/*
* Copyright 2014-2017, Intel Corporation
*
* 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 copyright holder 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.
*/
/*
* libpmemobj/pool_base.h -- definitions of libpmemobj pool entry points
*/
#ifndef LIBPMEMOBJ_POOL_BASE_H
#define LIBPMEMOBJ_POOL_BASE_H 1
#include <stddef.h>
#include <sys/types.h>
#include <libpmemobj/base.h>
#ifdef __cplusplus
extern "C" {
#endif
#define PMEMOBJ_MIN_POOL ((size_t)(1024 * 1024 * 8)) /* 8 MiB */
/*
* This limit is set arbitrary to incorporate a pool header and required
* alignment plus supply.
*/
#define PMEMOBJ_MIN_PART ((size_t)(1024 * 1024 * 2)) /* 2 MiB */
/*
* Pool management.
*/
#ifdef _WIN32
#ifndef PMDK_UTF8_API
#define pmemobj_open pmemobj_openW
#define pmemobj_create pmemobj_createW
#define pmemobj_check pmemobj_checkW
#else
#define pmemobj_open pmemobj_openU
#define pmemobj_create pmemobj_createU
#define pmemobj_check pmemobj_checkU
#endif
#endif
#ifndef _WIN32
PMEMobjpool *pmemobj_open(const char *path, const char *layout);
#else
PMEMobjpool *pmemobj_openU(const char *path, const char *layout);
PMEMobjpool *pmemobj_openW(const wchar_t *path, const wchar_t *layout);
#endif
#ifndef _WIN32
PMEMobjpool *pmemobj_create(const char *path, const char *layout,
size_t poolsize, mode_t mode);
#else
PMEMobjpool *pmemobj_createU(const char *path, const char *layout,
size_t poolsize, mode_t mode);
PMEMobjpool *pmemobj_createW(const wchar_t *path, const wchar_t *layout,
size_t poolsize, mode_t mode);
#endif
#ifndef _WIN32
int pmemobj_check(const char *path, const char *layout);
#else
int pmemobj_checkU(const char *path, const char *layout);
int pmemobj_checkW(const wchar_t *path, const wchar_t *layout);
#endif
void pmemobj_close(PMEMobjpool *pop);
/*
* If called for the first time on a newly created pool, the root object
* of given size is allocated. Otherwise, it returns the existing root object.
* In such case, the size must be not less than the actual root object size
* stored in the pool. If it's larger, the root object is automatically
* resized.
*
* This function is thread-safe.
*/
PMEMoid pmemobj_root(PMEMobjpool *pop, size_t size);
/*
* Same as above, but calls the constructor function when the object is first
* created and on all subsequent reallocations.
*/
PMEMoid pmemobj_root_construct(PMEMobjpool *pop, size_t size,
pmemobj_constr constructor, void *arg);
/*
* Returns the size in bytes of the root object. Always equal to the requested
* size.
*/
size_t pmemobj_root_size(PMEMobjpool *pop);
#ifdef __cplusplus
}
#endif
#endif /* libpmemobj/pool_base.h */