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author | Ben Cheng <bccheng@google.com> | 2013-03-28 11:14:20 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2013-03-28 12:40:33 -0700 |
commit | af0c51ac87ab2a87caa03fa108f0d164987a2764 (patch) | |
tree | 4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/libitm/util.cc | |
parent | d87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff) | |
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[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/libitm/util.cc')
-rw-r--r-- | gcc-4.8/libitm/util.cc | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc-4.8/libitm/util.cc b/gcc-4.8/libitm/util.cc new file mode 100644 index 000000000..bd2024cce --- /dev/null +++ b/gcc-4.8/libitm/util.cc @@ -0,0 +1,97 @@ +/* Copyright (C) 2009-2013 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) +{ + // 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 = 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 |