aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.8.3/libitm/util.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.8.3/libitm/util.cc')
-rw-r--r--gcc-4.8.3/libitm/util.cc97
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc-4.8.3/libitm/util.cc b/gcc-4.8.3/libitm/util.cc
new file mode 100644
index 000000000..bd2024cce
--- /dev/null
+++ b/gcc-4.8.3/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