glib/glib/gmappedfile.h
Philip Van Hoof ca154c399b GMappedFile: Add API to create from an existing file descriptor
At Tracker we want to mmap files using O_NOATIME. With GMappedFile this is at
the moment impossible. For that reason I added the constructor new_from_fd to
the GMappedFile type.

https://bugzilla.gnome.org/show_bug.cgi?id=659754
2011-09-22 00:01:56 +02:00

53 lines
1.8 KiB
C

/* GLIB - Library of useful routines for C programming
* gmappedfile.h: Simplified wrapper around the mmap function
*
* Copyright 2005 Matthias Clasen
*
* This 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 of the License, or (at your option) any later version.
*
* This 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#ifndef __G_MAPPED_FILE_H__
#define __G_MAPPED_FILE_H__
#include <glib/gerror.h>
G_BEGIN_DECLS
typedef struct _GMappedFile GMappedFile;
GMappedFile *g_mapped_file_new (const gchar *filename,
gboolean writable,
GError **error) G_GNUC_MALLOC;
GMappedFile *g_mapped_file_new_from_fd (gint fd,
gboolean writable,
GError **error) G_GNUC_MALLOC;
gsize g_mapped_file_get_length (GMappedFile *file);
gchar *g_mapped_file_get_contents (GMappedFile *file);
GMappedFile *g_mapped_file_ref (GMappedFile *file);
void g_mapped_file_unref (GMappedFile *file);
#ifndef G_DISABLE_DEPRECATED
void g_mapped_file_free (GMappedFile *file);
#endif
G_END_DECLS
#endif /* __G_MAPPED_FILE_H__ */