Mercurial > sdl-ios-xcode
view src/SDL.c @ 3255:f8a4214ce90a
Fixed compiling on 64-bit Windows
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 06 Sep 2009 04:40:54 +0000 |
parents | 5db962a9a991 |
children | a67a961e2171 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* Initialization code for SDL */ #include "SDL.h" #include "SDL_fatal.h" #if !SDL_VIDEO_DISABLED #include "video/SDL_leaks.h" #endif #if SDL_THREAD_PTH #include <pth.h> #endif /* Initialization/Cleanup routines */ #if !SDL_JOYSTICK_DISABLED extern int SDL_JoystickInit(void); extern void SDL_JoystickQuit(void); #endif #if !SDL_HAPTIC_DISABLED extern int SDL_HapticInit(void); extern int SDL_HapticQuit(void); #endif #if !SDL_TIMERS_DISABLED extern void SDL_StartTicks(void); extern int SDL_TimerInit(void); extern void SDL_TimerQuit(void); #endif #if defined(__WIN32__) extern int SDL_HelperWindowCreate(void); extern int SDL_HelperWindowDestroy(void); #endif /* The initialized subsystems */ static Uint32 SDL_initialized = 0; static Uint32 ticks_started = 0; #ifdef CHECK_LEAKS int surfaces_allocated = 0; #endif int SDL_InitSubSystem(Uint32 flags) { #if !SDL_VIDEO_DISABLED /* Initialize the video/event subsystem */ if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) { if (SDL_VideoInit(NULL, (flags & SDL_INIT_EVENTTHREAD)) < 0) { return (-1); } SDL_initialized |= SDL_INIT_VIDEO; } #else if (flags & SDL_INIT_VIDEO) { SDL_SetError("SDL not built with video support"); return (-1); } #endif #if !SDL_AUDIO_DISABLED /* Initialize the audio subsystem */ if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) { if (SDL_AudioInit(NULL) < 0) { return (-1); } SDL_initialized |= SDL_INIT_AUDIO; } #else if (flags & SDL_INIT_AUDIO) { SDL_SetError("SDL not built with audio support"); return (-1); } #endif #if !SDL_TIMERS_DISABLED /* Initialize the timer subsystem */ if (!ticks_started) { SDL_StartTicks(); ticks_started = 1; } if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) { if (SDL_TimerInit() < 0) { return (-1); } SDL_initialized |= SDL_INIT_TIMER; } #else if (flags & SDL_INIT_TIMER) { SDL_SetError("SDL not built with timer support"); return (-1); } #endif #if !SDL_JOYSTICK_DISABLED /* Initialize the joystick subsystem */ if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) { if (SDL_JoystickInit() < 0) { return (-1); } SDL_initialized |= SDL_INIT_JOYSTICK; } #else if (flags & SDL_INIT_JOYSTICK) { SDL_SetError("SDL not built with joystick support"); return (-1); } #endif #if !SDL_HAPTIC_DISABLED /* Initialize the haptic subsystem */ if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) { if (SDL_HapticInit() < 0) { return (-1); } SDL_initialized |= SDL_INIT_HAPTIC; } #else if (flags & SDL_INIT_HAPTIC) { SDL_SetError("SDL not built with haptic (force feedback) support"); return (-1); } #endif return (0); } int SDL_Init(Uint32 flags) { #if !SDL_THREADS_DISABLED && SDL_THREAD_PTH if (!pth_init()) { return -1; } #endif /* Clear the error message */ SDL_ClearError(); #if defined(__WIN32__) if (SDL_HelperWindowCreate() < 0) { return -1; } #endif /* Initialize the desired subsystems */ if (SDL_InitSubSystem(flags) < 0) { return (-1); } /* Everything is initialized */ if (!(flags & SDL_INIT_NOPARACHUTE)) { SDL_InstallParachute(); } return (0); } void SDL_QuitSubSystem(Uint32 flags) { /* Shut down requested initialized subsystems */ #if !SDL_JOYSTICK_DISABLED if ((flags & SDL_initialized & SDL_INIT_JOYSTICK)) { SDL_JoystickQuit(); SDL_initialized &= ~SDL_INIT_JOYSTICK; } #endif #if !SDL_HAPTIC_DISABLED if ((flags & SDL_initialized & SDL_INIT_HAPTIC)) { SDL_HapticQuit(); SDL_initialized &= ~SDL_INIT_HAPTIC; } #endif #if !SDL_TIMERS_DISABLED if ((flags & SDL_initialized & SDL_INIT_TIMER)) { SDL_TimerQuit(); SDL_initialized &= ~SDL_INIT_TIMER; } #endif #if !SDL_AUDIO_DISABLED if ((flags & SDL_initialized & SDL_INIT_AUDIO)) { SDL_AudioQuit(); SDL_initialized &= ~SDL_INIT_AUDIO; } #endif #if !SDL_VIDEO_DISABLED if ((flags & SDL_initialized & SDL_INIT_VIDEO)) { SDL_VideoQuit(); SDL_initialized &= ~SDL_INIT_VIDEO; } #endif } Uint32 SDL_WasInit(Uint32 flags) { if (!flags) { flags = SDL_INIT_EVERYTHING; } return (SDL_initialized & flags); } void SDL_Quit(void) { /* Quit all subsystems */ #ifdef DEBUG_BUILD printf("[SDL_Quit] : Enter! Calling QuitSubSystem()\n"); fflush(stdout); #endif #if defined(__WIN32__) SDL_HelperWindowDestroy(); #endif SDL_QuitSubSystem(SDL_INIT_EVERYTHING); #ifdef CHECK_LEAKS #ifdef DEBUG_BUILD printf("[SDL_Quit] : CHECK_LEAKS\n"); fflush(stdout); #endif /* Print the number of surfaces not freed */ if (surfaces_allocated != 0) { fprintf(stderr, "SDL Warning: %d SDL surfaces extant\n", surfaces_allocated); } #endif #ifdef DEBUG_BUILD printf("[SDL_Quit] : SDL_UninstallParachute()\n"); fflush(stdout); #endif /* Uninstall any parachute signal handlers */ SDL_UninstallParachute(); #if !SDL_THREADS_DISABLED && SDL_THREAD_PTH pth_kill(); #endif #ifdef DEBUG_BUILD printf("[SDL_Quit] : Returning!\n"); fflush(stdout); #endif } /* Get the library version number */ void SDL_GetVersion(SDL_version * ver) { SDL_VERSION(ver); } /* Get the library source revision */ int SDL_GetRevision(void) { return SDL_REVISION; } #if defined(__OS2__) /* Building for OS/2 */ #ifdef __WATCOMC__ #define INCL_DOSERRORS #define INCL_DOSEXCEPTIONS #include <os2.h> /* Exception handler to prevent the Audio thread hanging, making a zombie process! */ ULONG _System SDL_Main_ExceptionHandler(PEXCEPTIONREPORTRECORD pERepRec, PEXCEPTIONREGISTRATIONRECORD pERegRec, PCONTEXTRECORD pCtxRec, PVOID p) { if (pERepRec->fHandlerFlags & EH_EXIT_UNWIND) return XCPT_CONTINUE_SEARCH; if (pERepRec->fHandlerFlags & EH_UNWINDING) return XCPT_CONTINUE_SEARCH; if (pERepRec->fHandlerFlags & EH_NESTED_CALL) return XCPT_CONTINUE_SEARCH; /* Do cleanup at every fatal exception! */ if (((pERepRec->ExceptionNum & XCPT_SEVERITY_CODE) == XCPT_FATAL_EXCEPTION) && (pERepRec->ExceptionNum != XCPT_BREAKPOINT) && (pERepRec->ExceptionNum != XCPT_SINGLE_STEP)) { if (SDL_initialized & SDL_INIT_AUDIO) { /* This removes the zombie audio thread in case of emergency. */ #ifdef DEBUG_BUILD printf ("[SDL_Main_ExceptionHandler] : Calling SDL_CloseAudio()!\n"); #endif SDL_CloseAudio(); } } return (XCPT_CONTINUE_SEARCH); } EXCEPTIONREGISTRATIONRECORD SDL_Main_xcpthand = { 0, SDL_Main_ExceptionHandler }; /* The main DLL entry for DLL Initialization and Uninitialization: */ unsigned _System LibMain(unsigned hmod, unsigned termination) { if (termination) { #ifdef DEBUG_BUILD /* printf("[SDL DLL Unintialization] : Removing exception handler\n"); */ #endif DosUnsetExceptionHandler(&SDL_Main_xcpthand); return 1; } else { #ifdef DEBUG_BUILD /* Make stdout and stderr unbuffered! */ setbuf(stdout, NULL); setbuf(stderr, NULL); #endif /* Fire up exception handler */ #ifdef DEBUG_BUILD /* printf("[SDL DLL Initialization] : Setting exception handler\n"); */ #endif /* Set exception handler */ DosSetExceptionHandler(&SDL_Main_xcpthand); return 1; } } #endif /* __WATCOMC__ */ #elif defined(__WIN32__) #if !defined(HAVE_LIBC) || (defined(__WATCOMC__) && defined(BUILD_DLL)) /* Need to include DllMain() on Watcom C for some reason.. */ #define WIN32_LEAN_AND_MEAN #include <windows.h> BOOL APIENTRY _DllMainCRTStartup(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } #endif /* building DLL with Watcom C */ #endif /* OS/2 elif __WIN32__ */ /* vi: set ts=4 sw=4 expandtab: */