[thirdparty/glibc.git] / misc / sys / auxv.h

/* Access to the auxiliary vector.
   Copyright (C) 2012-2019 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/>.  */

#ifndef _SYS_AUXV_H
#define _SYS_AUXV_H 1

#include <elf.h>
#include <sys/cdefs.h>
#include <bits/hwcap.h>

__BEGIN_DECLS

/* Return the value associated with an Elf*_auxv_t type from the auxv list
   passed to the program on startup.  If TYPE was not present in the auxv
   list, returns zero and sets errno to ENOENT.  */
extern unsigned long int getauxval (unsigned long int __type)
  __THROW;

__END_DECLS

#endif /* sys/auxv.h */
Commit	Line	Data
c7683a6d	1	/* Access to the auxiliary vector.
04277e02	2	Copyright (C) 2012-2019 Free Software Foundation, Inc.
c7683a6d RH	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
	16	License along with the GNU C Library; if not, see
	17	<http://www.gnu.org/licenses/>. */
	18
	19	#ifndef _SYS_AUXV_H
	20	#define _SYS_AUXV_H 1
	21
	22	#include <elf.h>
4a56a162	23	#include <sys/cdefs.h>
c7683a6d RH	24	#include <bits/hwcap.h>
	25
	26	__BEGIN_DECLS
	27
	28	/* Return the value associated with an Elf*_auxv_t type from the auxv list
4a56a162	29	passed to the program on startup. If TYPE was not present in the auxv
b9ab448f	30	list, returns zero and sets errno to ENOENT. */
4a56a162	31	extern unsigned long int getauxval (unsigned long int __type)
b9ab448f	32	__THROW;
c7683a6d RH	33
	34	__END_DECLS
	35
	36	#endif /* sys/auxv.h */