| /* Copyright (C) 2009-2019 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 |