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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. 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. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" 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 name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``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 SOFTWARE FOUNDATION 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 Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "apr_general.h"
#include "apr_shmem.h"
#include "apr_errno.h"
#include "apr_lib.h"
#include <umalloc.h>
#include <stdlib.h>
#define INCL_DOS
#include <os2.h>
struct shmem_t {
void *memblock;
Heap_t heap;
};
ap_status_t ap_shm_init(struct shmem_t **m, ap_size_t reqsize, const char *file, ap_pool_t *cont)
{
int rc;
struct shmem_t *newm = (struct shmem_t *)ap_palloc(cont, sizeof(struct shmem_t));
char *name = NULL;
if (file)
name = ap_pstrcat(cont, "\\SHAREMEM\\", file, NULL);
rc = DosAllocSharedMem(&(newm->memblock), name, reqsize, PAG_COMMIT|OBJ_GETTABLE|PAG_READ|PAG_WRITE);
if (rc)
return APR_OS2_STATUS(rc);
newm->heap = _ucreate(newm->memblock, reqsize, !_BLOCK_CLEAN, _HEAP_REGULAR|_HEAP_SHARED, NULL, NULL);
_uopen(newm->heap);
*m = newm;
return APR_SUCCESS;
}
ap_status_t ap_shm_destroy(struct shmem_t *m)
{
_uclose(m->heap);
_udestroy(m->heap, _FORCE);
DosFreeMem(m->memblock);
return APR_SUCCESS;
}
void *ap_shm_malloc(struct shmem_t *m, ap_size_t reqsize)
{
return _umalloc(m->heap, reqsize);
}
void *ap_shm_calloc(struct shmem_t *m, ap_size_t size)
{
return _ucalloc(m->heap, size, 1);
}
ap_status_t ap_shm_free(struct shmem_t *m, void *entity)
{
free(entity);
return APR_SUCCESS;
}
ap_status_t ap_get_shm_name(ap_shmem_t *c, ap_shm_name_t **name)
{
return APR_ANONYMOUS;
}
ap_status_t ap_set_shm_name(ap_shmem_t *c, ap_shm_name_t *name)
{
return APR_ANONYMOUS;
}
ap_status_t ap_open_shmem(struct shmem_t *m)
{
int rc;
rc = DosGetSharedMem(m->memblock, PAG_READ|PAG_WRITE);
if (rc)
return APR_OS2_STATUS(rc);
_uopen(m->heap);
return APR_SUCCESS;
}
ap_status_t ap_shm_avail(struct shmem_t *c, ap_size_t *size)
{
return APR_ENOTIMPL;
}
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