1 /* Copyright (C) 2009-2023 Free Software Foundation, Inc.
2 Contributed by Richard Henderson <rth@redhat.com>.
4 This file is part of the GNU Transactional Memory Library (libitm).
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.
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
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.
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/>. */
29 namespace GTM HIDDEN {
32 gtm_verror (const char *fmt, va_list list)
34 fputs ("\nlibitm: ", stderr);
35 vfprintf (stderr, fmt, list);
40 GTM_error (const char *fmt, ...)
45 gtm_verror (fmt, list);
50 GTM_fatal (const char *fmt, ...)
55 gtm_verror (fmt, list);
62 xmalloc (size_t size, bool separate_cl)
65 #ifdef HAVE_POSIX_MEMALIGN
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);
77 GTM_fatal ("Out of memory allocating %lu bytes",
78 (unsigned long) size);
84 xcalloc (size_t size, bool separate_cl)
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
89 void *r = calloc (1, size);
91 GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
96 xrealloc (void *old, size_t size, bool separate_cl)
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
101 void *r = realloc (old, size);
103 GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);