mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 04:50:07 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Memory allocation next to an unmapped page.
|
|
Copyright (C) 2017-2019 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 SUPPORT_NEXT_TO_FAULT_H
|
|
#define SUPPORT_NEXT_TO_FAULT_H
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/types.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/* The memory region created by next_to_fault_allocate. */
|
|
struct support_next_to_fault
|
|
{
|
|
/* The user data. */
|
|
char *buffer;
|
|
size_t length;
|
|
|
|
/* The entire allocated region. */
|
|
void *region_start;
|
|
size_t region_size;
|
|
};
|
|
|
|
/* Allocate a buffer of SIZE bytes just before a page which is mapped
|
|
with PROT_NONE (so that overrunning the buffer will cause a
|
|
fault). */
|
|
struct support_next_to_fault support_next_to_fault_allocate (size_t size);
|
|
|
|
/* Deallocate the memory region allocated by
|
|
next_to_fault_allocate. */
|
|
void support_next_to_fault_free (struct support_next_to_fault *);
|
|
|
|
#endif /* SUPPORT_NEXT_TO_FAULT_H */
|