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ed9b544e 1/* zmalloc - total amount of allocated memory aware version of malloc()
2 *
12d090d2 3 * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
ed9b544e 4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * * Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * * Neither the name of Redis nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
29d04257 31#ifndef __ZMALLOC_H
32#define __ZMALLOC_H
33
34/* Double expansion needed for stringification of macro values. */
35#define __xstr(s) __str(s)
36#define __str(s) #s
37
38#if defined(USE_TCMALLOC)
39#define ZMALLOC_LIB ("tcmalloc-" __xstr(TC_VERSION_MAJOR) "." __xstr(TC_VERSION_MINOR))
40#include <google/tcmalloc.h>
41#if TC_VERSION_MAJOR >= 1 && TC_VERSION_MINOR >= 6
42#define HAVE_MALLOC_SIZE 1
43#define zmalloc_size(p) tc_malloc_size(p)
44#else
45#error "Newer version of tcmalloc required"
46#endif
47
48#elif defined(USE_JEMALLOC)
49#define ZMALLOC_LIB ("jemalloc-" __xstr(JEMALLOC_VERSION_MAJOR) "." __xstr(JEMALLOC_VERSION_MINOR) "." __xstr(JEMALLOC_VERSION_BUGFIX))
50#define JEMALLOC_MANGLE
51#include <jemalloc/jemalloc.h>
52#if JEMALLOC_VERSION_MAJOR >= 2 && JEMALLOC_VERSION_MINOR >= 1
53#define HAVE_MALLOC_SIZE 1
54#define zmalloc_size(p) JEMALLOC_P(malloc_usable_size)(p)
55#else
56#error "Newer version of jemalloc required"
57#endif
58
59#elif defined(__APPLE__)
60#include <malloc/malloc.h>
61#define HAVE_MALLOC_SIZE 1
62#define zmalloc_size(p) malloc_size(p)
63#endif
64
65#ifndef ZMALLOC_LIB
66#define ZMALLOC_LIB "libc"
67#endif
ed9b544e 68
69void *zmalloc(size_t size);
399f2f40 70void *zcalloc(size_t size);
ed9b544e 71void *zrealloc(void *ptr, size_t size);
092dac2a 72void zfree(void *ptr);
ed9b544e 73char *zstrdup(const char *s);
74size_t zmalloc_used_memory(void);
4ad37480 75void zmalloc_enable_thread_safeness(void);
eddb388e 76float zmalloc_get_fragmentation_ratio(void);
92e28228 77size_t zmalloc_get_rss(void);
59d884af 78void zlibc_free(void *ptr);
ed9b544e 79
442246dd 80#ifndef HAVE_MALLOC_SIZE
81size_t zmalloc_size(void *ptr);
82#endif
83
29d04257 84#endif /* __ZMALLOC_H */