One more Mac helper moved into CocoaHelpers.mm

[flightgear.git] / src / Main / bootstrap.cxx

diff --git a/src/Main/bootstrap.cxx b/src/Main/bootstrap.cxx
index 399f835407ccca7dd2db9561d4d13f38ffd4011e..2b5cb2b262c062372f233b5d23da6e075392028e 100644 (file)
--- a/src/Main/bootstrap.cxx
+++ b/src/Main/bootstrap.cxx
@@ -57,12 +57,16 @@ using std::endl;
 
 #include <Viewer/fgviewer.hxx>
 #include "main.hxx"
-#include "globals.hxx"
-#include "fg_props.hxx"
-
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
+#include <GUI/MessageBox.hxx>
 
 #include "fg_os.hxx"
 
+#if defined(SG_MAC)
+#include <Carbon/Carbon.h> 
+#endif
+
 std::string homedir;
 std::string hostname;
 
@@ -120,43 +124,18 @@ static void initFPE()
 }
 #endif
 
-#ifdef _MSC_VER
+#if defined(SG_WINDOWS)
 int main ( int argc, char **argv );
 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
                              LPSTR lpCmdLine, int nCmdShow) {
 
-  logbuf::has_no_console();
   main( __argc, __argv );
 }
 #endif
 
-#if defined( sgi )
-#include <sys/fpu.h>
-#include <sys/sysmp.h>
-#include <unistd.h>
-
-/*
- *  set the special "flush zero" bit (FS, bit 24) in the Control Status
- *  Register of the FPU of R4k and beyond so that the result of any
- *  underflowing operation will be clamped to zero, and no exception of
- *  any kind will be generated on the CPU.  This has no effect on an
- *  R3000.
- */
-void flush_fpe(void)
-{
-    union fpc_csr f;
-    f.fc_word = get_fpc_csr();
-    f.fc_struct.flush = 1;
-    set_fpc_csr(f.fc_word);
-}
-#endif
-
 static void fg_terminate() {
     cerr << endl <<
-            "Uncaught Exception: you should see a meaningful error message\n"
-            "here, but your GLUT (or SDL) library was apparently compiled\n"
-            "and/or linked without exception support. Please complain to\n"
-            "its provider!"
+            "Uncaught Exception: missing exception handler on some thread"
             << endl << endl;
     abort();
 }
@@ -164,29 +143,32 @@ static void fg_terminate() {
 int _bootstrap_OSInit;
 
 // Main entry point; catch any exceptions that have made it this far.
-int main ( int argc, char **argv ) {
-#if _MSC_VER
+int main ( int argc, char **argv )
+{
+#if defined(SG_WINDOWS)
   // Don't show blocking "no disk in drive" error messages on Windows 7,
   // silently return errors to application instead.
   // See Microsoft MSDN #ms680621: "GUI apps should specify SEM_NOOPENFILEERRORBOX"
   SetErrorMode(SEM_NOOPENFILEERRORBOX);
 
-  // Windows has no $HOME aka %HOME%, so we have to construct the full path.
-  homedir = ::getenv("APPDATA");
-  homedir.append("\\flightgear.org");
-
   hostname = ::getenv( "COMPUTERNAME" );
 #else
   // Unix(alike) systems
   char _hostname[256];
   gethostname(_hostname, 256);
   hostname = _hostname;
-  
-  homedir = ::getenv( "HOME" );
-  
+    
   signal(SIGPIPE, SIG_IGN);
 #endif
 
+#if defined(SG_MAC)
+    // required so native messages boxes work prior to osgViewer init
+    // (only needed when not running as a bundled app)
+    ProcessSerialNumber sn = { 0, kCurrentProcess };
+    TransformProcessType(&sn,kProcessTransformToForegroundApplication);
+    SetFrontProcess(&sn);
+#endif
+    
 #ifdef PTW32_STATIC_LIB
     // Initialise static pthread win32 lib
     pthread_win32_process_attach_np ();
@@ -207,30 +189,12 @@ int main ( int argc, char **argv ) {
     initFPE();
 #endif
 
-#if defined(sgi)
-    flush_fpe();
-
-    // Bind all non-rendering threads to CPU1
-    // This will reduce the jitter caused by them to an absolute minimum,
-    // but it will only work with superuser authority.
-    if ( geteuid() == 0 )
-    {
-       sysmp(MP_CLOCK, 0);             // bind the timer only to CPU0
-       sysmp(MP_ISOLATE, 1 );          // Isolate CPU1
-       sysmp(MP_NONPREEMPTIVE, 1 );    // disable process time slicing on CPU1
-    }
-#endif
-
     // Enable floating-point exceptions for Windows
 #if defined( _MSC_VER ) && defined( DEBUG )
     // Christian, we should document what this does
     _control87( _EM_INEXACT, _MCW_EM );
 #endif
 
-#if defined( HAVE_BC5PLUS )
-    _control87(MCW_EM, MCW_EM);  /* defined in float.h */
-#endif
-  
     bool fgviewer = false;
     for (int i = 0; i < argc; ++i) {
         if (!strcmp("--fgviewer", argv[i])) {
@@ -242,6 +206,11 @@ int main ( int argc, char **argv ) {
     // FIXME: add other, more specific
     // exceptions.
     try {
+        // http://code.google.com/p/flightgear-bugs/issues/detail?id=1231
+        // ensure sglog is inited before atexit() is registered, so logging
+        // is possible inside fgExitCleanup
+        sglog();
+        
         std::set_terminate(fg_terminate);
         atexit(fgExitCleanup);
         if (fgviewer)
@@ -251,18 +220,17 @@ int main ( int argc, char **argv ) {
             
         
     } catch (const sg_throwable &t) {
-                            // We must use cerr rather than
-                            // logging, since logging may be
-                            // disabled.
-        cerr << "Fatal error: " << t.getFormattedMessage() << endl;
+        std::string info;
         if (std::strlen(t.getOrigin()) != 0)
-            cerr << " (received from " << t.getOrigin() << ')' << endl;
+            info = std::string("received from ") + t.getOrigin();
+        flightgear::fatalMessageBox("Fatal exception", t.getFormattedMessage(), info);
 
+    } catch (const std::exception &e ) {
+        flightgear::fatalMessageBox("Fatal exception", e.what());
     } catch (const std::string &s) {
-        cerr << "Fatal error: " << s << endl;
-
+        flightgear::fatalMessageBox("Fatal exception", s);
     } catch (const char *s) {
-        cerr << "Fatal error: " << s << endl;
+        cerr << "Fatal error (const char*): " << s << endl;
 
     } catch (...) {
         cerr << "Unknown exception in the main loop. Aborting..." << endl;
@@ -280,6 +248,8 @@ void fgExitCleanup() {
     if (_bootstrap_OSInit != 0)
         fgSetMouseCursor(MOUSE_CURSOR_POINTER);
 
+    // on the common exit path globals is already deleted, and NULL,
+    // so this only happens on error paths.
     delete globals;
 }