1 files changed, 85 insertions, 0 deletions
diff --git a/libitm/util.cc b/libitm/util.cc
new file mode 100644
index 00000000000..afd37e41731
--- /dev/null
+++ b/libitm/util.cc
@@ -0,0 +1,85 @@
+/* Copyright (C) 2009, 2011 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 *
+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