1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include "flint.h"
#if HAVE_GC
#include "gc.h"
#endif
#if FLINT_REENTRANT && !HAVE_TLS
#include <pthread.h>
static pthread_once_t register_initialised = PTHREAD_ONCE_INIT;
pthread_mutex_t register_lock;
#endif
static void flint_memory_error()
{
flint_printf("Exception (FLINT memory_manager). Unable to allocate memory.\n");
abort();
}
void * flint_malloc(size_t size)
{
void * ptr;
#if HAVE_GC
ptr = GC_malloc(size);
#else
ptr = malloc(size);
#endif
if (ptr == NULL)
flint_memory_error();
return ptr;
}
void * flint_realloc(void * ptr, size_t size)
{
void * ptr2;
#if HAVE_GC
ptr2 = GC_realloc(ptr, size);
#else
ptr2 = realloc(ptr, size);
#endif
if (ptr2 == NULL)
flint_memory_error();
return ptr2;
}
void * flint_calloc(size_t num, size_t size)
{
void * ptr;
#if HAVE_GC
ptr = GC_malloc(num*size);
#else
ptr = calloc(num, size);
#endif
if (ptr == NULL)
flint_memory_error();
return ptr;
}
void flint_free(void * ptr)
{
#if !HAVE_GC
free(ptr);
#endif
}
FLINT_TLS_PREFIX size_t flint_num_cleanup_functions = 0;
FLINT_TLS_PREFIX flint_cleanup_function_t * flint_cleanup_functions = NULL;
#if FLINT_REENTRANT && !HAVE_TLS
void register_init()
{
pthread_mutex_init(®ister_lock, NULL);
}
#endif
void flint_register_cleanup_function(flint_cleanup_function_t cleanup_function)
{
#if FLINT_REENTRANT && !HAVE_TLS
pthread_once(®ister_initialised, register_init);
pthread_mutex_lock(®ister_lock);
#endif
flint_cleanup_functions = flint_realloc(flint_cleanup_functions,
(flint_num_cleanup_functions + 1) * sizeof(flint_cleanup_function_t));
flint_cleanup_functions[flint_num_cleanup_functions] = cleanup_function;
flint_num_cleanup_functions++;
#if FLINT_REENTRANT && !HAVE_TLS
pthread_mutex_unlock(®ister_lock);
#endif
}
void _fmpz_cleanup();
void flint_cleanup()
{
size_t i;
#if FLINT_REENTRANT && !HAVE_TLS
pthread_mutex_lock(®ister_lock);
#endif
for (i = 0; i < flint_num_cleanup_functions; i++)
flint_cleanup_functions[i]();
flint_free(flint_cleanup_functions);
flint_cleanup_functions = NULL;
flint_num_cleanup_functions = 0;
mpfr_free_cache();
_fmpz_cleanup();
#if FLINT_REENTRANT && !HAVE_TLS
pthread_mutex_unlock(®ister_lock);
#endif
}
|
