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98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/* Copyright (C) 2009-2015 Free Software Foundation, Inc.
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Contributed by Richard Henderson <rth@redhat.com>.
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This file is part of the GNU Transactional Memory Library (libitm).
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Libitm is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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Libitm is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libitm_i.h"
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#include <stdarg.h>
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#include <stdio.h>
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namespace GTM HIDDEN {
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static void
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gtm_verror (const char *fmt, va_list list)
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{
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fputs ("\nlibitm: ", stderr);
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vfprintf (stderr, fmt, list);
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fputc ('\n', stderr);
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}
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void
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GTM_error (const char *fmt, ...)
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{
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va_list list;
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va_start (list, fmt);
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gtm_verror (fmt, list);
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va_end (list);
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}
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void
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GTM_fatal (const char *fmt, ...)
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{
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va_list list;
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va_start (list, fmt);
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gtm_verror (fmt, list);
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va_end (list);
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exit (EXIT_FAILURE);
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}
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void *
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xmalloc (size_t size, bool separate_cl)
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{
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// TODO Use posix_memalign if separate_cl is true, or some other allocation
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// method that will avoid sharing cache lines with data used by other
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// threads.
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void *r = malloc (size);
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if (r == 0)
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GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
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return r;
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}
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void *
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xcalloc (size_t size, bool separate_cl)
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{
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// TODO Use posix_memalign if separate_cl is true, or some other allocation
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// method that will avoid sharing cache lines with data used by other
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// threads.
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void *r = calloc (1, size);
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if (r == 0)
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GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
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return r;
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}
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void *
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xrealloc (void *old, size_t size, bool separate_cl)
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{
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// TODO Use posix_memalign if separate_cl is true, or some other allocation
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// method that will avoid sharing cache lines with data used by other
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// threads.
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void *r = realloc (old, size);
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if (r == 0)
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GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
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return r;
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}
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} // namespace GTM
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