[thirdparty/glibc.git] / sysdeps / generic / dl-sysdep.h

/* System-specific settings for dynamic linker code.  Generic version.
   Copyright (C) 2002-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C 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 2.1 of the License, or (at your option) any later version.

   The GNU C 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 the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/* No multiple inclusion protection need here because it's just macros.
   We don't want to use _DL_SYSDEP_H in case we are #include_next'd.  */

/* This macro must be defined to either 0 or 1.

   If 1, then an errno global variable hidden in ld.so will work right with
   all the errno-using libc code compiled for ld.so, and there is never a
   need to share the errno location with libc.  This is appropriate only if
   all the libc functions that ld.so uses are called without PLT and always
   get the versions linked into ld.so rather than the libc ones.  */

#ifdef IS_IN_rtld
# define RTLD_PRIVATE_ERRNO 1
#else
# define RTLD_PRIVATE_ERRNO 0
#endif
Commit	Line	Data
ce460d04	1	/* System-specific settings for dynamic linker code. Generic version.
d4697bc9	2	Copyright (C) 2002-2014 Free Software Foundation, Inc.
fb23eb25 UD	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	16	License along with the GNU C Library; if not, see
59ba27a6 PE	17	<http://www.gnu.org/licenses/>. */
fb23eb25	18
453d8199 RM	19	/* No multiple inclusion protection need here because it's just macros.
453d8199 RM	20	We don't want to use _DL_SYSDEP_H in case we are #include_next'd. */
f04a2721	21
ce460d04	22	/* This macro must be defined to either 0 or 1.
fb23eb25	23
ce460d04 RM	24	If 1, then an errno global variable hidden in ld.so will work right with
	25	all the errno-using libc code compiled for ld.so, and there is never a
	26	need to share the errno location with libc. This is appropriate only if
	27	all the libc functions that ld.so uses are called without PLT and always
	28	get the versions linked into ld.so rather than the libc ones. */
	29
5f5843e3 UD	30	#ifdef IS_IN_rtld
	31	# define RTLD_PRIVATE_ERRNO 1
	32	#else
	33	# define RTLD_PRIVATE_ERRNO 0
	34	#endif