mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2025-10-03 20:29:21 +02:00
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/**
|
|
* Copyright © 2012 Red Hat, Inc.
|
|
*
|
|
* 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 of the licence, 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
* Author: Alexander Larsson <alexl@redhat.com>
|
|
**/
|
|
|
|
#ifndef __G_CONSTRUCTOR_H__
|
|
#define __G_CONSTRUCTOR_H__
|
|
|
|
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
|
|
#error "Only <glib.h> can be included directly."
|
|
#endif
|
|
|
|
/*
|
|
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) {
|
|
...
|
|
}
|
|
|
|
*/
|
|
|
|
#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 /* __G_CONSTRUCTOR_H__ */
|