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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libstdc++-v3/libsupc++/cxxabi_forced.h
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libstdc++-v3/libsupc++/cxxabi_forced.h')
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diff --git a/gcc-4.9/libstdc++-v3/libsupc++/cxxabi_forced.h b/gcc-4.9/libstdc++-v3/libsupc++/cxxabi_forced.h
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+// cxxabi.h subset for cancellation -*- C++ -*-
+
+// Copyright (C) 2007-2014 Free Software Foundation, Inc.
+//
+// This file is part of GCC.
+//
+// GCC 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, or (at your option)
+// any later version.
+//
+// GCC 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/>.
+
+/** @file bits/cxxabi_forced.h
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{cxxabi.h}
+ */
+
+#ifndef _CXXABI_FORCED_H
+#define _CXXABI_FORCED_H 1
+
+#pragma GCC system_header
+
+#pragma GCC visibility push(default)
+
+#ifdef __cplusplus
+namespace __cxxabiv1
+{
+ /**
+ * @brief Thrown as part of forced unwinding.
+ * @ingroup exceptions
+ *
+ * A magic placeholder class that can be caught by reference to
+ * recognize forced unwinding.
+ */
+ class __forced_unwind
+ {
+ virtual ~__forced_unwind() throw();
+
+ // Prevent catch by value.
+ virtual void __pure_dummy() = 0;
+ };
+}
+#endif // __cplusplus
+
+#pragma GCC visibility pop
+
+#endif // __CXXABI_FORCED_H