X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Fbootstrap.cxx;h=0b648fc590945c115873288a9d97c5a1cd3794af;hb=da73dd97d3d0e36b6078728ac39f0b98cae46ff7;hp=78f34101128a1c50e7e1d1b59560ba4f75e9efaa;hpb=a67cb7d6fbb05f763b8d479b9bb516b58be044be;p=flightgear.git diff --git a/src/Main/bootstrap.cxx b/src/Main/bootstrap.cxx index 78f341011..0b648fc59 100644 --- a/src/Main/bootstrap.cxx +++ b/src/Main/bootstrap.cxx @@ -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. // // $Id$ @@ -25,49 +25,77 @@ # 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 -#include STL_IOSTREAM -SG_USING_STD(cerr); -SG_USING_STD(endl); +#include +#include +using std::cerr; +using std::endl; #include "main.hxx" #include "globals.hxx" +#include "fg_props.hxx" +#include "fgviewer.hxx" -#ifdef HAVE_WINDOWS_H -# include -# include -#endif - #include "fg_os.hxx" -#ifdef macintosh -# include // -dw- for command line dialog -#endif - -char *homedir = ::getenv( "HOME" ); -char *hostname = ::getenv( "HOSTNAME" ); +char *homedir = NULL; +char *hostname = NULL; bool free_hostname = false; // foreward declaration. void fgExitCleanup(); -#if defined(__linux__) && defined(__i386__) +static bool fpeAbort = false; +static void initFPE(); + +#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 () { @@ -89,25 +117,10 @@ handleFPE (int num) 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 @@ -115,6 +128,7 @@ 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 @@ -140,15 +154,65 @@ void flush_fpe(void) } #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!" + << endl << endl; + abort(); +} + int _bootstrap_OSInit; // Main entry point; catch any exceptions that have made it this far. int main ( int argc, char **argv ) { +#if _MSC_VER + // 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. + // make sure it fits into the buffer. Max. path length is 255, but who knows + // what's in these environment variables? + char homepath[256] = ""; + homepath[sizeof(homepath)-1] = 0; + strncpy( homepath, ::getenv("APPDATA"), sizeof(homepath)-1 ); + strncat( homepath, "\\flightgear.org", sizeof(homepath)-strlen(homepath)-1 ); + + homedir = strdup(homepath); + hostname = ::getenv( "COMPUTERNAME" ); +#else + // Unix(alike) systems + char _hostname[256]; + gethostname(_hostname, 256); + hostname = strdup(_hostname); + free_hostname = true; + + homedir = ::getenv( "HOME" ); + + signal(SIGPIPE, SIG_IGN); +#endif +#ifdef PTW32_STATIC_LIB + // Initialise static pthread win32 lib + pthread_win32_process_attach_np (); +#endif _bootstrap_OSInit = 0; - // Enable floating-point exceptions for Linux/x86 -#if defined(__linux__) && defined(__i386__) +#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 @@ -175,35 +239,40 @@ int main ( int argc, char **argv ) { #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 { + std::set_terminate(fg_terminate); atexit(fgExitCleanup); - fgMainInit(argc, argv); - } catch (sg_throwable &t) { + 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 char *s) { + cerr << "Fatal error: " << s << endl; + } catch (...) { cerr << "Unknown exception in the main loop. Aborting..." << endl; if (errno)