# include <config.h>
#endif
-#if defined(__linux__) && defined(__i386__)
+#ifdef HAVE_WINDOWS_H
+#include <windows.h>
+#endif
+
+#if defined(HAVE_FEENABLEEXCEPT)
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#include <fenv.h>
+#elif defined(__linux__) && defined(__i386__)
# include <fpu_control.h>
-# include <signal.h>
+#endif
+
+#ifndef _WIN32
+# include <unistd.h> // for gethostname()
#endif
#include <errno.h>
+#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <simgear/compiler.h>
#include <simgear/structure/exception.hxx>
-#include <simgear/debug/logstream.hxx>
-#include STL_IOSTREAM
-SG_USING_STD(cerr);
-SG_USING_STD(endl);
+#include <cstring>
+#include <iostream>
+using std::cerr;
+using std::endl;
+#include <Viewer/fgviewer.hxx>
#include "main.hxx"
#include "globals.hxx"
+#include "fg_props.hxx"
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-# include <float.h>
-#endif
-
#include "fg_os.hxx"
-#ifdef macintosh
-# include <console.h> // -dw- for command line dialog
-#endif
-
-char *homedir = ::getenv( "HOME" );
-char *hostname = ::getenv( "HOSTNAME" );
-bool free_hostname = false;
+std::string homedir;
+std::string hostname;
-// foreward declaration.
+// forward declaration.
void fgExitCleanup();
-#if defined(__linux__) && defined(__i386__)
+static bool fpeAbort = false;
+static void initFPE();
-static void handleFPE (int);
+#if defined(HAVE_FEENABLEEXCEPT)
+static void handleFPE(int);
+static void
+initFPE ()
+{
+ if (fpeAbort) {
+ int except = fegetexcept();
+ feenableexcept(except | FE_DIVBYZERO | FE_INVALID);
+ } else {
+ signal(SIGFPE, handleFPE);
+ }
+}
+static void handleFPE(int)
+{
+ feclearexcept(FE_ALL_EXCEPT);
+ signal(SIGFPE, handleFPE);
+}
+#elif defined(__linux__) && defined(__i386__)
+
+static void handleFPE(int);
static void
initFPE ()
{
initFPE();
SG_LOG(SG_GENERAL, SG_ALERT, "Floating point interrupt (SIGFPE)");
}
-#endif
-
-#ifdef __APPLE__
-
-typedef struct
+#else
+static void initFPE()
{
- int lo;
- int hi;
-} PSN;
-
-extern "C" {
- short CPSGetCurrentProcess(PSN *psn);
- short CPSSetProcessName (PSN *psn, char *processname);
- short CPSEnableForegroundOperation(PSN *psn, int _arg2, int _arg3, int _arg4, int _arg5);
- short CPSSetFrontProcess(PSN *psn);
-};
-
-#define CPSEnableFG(psn) CPSEnableForegroundOperation(psn,0x03,0x3C,0x2C,0x1103)
-
+}
#endif
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(_WIN32)
int main ( int argc, char **argv );
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow) {
}
#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);
+static void fg_terminate() {
+ cerr << endl <<
+ "Uncaught Exception: missing exception handler on some thread"
+ << endl << endl;
+ abort();
}
-#endif
int _bootstrap_OSInit;
// Main entry point; catch any exceptions that have made it this far.
-int main ( int argc, char **argv ) {
-
- _bootstrap_OSInit = 0;
+int main ( int argc, char **argv )
+{
+#if defined(_MSC_VER) || defined(_WIN32)
+ // 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);
+
+ hostname = ::getenv( "COMPUTERNAME" );
+#else
+ // Unix(alike) systems
+ char _hostname[256];
+ gethostname(_hostname, 256);
+ hostname = _hostname;
+
+ signal(SIGPIPE, SIG_IGN);
+#endif
- // Enable floating-point exceptions for Linux/x86
-#if defined(__linux__) && defined(__i386__)
- initFPE();
+#ifdef PTW32_STATIC_LIB
+ // Initialise static pthread win32 lib
+ pthread_win32_process_attach_np ();
#endif
+ _bootstrap_OSInit = 0;
-#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
+#if defined(__FreeBSD__)
+ // Ignore floating-point exceptions on FreeBSD
+ signal(SIGFPE, SIG_IGN);
+#else
+ // Maybe Enable floating-point exceptions on Linux
+ for (int i = 0; i < argc; ++i) {
+ if (!strcmp("--enable-fpe", argv[i])) {
+ fpeAbort = true;
+ break;
+ }
}
+ initFPE();
#endif
// Enable floating-point exceptions for Windows
_control87( _EM_INEXACT, _MCW_EM );
#endif
-#if defined( HAVE_BC5PLUS )
- _control87(MCW_EM, MCW_EM); /* defined in float.h */
-#endif
-
- // Keyboard focus hack
-#if defined(__APPLE__) && !defined(OSX_BUNDLE)
- {
- PSN psn;
-
- fgOSInit (&argc, argv);
- _bootstrap_OSInit++;
-
- CPSGetCurrentProcess(&psn);
- CPSSetProcessName(&psn, "FlightGear");
- CPSEnableFG(&psn);
- CPSSetFrontProcess(&psn);
+ bool fgviewer = false;
+ for (int i = 0; i < argc; ++i) {
+ if (!strcmp("--fgviewer", argv[i])) {
+ fgviewer = true;
+ break;
+ }
}
-#endif
// 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);
- fgMainInit(argc, argv);
+ if (fgviewer)
+ fgviewerMain(argc, argv);
+ else
+ fgMainInit(argc, argv);
+
+
} catch (const sg_throwable &t) {
// We must use cerr rather than
// logging, since logging may be
// disabled.
cerr << "Fatal error: " << t.getFormattedMessage() << endl;
- if (!t.getOrigin().empty())
+ if (std::strlen(t.getOrigin()) != 0)
cerr << " (received from " << t.getOrigin() << ')' << endl;
- } catch (const string &s) {
- cerr << "Fatal error: " << s << endl;
+ } catch (const std::exception &e ) {
+ cerr << "Fatal error (std::exception): " << e.what() << endl;
+
+ } catch (const std::string &s) {
+ cerr << "Fatal error (std::string): " << s << endl;
+
+ } catch (const char *s) {
+ cerr << "Fatal error (const char*): " << s << endl;
} catch (...) {
cerr << "Unknown exception in the main loop. Aborting..." << endl;
return 0;
}
-// do some clean up on exit. Specifically we want to call alutExit()
-// which happens in the sound manager destructor.
+// do some clean up on exit. Specifically we want to delete the sound-manager,
+// so OpenAL device and context are released cleanly
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;
-
- if (free_hostname && hostname != NULL)
- free(hostname);
}
projects / flightgear.git / blobdiff