[thirdparty/glibc.git] / misc / msync.c

/* Copyright (C) 1994-2019 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/>.  */

#include <sys/types.h>
#include <sys/mman.h>
#include <errno.h>

/* Synchronize the region starting at ADDR and extending LEN bytes with the
   file it maps.  Filesystem operations on a file being mapped are
   unpredictable before this is done.  */

int
msync (void *addr, size_t len, int flags)
{
  __set_errno (ENOSYS);
  return -1;
}

stub_warning (msync)
Commit	Line	Data
04277e02	1	/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
1fb05e3d	2	This file is part of the GNU C Library.
28f540f4	3
1fb05e3d	4	The GNU C Library is free software; you can redistribute it and/or
41bdb6e2 AJ	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.
28f540f4	8
1fb05e3d UD	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
41bdb6e2	12	Lesser General Public License for more details.
28f540f4	13
41bdb6e2	14	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	15	License along with the GNU C Library; if not, see
59ba27a6 PE	16	<http://www.gnu.org/licenses/>. */
28f540f4 RM	17
	18	#include <sys/types.h>
	19	#include <sys/mman.h>
	20	#include <errno.h>
	21
	22	/* Synchronize the region starting at ADDR and extending LEN bytes with the
	23	file it maps. Filesystem operations on a file being mapped are
	24	unpredictable before this is done. */
	25
	26	int
f17a4233	27	msync (void *addr, size_t len, int flags)
28f540f4	28	{
c4029823	29	__set_errno (ENOSYS);
28f540f4 RM	30	return -1;
28f540f4 RM	31	}
10ceac89 RM	32
10ceac89 RM	33	stub_warning (msync)