| 0,0 → 1,52 |
|---|
| /* |
| * Copyright 2010 Luca Barbieri |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial |
| * portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef U_INIT_H |
| #define U_INIT_H |
| |
| /* Use UTIL_INIT(f) to have f called at program initialization. |
| Note that it is only guaranteed to be called if any symbol in the |
| .c file it is in sis referenced by the program. |
| |
| UTIL_INIT functions are called in arbitrary order. |
| */ |
| |
| #ifdef __cplusplus |
| /* use a C++ global constructor */ |
| #define UTIL_INIT(f) struct f##__gctor_t {f##__gctor_t() {x();}} f##__gctor; |
| #elif defined(_MSC_VER) |
| /* add a pointer to the section where MSVC stores global constructor pointers */ |
| /* see http://blogs.msdn.com/vcblog/archive/2006/10/20/crt-initialization.aspx and |
| http://stackoverflow.com/questions/1113409/attribute-constructor-equivalent-in-vc */ |
| #pragma section(".CRT$XCU",read) |
| #define UTIL_INIT(f) static void __cdecl f##__init(void) {f();}; __declspec(allocate(".CRT$XCU")) void (__cdecl* f##__xcu)(void) = f##__init; |
| #elif defined(__GNUC__) |
| #define UTIL_INIT(f) static void f##__init(void) __attribute__((constructor)); static void f##__init(void) {f();} |
| #else |
| #error Unsupported compiler: please find out how to implement global initializers in C on it |
| #endif |
| |
| #endif |
| |