[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / m68k / getpagesize.c

/* Copyright (C) 2000-2025 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
   <https://www.gnu.org/licenses/>.  */

#include <unistd.h>
#include <sys/param.h>
#include <errno.h>

#include <ldsodefs.h>
#include <sysdep.h>
#include <sys/syscall.h>

/* Return the system page size.  */
int
__getpagesize (void)
{
  int result;

  if (GLRO(dl_pagesize) != 0)
    return GLRO(dl_pagesize);

  result = INTERNAL_SYSCALL_CALL (getpagesize);
  /* The only possible error is ENOSYS.  */
  if (!INTERNAL_SYSCALL_ERROR_P (result))
    return result;

  return 4096;
}
libc_hidden_def (__getpagesize)
weak_alias (__getpagesize, getpagesize)
Commit	Line	Data
	1	/* Copyright (C) 2000-2025 Free Software Foundation, Inc.
	2	This file is part of the GNU C Library.
	3
	4	The GNU C Library is free software; you can redistribute it and/or
	5	modify it under the terms of the GNU Lesser General Public
	6	License as published by the Free Software Foundation; either
	7	version 2.1 of the License, or (at your option) any later version.
	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	Lesser General Public License for more details.
	13
	14	You should have received a copy of the GNU Lesser General Public
	15	License along with the GNU C Library. If not, see
	16	<https://www.gnu.org/licenses/>. */
	17
	18	#include <unistd.h>
	19	#include <sys/param.h>
	20	#include <errno.h>
	21
	22	#include <ldsodefs.h>
	23	#include <sysdep.h>
	24	#include <sys/syscall.h>
	25
	26	/* Return the system page size. */
	27	int
	28	__getpagesize (void)
	29	{
	30	int result;
	31
	32	if (GLRO(dl_pagesize) != 0)
	33	return GLRO(dl_pagesize);
	34
	35	result = INTERNAL_SYSCALL_CALL (getpagesize);
	36	/* The only possible error is ENOSYS. */
	37	if (!INTERNAL_SYSCALL_ERROR_P (result))
	38	return result;
	39
	40	return 4096;
	41	}
	42	libc_hidden_def (__getpagesize)
	43	weak_alias (__getpagesize, getpagesize)