src/lib/librthread/namespace.h

44 lines
1.7 KiB
C

/* $OpenBSD: namespace.h,v 1.1 2016/04/02 19:56:53 guenther Exp $ */
#ifndef _LIBPTHREAD_NAMESPACE_H_
#define _LIBPTHREAD_NAMESPACE_H_
/*
* Copyright (c) 2016 Philip Guenther <guenther@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h> /* for __dso_hidden and __strong_alias */
#ifndef PIC
# define WEAK_IN_STATIC_ALIAS(x,y) __weak_alias(x,y)
# define WEAK_IN_STATIC __attribute__((weak))
#else
# define WEAK_IN_STATIC_ALIAS(x,y) __strong_alias(x,y)
# define WEAK_IN_STATIC /* nothing */
#endif
#define HIDDEN(x) _libpthread_##x
#define HIDDEN_STRING(x) "_libpthread_" __STRING(x)
#define PROTO_NORMAL(x) __dso_hidden typeof(x) x asm(HIDDEN_STRING(x))
#define PROTO_STD_DEPRECATED(x) typeof(x) x __attribute__((deprecated))
#define PROTO_DEPRECATED(x) PROTO_STD_DEPRECATED(x) WEAK_IN_STATIC
#define DEF_STD(x) __strong_alias(x, HIDDEN(x))
#define DEF_NONSTD(x) WEAK_IN_STATIC_ALIAS(x, HIDDEN(x))
#endif /* _LIBPTHREAD_NAMESPACE_H_ */