexc_cf.cpp
+++ b/src/mac/corefoundation/utilsexc_cf.cpp
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/mac/corefoundation/utilsexec_cf.cpp
 // Purpose:     Execution-related utilities for Darwin
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/mac/corefoundation/utilsexec_cf.cpp
 // Purpose:     Execution-related utilities for Darwin

-// Author:      David Elliott
+// Author:      David Elliott, Ryan Norton (wxMacExecute)

 // Modified by: Stefan Csomor (added necessary wxT for unicode builds)
 // Created:     2004-11-04
 // RCS-ID:      $Id$
 // Modified by: Stefan Csomor (added necessary wxT for unicode builds)
 // Created:     2004-11-04
 // RCS-ID:      $Id$

-// Copyright:   (c) David Elliott
+// Copyright:   (c) David Elliott, Ryan Norton

 // Licence:     wxWindows licence
 // Notes:       This code comes from src/mac/carbon/utilsexc.cpp,1.11
 /////////////////////////////////////////////////////////////////////////////
 // Licence:     wxWindows licence
 // Notes:       This code comes from src/mac/carbon/utilsexc.cpp,1.11
 /////////////////////////////////////////////////////////////////////////////


@@ -18,6 +18,105 @@
 #include "wx/unix/execute.h"
 #include "wx/stdpaths.h"
 #include "wx/apptrait.h"
 #include "wx/unix/execute.h"
 #include "wx/stdpaths.h"
 #include "wx/apptrait.h"

+#include "wx/thread.h"
+#include "wx/process.h"
+
+// Use polling instead of Mach ports, which doesn't work on Intel
+// due to task_for_pid security issues.
+
+// What's a better test for Intel vs PPC?
+#ifdef WORDS_BIGENDIAN
+#define USE_POLLING 0
+#else
+#define USE_POLLING 1
+#endif
+
+#if USE_POLLING
+
+class wxProcessTerminationEventHandler: public wxEvtHandler
+{
+  public:
+    wxProcessTerminationEventHandler(wxEndProcessData* data)
+    {
+        m_data = data;
+        Connect(-1, wxEVT_END_PROCESS, wxProcessEventHandler(wxProcessTerminationEventHandler::OnTerminate));
+    }
+
+    void OnTerminate(wxProcessEvent& event)
+    {
+        Disconnect(-1, wxEVT_END_PROCESS, wxProcessEventHandler(wxProcessTerminationEventHandler::OnTerminate));
+        wxHandleProcessTermination(m_data);
+        delete this;
+    }
+
+    wxEndProcessData* m_data;
+};
+
+class wxProcessTerminationThread: public wxThread
+{
+  public:
+    wxProcessTerminationThread(wxEndProcessData* data, wxProcessTerminationEventHandler* handler): wxThread(wxTHREAD_DETACHED)
+    {
+        m_data = data;
+        m_handler = handler;
+    }
+
+    virtual void* Entry();
+
+    wxProcessTerminationEventHandler* m_handler;
+    wxEndProcessData* m_data;
+};
+
+// The problem with this is that we may be examining the
+// process e.g. in OnIdle at the point this cleans up the process,
+// so we need to delay until it's safe.
+
+void* wxProcessTerminationThread::Entry()
+{
+    while (true)
+    {
+        usleep(100);
+        int status = 0;
+        int rc = waitpid(abs(m_data->pid), & status, WNOHANG);
+        if (rc != 0)
+        {
+            if ((rc != -1) && WIFEXITED(status))
+                m_data->exitcode = WEXITSTATUS(status);
+            else
+                m_data->exitcode = -1;
+
+            wxProcessEvent event;
+            wxPostEvent(m_handler, event);
+
+            break;
+        }
+    }
+    
+    return NULL;
+}
+
+int wxAddProcessCallbackForPid(wxEndProcessData *proc_data, int pid)
+{
+    if (pid < 1)
+        return -1;
+
+    wxProcessTerminationEventHandler* handler = new wxProcessTerminationEventHandler(proc_data);    
+    wxProcessTerminationThread* thread = new wxProcessTerminationThread(proc_data, handler);
+    
+    if (thread->Create() != wxTHREAD_NO_ERROR)
+    {
+        wxLogDebug(wxT("Could not create termination detection thread."));
+        delete thread;
+        delete handler;
+        return -1;
+    }
+
+    thread->Run();
+    
+    return 0;
+}
+
+#else

 
 #include <CoreFoundation/CFMachPort.h>
 #include <sys/wait.h>
 
 #include <CoreFoundation/CFMachPort.h>
 #include <sys/wait.h>


@@ -28,7 +127,7 @@ extern "C" {
 void wxMAC_MachPortEndProcessDetect(CFMachPortRef port, void *data)
 {
     wxEndProcessData *proc_data = (wxEndProcessData*)data;
 void wxMAC_MachPortEndProcessDetect(CFMachPortRef port, void *data)
 {
     wxEndProcessData *proc_data = (wxEndProcessData*)data;

-    wxLogDebug(wxT("Wow.. this actually worked!"));
+    wxLogDebug(wxT("Process ended"));

     int status = 0;
     int rc = waitpid(abs(proc_data->pid), &status, WNOHANG);
     if(!rc)
     int status = 0;
     int rc = waitpid(abs(proc_data->pid), &status, WNOHANG);
     if(!rc)


@@ -71,7 +170,7 @@ int wxAddProcessCallbackForPid(wxEndProcessData *proc_data, int pid)
         return -1;
     }
     CFMachPortContext termcb_contextinfo;
         return -1;
     }
     CFMachPortContext termcb_contextinfo;

-    termcb_contextinfo.version = NULL;
+    termcb_contextinfo.version = 0;

     termcb_contextinfo.info = (void*)proc_data;
     termcb_contextinfo.retain = NULL;
     termcb_contextinfo.release = NULL;
     termcb_contextinfo.info = (void*)proc_data;
     termcb_contextinfo.retain = NULL;
     termcb_contextinfo.release = NULL;


@@ -111,6 +210,9 @@ int wxAddProcessCallbackForPid(wxEndProcessData *proc_data, int pid)
     return 0;
 }
 
     return 0;
 }
 

+#endif
+  // USE_POLLING
+

 // NOTE: This doens't really belong here but this was a handy file to
 // put it in because it's already compiled for wxCocoa and wxMac GUI lib.
 static wxStandardPathsCF gs_stdPaths;
 // NOTE: This doens't really belong here but this was a handy file to
 // put it in because it's already compiled for wxCocoa and wxMac GUI lib.
 static wxStandardPathsCF gs_stdPaths;