1 // bootstrap.cxx -- bootstrap routines: main()
3 // Written by Curtis Olson, started May 1997.
5 // Copyright (C) 1997 - 2002 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
32 #if defined(HAVE_FEENABLEEXCEPT)
37 #elif defined(__linux__) && defined(__i386__)
38 # include <fpu_control.h>
42 # include <unistd.h> // for gethostname()
50 #include <simgear/compiler.h>
51 #include <simgear/structure/exception.hxx>
53 #include <osg/Texture>
54 #include <osg/BufferObject>
61 #include <Viewer/fgviewer.hxx>
63 #include <Include/version.h>
64 #include <Main/globals.hxx>
65 #include <Main/fg_props.hxx>
66 #include <GUI/MessageBox.hxx>
71 #include <GUI/CocoaHelpers.h> // for transformToForegroundApp
74 #if defined(HAVE_CRASHRPT)
81 // forward declaration.
84 static bool fpeAbort = false;
85 static void initFPE();
87 #if defined(HAVE_FEENABLEEXCEPT)
88 static void handleFPE(int);
93 int except = fegetexcept();
94 feenableexcept(except | FE_DIVBYZERO | FE_INVALID);
96 signal(SIGFPE, handleFPE);
100 static void handleFPE(int)
102 feclearexcept(FE_ALL_EXCEPT);
103 signal(SIGFPE, handleFPE);
105 #elif defined(__linux__) && defined(__i386__)
107 static void handleFPE(int);
111 fpu_control_t fpe_flags = 0;
112 _FPU_GETCW(fpe_flags);
113 // fpe_flags &= ~_FPU_MASK_IM; // invalid operation
114 // fpe_flags &= ~_FPU_MASK_DM; // denormalized operand
115 // fpe_flags &= ~_FPU_MASK_ZM; // zero-divide
116 // fpe_flags &= ~_FPU_MASK_OM; // overflow
117 // fpe_flags &= ~_FPU_MASK_UM; // underflow
118 // fpe_flags &= ~_FPU_MASK_PM; // precision (inexact result)
119 _FPU_SETCW(fpe_flags);
120 signal(SIGFPE, handleFPE);
127 SG_LOG(SG_GENERAL, SG_ALERT, "Floating point interrupt (SIGFPE)");
130 static void initFPE()
135 #if defined(SG_WINDOWS)
136 int main ( int argc, char **argv );
137 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
138 LPSTR lpCmdLine, int nCmdShow) {
140 main( __argc, __argv );
144 static void fg_terminate() {
146 "Uncaught Exception: missing exception handler on some thread"
151 int _bootstrap_OSInit;
153 // Main entry point; catch any exceptions that have made it this far.
154 int main ( int argc, char **argv )
156 #if defined(SG_WINDOWS)
157 // Don't show blocking "no disk in drive" error messages on Windows 7,
158 // silently return errors to application instead.
159 // See Microsoft MSDN #ms680621: "GUI apps should specify SEM_NOOPENFILEERRORBOX"
160 SetErrorMode(SEM_NOOPENFILEERRORBOX);
162 hostname = ::getenv( "COMPUTERNAME" );
164 // Unix(alike) systems
166 gethostname(_hostname, 256);
167 hostname = _hostname;
169 signal(SIGPIPE, SIG_IGN);
173 // required so native messages boxes work prior to osgViewer init
174 // (only needed when not running as a bundled app)
175 transformToForegroundApp();
178 #ifdef PTW32_STATIC_LIB
179 // Initialise static pthread win32 lib
180 pthread_win32_process_attach_np ();
182 _bootstrap_OSInit = 0;
184 #if defined(HAVE_CRASHRPT)
185 // Define CrashRpt configuration parameters
186 CR_INSTALL_INFO info;
187 memset(&info, 0, sizeof(CR_INSTALL_INFO));
188 info.cb = sizeof(CR_INSTALL_INFO);
189 info.pszAppName = "FlightGear";
190 info.pszAppVersion = FLIGHTGEAR_VERSION;
191 info.pszEmailSubject = "FlightGear " FLIGHTGEAR_VERSION " crash report";
192 info.pszEmailTo = "fgcrash@goneabitbursar.com";
193 info.pszUrl = "http://fgfs.goneabitbursar.com/crashreporter/crashrpt.php";
194 info.uPriorities[CR_HTTP] = 3;
195 info.uPriorities[CR_SMTP] = 2;
196 info.uPriorities[CR_SMAPI] = 1;
198 // Install all available exception handlers
199 info.dwFlags |= CR_INST_ALL_POSSIBLE_HANDLERS;
201 // Restart the app on crash
202 info.dwFlags |= CR_INST_SEND_QUEUED_REPORTS;
204 // autoamticallty install handlers for all threads
205 info.dwFlags |= CR_INST_AUTO_THREAD_HANDLERS;
207 // Define the Privacy Policy URL
208 info.pszPrivacyPolicyURL = "http://flightgear.org/crash-privacypolicy.html";
210 // Install crash reporting
211 int nResult = crInstall(&info);
213 std::cerr << "failed to install crash reporting engine" << std::endl;
215 crAddProperty("hudson-build-id", HUDSON_BUILD_ID);
219 #if defined(__FreeBSD__)
220 // Ignore floating-point exceptions on FreeBSD
221 signal(SIGFPE, SIG_IGN);
223 // Maybe Enable floating-point exceptions on Linux
224 for (int i = 0; i < argc; ++i) {
225 if (!strcmp("--enable-fpe", argv[i])) {
233 // Enable floating-point exceptions for Windows
234 #if defined( _MSC_VER ) && defined( DEBUG )
235 // Christian, we should document what this does
236 _control87( _EM_INEXACT, _MCW_EM );
239 bool fgviewer = false;
240 for (int i = 0; i < argc; ++i) {
241 if (!strcmp("--fgviewer", argv[i])) {
247 // FIXME: add other, more specific
250 // http://code.google.com/p/flightgear-bugs/issues/detail?id=1231
251 // ensure sglog is inited before atexit() is registered, so logging
252 // is possible inside fgExitCleanup
255 // similar to above, ensure some static maps inside OSG exist before
256 // we register our at-exit handler, otherwise the statics are gone
257 // when fg_terminate runs, which causes crashes.
258 osg::Texture::getTextureObjectManager(0);
259 osg::GLBufferObjectManager::getGLBufferObjectManager(0);
261 std::set_terminate(fg_terminate);
262 atexit(fgExitCleanup);
264 fgviewerMain(argc, argv);
266 fgMainInit(argc, argv);
268 } catch (const sg_throwable &t) {
270 if (std::strlen(t.getOrigin()) != 0)
271 info = std::string("received from ") + t.getOrigin();
272 flightgear::fatalMessageBox("Fatal exception", t.getFormattedMessage(), info);
274 } catch (const std::exception &e ) {
275 flightgear::fatalMessageBox("Fatal exception", e.what());
276 } catch (const std::string &s) {
277 flightgear::fatalMessageBox("Fatal exception", s);
278 } catch (const char *s) {
279 cerr << "Fatal error (const char*): " << s << endl;
282 cerr << "Unknown exception in the main loop. Aborting..." << endl;
284 perror("Possible cause");
287 #if defined(HAVE_CRASHRPT)
294 // do some clean up on exit. Specifically we want to delete the sound-manager,
295 // so OpenAL device and context are released cleanly
296 void fgExitCleanup() {
298 if (_bootstrap_OSInit != 0) {
299 fgSetMouseCursor(MOUSE_CURSOR_POINTER);
304 // on the common exit path globals is already deleted, and NULL,
305 // so this only happens on error paths.