corosync/include/corosync/lcr/lcr_ckpt.h

/*
 * Copyright (C) 2006 Steven Dake (sdake@redhat.com)
 *
 * This software licensed under BSD license, the text of which follows:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * - Neither the name of the MontaVista Software, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef LCR_CKPT_H_DEFINED
#define LCR_CKPT_H_DEFINED

/*
 * Write data of length data_len into the section name for ckpt_handle
 */
int lcr_ckpt_section_write (void *ckpt_handle, const char *name,
			    const void *data, size_t data_len);

/*
 * Read the section name into data with data len.  Returned in data_len is the
 * actual data read from ckpt_handle.
 */
int lcr_ckpt_section_read (void *ckpt_handle, const char *name,
			   void *data, size_t *data_len);

/*
 * Initialize the section iterator to the first section
 */
int lcr_ckpt_section_iterator_first (void *ckpt_handle);

/*
 * Get the current section, return it in name, and advance to next section
 */
int lcr_ckpt_section_iterator_next (void *ckpt_handle, char **name);

#endif /* LCR_CKPT_H_DEFINED */