X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Fbootstrap.cxx;h=2aef4c2c0896efe6f021ef54c021468a27c2f639;hb=d127f7709f7ac64fbbc537131bfd02bb29bc1ebe;hp=588f1ab077f29f62019e9f59d160ebf253d02f40;hpb=980012e1682fdb27c9b9ec27edea0b549d603f9d;p=flightgear.git diff --git a/src/Main/bootstrap.cxx b/src/Main/bootstrap.cxx index 588f1ab07..2aef4c2c0 100644 --- a/src/Main/bootstrap.cxx +++ b/src/Main/bootstrap.cxx @@ -2,7 +2,7 @@ // // Written by Curtis Olson, started May 1997. // -// Copyright (C) 1997 - 2002 Curtis L. Olson - curt@flightgear.org +// Copyright (C) 1997 - 2002 Curtis L. Olson - http://www.flightgear.org/~curt // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as @@ -16,7 +16,7 @@ // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software -// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // $Id$ @@ -25,40 +25,74 @@ # include #endif -#if defined(__linux__) && defined(__i386__) +#ifdef HAVE_WINDOWS_H +#include +#endif + +#if defined(HAVE_FEENABLEEXCEPT) +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include +#elif defined(__linux__) && defined(__i386__) # include -# include #endif +#ifndef _WIN32 +# include // for gethostname() +#endif + +#include +#include #include +#include #include #include -#include -#include STL_IOSTREAM -SG_USING_STD(cerr); -SG_USING_STD(endl); +#include +#include +using std::cerr; +using std::endl; +#include #include "main.hxx" +#include "globals.hxx" +#include "fg_props.hxx" -#ifdef HAVE_WINDOWS_H -# include -# include -#endif +#include "fg_os.hxx" -#include FG_GLUT_H +std::string homedir; +std::string hostname; -#ifdef macintosh -# include // -dw- for command line dialog -#endif +// forward declaration. +void fgExitCleanup(); +static bool fpeAbort = false; +static void initFPE(); -#if defined(__linux__) && defined(__i386__) +#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); +static void handleFPE(int) +{ + feclearexcept(FE_ALL_EXCEPT); + signal(SIGFPE, handleFPE); +} +#elif defined(__linux__) && defined(__i386__) +static void handleFPE(int); static void initFPE () { @@ -80,32 +114,66 @@ handleFPE (int num) initFPE(); SG_LOG(SG_GENERAL, SG_ALERT, "Floating point interrupt (SIGFPE)"); } +#else +static void initFPE() +{ +} #endif -#ifdef __APPLE__ - -typedef struct -{ - int lo; - int hi; -} PSN; +#if defined(_MSC_VER) || defined(_WIN32) +int main ( int argc, char **argv ); +int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, + LPSTR lpCmdLine, int nCmdShow) { -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); -}; + main( __argc, __argv ); +} +#endif -#define CPSEnableFG(psn) CPSEnableForegroundOperation(psn,0x03,0x3C,0x2C,0x1103) +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 ) { +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__) +#ifdef PTW32_STATIC_LIB + // Initialise static pthread win32 lib + pthread_win32_process_attach_np (); +#endif + _bootstrap_OSInit = 0; + +#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 @@ -115,38 +183,65 @@ int main ( int argc, char **argv ) { _control87( _EM_INEXACT, _MCW_EM ); #endif -#if defined( HAVE_BC5PLUS ) - _control87(MCW_EM, MCW_EM); /* defined in float.h */ -#endif - - // Keyboard focus hack -#ifdef __APPLE__ - { - PSN psn; - - glutInit (&argc, argv); - - 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 { - fgMainInit(argc, argv); - } catch (sg_throwable &t) { + // 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) + 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() - << "\n (received from " << t.getOrigin() << ')' << endl; - exit(1); + cerr << "Fatal error: " << t.getFormattedMessage() << endl; + if (std::strlen(t.getOrigin()) != 0) + cerr << " (received from " << t.getOrigin() << ')' << 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; + if (errno) + perror("Possible cause"); } return 0; } +// 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; +}