mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
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2505f9ac96
Allow to define functions executed at program/shared object initialization or close. Signed-off-by: Frediano Ziglio <fziglio@redhat.com> Acked-by: Victor Toso <victortoso@redhat.com>
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009 Red Hat, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MACROS_H
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#define __MACROS_H
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5)
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#define SPICE_ATTR_NORETURN \
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__attribute__((noreturn))
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#define SPICE_ATTR_PRINTF(a,b) \
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__attribute__((format(printf,a,b)))
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#else
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#define SPICE_ATTR_NORETURN
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#define SPICE_ATTR_PRINTF
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#endif /* __GNUC__ */
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#ifdef __GNUC__
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#define SPICE_CONSTRUCTOR_FUNC(func_name) \
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static void __attribute__((constructor)) func_name(void)
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#define SPICE_DESTRUCTOR_FUNC(func_name) \
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static void __attribute__((destructor)) func_name(void)
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#elif defined(_MSC_VER)
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#define SPICE_CONSTRUCTOR_FUNC(func_name) \
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static void func_name(void); \
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static int func_name ## _wrapper(void) { func_name(); return 0; } \
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__pragma(section(".CRT$XCU",read)) \
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__declspec(allocate(".CRT$XCU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
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static void func_name(void)
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#define SPICE_DESTRUCTOR_FUNC(func_name) \
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static void func_name(void); \
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static int func_name ## _wrapper(void) { func_name(); return 0; } \
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__pragma(section(".CRT$XPU",read)) \
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__declspec(allocate(".CRT$XPU")) static int (* _array ## func_name)(void) = func_name ## _wrapper; \
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static void func_name(void)
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#else
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#error Please implement SPICE_CONSTRUCTOR_FUNC and SPICE_DESTRUCTOR_FUNC for this compiler
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#endif
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#endif /* __MACROS_H */
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