108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
/* Copyright (C) 2009-2016 Free Software Foundation, Inc.
|
|
Contributed by Richard Henderson <rth@redhat.com>.
|
|
|
|
This file is part of the GNU Transactional Memory Library (libitm).
|
|
|
|
Libitm 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Libitm 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.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "libitm_i.h"
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
|
|
namespace GTM HIDDEN {
|
|
|
|
static void
|
|
gtm_verror (const char *fmt, va_list list)
|
|
{
|
|
fputs ("\nlibitm: ", stderr);
|
|
vfprintf (stderr, fmt, list);
|
|
fputc ('\n', stderr);
|
|
}
|
|
|
|
void
|
|
GTM_error (const char *fmt, ...)
|
|
{
|
|
va_list list;
|
|
|
|
va_start (list, fmt);
|
|
gtm_verror (fmt, list);
|
|
va_end (list);
|
|
}
|
|
|
|
void
|
|
GTM_fatal (const char *fmt, ...)
|
|
{
|
|
va_list list;
|
|
|
|
va_start (list, fmt);
|
|
gtm_verror (fmt, list);
|
|
va_end (list);
|
|
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
|
|
void *
|
|
xmalloc (size_t size, bool separate_cl)
|
|
{
|
|
void *r;
|
|
#ifdef HAVE_POSIX_MEMALIGN
|
|
if (separate_cl)
|
|
{
|
|
if (posix_memalign (&r, HW_CACHELINE_SIZE, size))
|
|
GTM_fatal ("Out of memory allocating %lu bytes aligned on cache line",
|
|
(unsigned long) size);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
r = malloc (size);
|
|
if (r == 0)
|
|
GTM_fatal ("Out of memory allocating %lu bytes",
|
|
(unsigned long) size);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
void *
|
|
xcalloc (size_t size, bool separate_cl)
|
|
{
|
|
// TODO Use posix_memalign if separate_cl is true, or some other allocation
|
|
// method that will avoid sharing cache lines with data used by other
|
|
// threads.
|
|
void *r = calloc (1, size);
|
|
if (r == 0)
|
|
GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
|
|
return r;
|
|
}
|
|
|
|
void *
|
|
xrealloc (void *old, size_t size, bool separate_cl)
|
|
{
|
|
// TODO Use posix_memalign if separate_cl is true, or some other allocation
|
|
// method that will avoid sharing cache lines with data used by other
|
|
// threads.
|
|
void *r = realloc (old, size);
|
|
if (r == 0)
|
|
GTM_fatal ("Out of memory allocating %lu bytes", (unsigned long) size);
|
|
return r;
|
|
}
|
|
|
|
} // namespace GTM
|