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83ffe9cd | 1 | /* Copyright (C) 2009-2023 Free Software Foundation, Inc. |
0a35513e AH |
2 | Contributed by Richard Henderson <rth@redhat.com>. |
3 | ||
4 | This file is part of the GNU Transactional Memory Library (libitm). | |
5 | ||
6 | Libitm is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | Libitm is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | more details. | |
15 | ||
16 | Under Section 7 of GPL version 3, you are granted additional | |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | You should have received a copy of the GNU General Public License and | |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
24 | ||
25 | #include "libitm_i.h" | |
26 | #include <stdarg.h> | |
27 | #include <stdio.h> | |
28 | ||
29 | namespace GTM HIDDEN { | |
30 | ||
31 | static void | |
32 | gtm_verror (const char *fmt, va_list list) | |
33 | { | |
34 | fputs ("\nlibitm: ", stderr); | |
35 | vfprintf (stderr, fmt, list); | |
36 | fputc ('\n', stderr); | |
37 | } | |
38 | ||
39 | void | |
40 | GTM_error (const char *fmt, ...) | |
41 | { | |
42 | va_list list; | |
43 | ||
44 | va_start (list, fmt); | |
45 | gtm_verror (fmt, list); | |
46 | va_end (list); | |
47 | } | |
48 | ||
49 | void | |
50 | GTM_fatal (const char *fmt, ...) | |
51 | { | |
52 | va_list list; | |
53 | ||
54 | va_start (list, fmt); | |
55 | gtm_verror (fmt, list); | |
56 | va_end (list); | |
57 | ||
58 | exit (EXIT_FAILURE); | |
59 | } | |
60 | ||
61 | void * | |
62 | xmalloc (size_t size, bool separate_cl) | |
63 | { | |
831698b8 L |
64 | void *r; |
65 | #ifdef HAVE_POSIX_MEMALIGN | |
66 | if (separate_cl) | |
67 | { | |
68 | if (posix_memalign (&r, HW_CACHELINE_SIZE, size)) | |
69 | GTM_fatal ("Out of memory allocating %lu bytes aligned on cache line", | |
70 | (unsigned long) size); | |
71 | } | |
72 | else | |
73 | #endif | |
74 | { | |
75 | r = malloc (size); | |
76 | if (r == 0) | |
77 | GTM_fatal ("Out of memory allocating %lu bytes", | |
78 | (unsigned long) size); | |
79 | } | |
0a35513e AH |
80 | return r; |
81 | } | |
82 | ||
7d33bcb7 TR |
83 | void * |
84 | xcalloc (size_t size, bool separate_cl) | |
85 | { | |
86 | // TODO Use posix_memalign if separate_cl is true, or some other allocation | |
87 | // method that will avoid sharing cache lines with data used by other | |
88 | // threads. | |
89 | void *r = calloc (1, size); | |
90 | if (r == 0) | |
91 | GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size); | |
92 | return r; | |
93 | } | |
94 | ||
0a35513e AH |
95 | void * |
96 | xrealloc (void *old, size_t size, bool separate_cl) | |
97 | { | |
98 | // TODO Use posix_memalign if separate_cl is true, or some other allocation | |
99 | // method that will avoid sharing cache lines with data used by other | |
100 | // threads. | |
101 | void *r = realloc (old, size); | |
102 | if (r == 0) | |
103 | GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size); | |
104 | return r; | |
105 | } | |
106 | ||
107 | } // namespace GTM |