| /* |
| If G_HAS_CONSTRUCTORS is true then the compiler support *both* constructors and |
| destructors, in a sane way, including e.g. on library unload. If not you're on |
| your own. |
| |
| Some compilers need #pragma to handle this, which does not work with macros, |
| so the way you need to use this is (for constructors): |
| |
| #ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA |
| #pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(my_constructor) |
| #endif |
| G_DEFINE_CONSTRUCTOR(my_constructor) |
| static void my_constructor(void) { |
| ... |
| } |
| |
| */ |
| |
| #ifndef __GTK_DOC_IGNORE__ |
| |
| #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) |
| |
| #define G_HAS_CONSTRUCTORS 1 |
| |
| #define G_DEFINE_CONSTRUCTOR(_func) static void __attribute__((constructor)) _func (void); |
| #define G_DEFINE_DESTRUCTOR(_func) static void __attribute__((destructor)) _func (void); |
| |
| #elif defined (_MSC_VER) && (_MSC_VER >= 1500) |
| /* Visual studio 2008 and later has _Pragma */ |
| |
| #define G_HAS_CONSTRUCTORS 1 |
| |
| #define G_DEFINE_CONSTRUCTOR(_func) \ |
| static void _func(void); \ |
| static int _func ## _wrapper(void) { _func(); return 0; } \ |
| __pragma(section(".CRT$XCU",read)) \ |
| __declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _wrapper; |
| |
| #define G_DEFINE_DESTRUCTOR(_func) \ |
| static void _func(void); \ |
| static int _func ## _constructor(void) { atexit (_func); return 0; } \ |
| __pragma(section(".CRT$XCU",read)) \ |
| __declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _constructor; |
| |
| #elif defined (_MSC_VER) |
| |
| #define G_HAS_CONSTRUCTORS 1 |
| |
| /* Pre Visual studio 2008 must use #pragma section */ |
| #define G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA 1 |
| #define G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA 1 |
| |
| #define G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(_func) \ |
| section(".CRT$XCU",read) |
| #define G_DEFINE_CONSTRUCTOR(_func) \ |
| static void _func(void); \ |
| static int _func ## _wrapper(void) { _func(); return 0; } \ |
| __declspec(allocate(".CRT$XCU")) static int (*p)(void) = _func ## _wrapper; |
| |
| #define G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(_func) \ |
| section(".CRT$XCU",read) |
| #define G_DEFINE_DESTRUCTOR(_func) \ |
| static void _func(void); \ |
| static int _func ## _constructor(void) { atexit (_func); return 0; } \ |
| __declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _constructor; |
| |
| #elif defined(__SUNPRO_C) |
| |
| /* This is not tested, but i believe it should work, based on: |
| * http://opensource.apple.com/source/OpenSSL098/OpenSSL098-35/src/fips/fips_premain.c |
| */ |
| |
| #define G_HAS_CONSTRUCTORS 1 |
| |
| #define G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA 1 |
| #define G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA 1 |
| |
| #define G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(_func) \ |
| init(_func) |
| #define G_DEFINE_CONSTRUCTOR(_func) \ |
| static void _func(void); |
| |
| #define G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(_func) \ |
| fini(_func) |
| #define G_DEFINE_DESTRUCTOR(_func) \ |
| static void _func(void); |
| |
| #else |
| |
| /* constructors not supported for this compiler */ |
| |
| #endif |
| |
| #endif /* __GTK_DOC_IGNORE__ */ |