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/* ====================================================================
* Copyright (c) 1999 The Apache Group. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* 4. The names "Apache Server" and "Apache Group" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the Apache Group
* for use in the Apache HTTP server project (http://www.apache.org/)."
*
* THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
* EXPRESSED 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 APACHE GROUP OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Group.
* For more information on the Apache Group and the Apache HTTP server
* project, please see <http://www.apache.org/>.
*
*/
#ifndef APR_SHMEM_H
#define APR_SHMEM_H
#include "apr.h"
#include "apr_general.h"
#include "apr_errno.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#if APR_USES_ANONYMOUS_SHM
typedef void ap_shm_name_t;
#elif APR_USES_FILEBASED_SHM
typedef char * ap_shm_name_t;
#elif APR_USES_KEYBASED_SHM
typedef key_t ap_shm_name_t;
#endif
typedef struct shmem_t ap_shmem_t;
ap_status_t ap_shm_init(ap_shmem_t **m, ap_size_t reqsize, const char *file);
ap_status_t ap_shm_destroy(ap_shmem_t *m);
void *ap_shm_malloc(ap_shmem_t *c, ap_size_t reqsize);
void *ap_shm_calloc(ap_shmem_t *shared, ap_size_t size);
ap_status_t ap_shm_free(ap_shmem_t *shared, void *free);
ap_status_t ap_get_shm_name(ap_shmem_t *c, ap_shm_name_t **name);
ap_status_t ap_set_shm_name(ap_shmem_t *c, ap_shm_name_t *name);
ap_status_t ap_open_shmem(ap_shmem_t *c);
ap_status_t ap_shm_avail(ap_shmem_t *c, ap_size_t *avail);
#ifdef __cplusplus
}
#endif
#endif /* ! APR_FILE_IO_H */
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