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kamailio/mem/shm.h

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3.3 KiB

/*
* Copyright (C) 2015 Daniel-Constantin Mierla (asipto.com)
*
* This file is part of Kamailio, a free SIP server.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _sr_shm_h_
#define _sr_shm_h_
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/ipc.h>
#ifndef SHM_MMAP
#include <sys/shm.h>
#endif
#include <sys/sem.h>
#include "memapi.h"
#include "../dprint.h"
#include "../lock_ops.h" /* we don't include locking.h on purpose */
extern gen_lock_t* _shm_lock;
#define shm_lock() lock_get(_shm_lock)
#define shm_unlock() lock_release(_shm_lock)
int shm_core_lock_init(void);
void shm_core_lock_destroy(void);
extern sr_shm_api_t _shm_root;
#ifdef DBG_SR_MEMORY
# define shm_malloc(s) _shm_root.xmalloc(_shm_root.mem_block, (s), _SRC_LOC_, \
_SRC_FUNCTION_, _SRC_LINE_, _SRC_MODULE_)
# define shm_malloc_unsafe(s) _shm_root.xmalloc_unsafe(_shm_root.mem_block, (s), _SRC_LOC_, \
_SRC_FUNCTION_, _SRC_LINE_, _SRC_MODULE_)
# define shm_realloc(p, s) _shm_root.xrealloc(_shm_root.mem_block, (p), (s), \
_SRC_LOC_, _SRC_FUNCTION_, _SRC_LINE_, _SRC_MODULE_)
# define shm_resize(p, s) _shm_root.xresize(_shm_root.mem_block, (p), (s), \
_SRC_LOC_, _SRC_FUNCTION_, _SRC_LINE_, _SRC_MODULE_)
# define shm_free(p) _shm_root.xfree(_shm_root.mem_block, (p), _SRC_LOC_, \
_SRC_FUNCTION_, _SRC_LINE_, _SRC_MODULE_)
# define shm_free_unsafe(p) _shm_root.xfree_unsafe(_shm_root.mem_block, (p), _SRC_LOC_, \
_SRC_FUNCTION_, _SRC_LINE_, _SRC_MODULE_)
#else
# define shm_malloc(s) _shm_root.xmalloc(_shm_root.mem_block, (s))
# define shm_malloc_unsafe(s) _shm_root.xmalloc_unsafe(_shm_root.mem_block, (s))
# define shm_realloc(p, s) _shm_root.xrealloc(_shm_root.mem_block, (p), (s))
# define shm_resize(p, s) _shm_root.xresize(_shm_root.mem_block, (p), (s))
# define shm_free(p) _shm_root.xfree(_shm_root.mem_block, (p))
# define shm_free_unsafe(p) _shm_root.xfree_unsafe(_shm_root.mem_block, (p))
#endif
# define shm_status() _shm_root.xstatus(_shm_root.mem_block)
# define shm_info(mi) _shm_root.xinfo(_shm_root.mem_block, mi)
# define shm_available() _shm_root.xavailable(_shm_root.mem_block)
# define shm_sums() _shm_root.xsums(_shm_root.mem_block)
# define shm_mod_get_stats(x) _shm_root.xmodstats(_shm_root.mem_block, x)
# define shm_mod_free_stats(x) _shm_root.xfmodstats(x)
void* shm_core_get_pool(void);
int shm_init_api(sr_shm_api_t *ap);
int shm_init_manager(char *name);
void shm_destroy_manager(void);
void shm_print_manager(void);
#define shm_available_safe() shm_available()
#define shm_malloc_on_fork() do{}while(0)
#endif