cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / c++ / 4.7 / profile / impl / profiler_state.h

diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/profile/impl/profiler_state.h b/i686-linux-gnu-4.7/usr/include/c++/4.7/profile/impl/profiler_state.h
new file mode 100644 (file)
index 0000000..b0f5f8b
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/profile/impl/profiler_state.h
@@ -0,0 +1,69 @@
+// -*- C++ -*-
+//
+// Copyright (C) 2009, 2010, 2012 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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.
+//
+// This library 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 along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+/** @file profile/impl/profiler_state.h
+ *  @brief Global profiler state.
+ */
+
+// Written by Lixia Liu and Silvius Rus.
+
+#ifndef _GLIBCXX_PROFILE_PROFILER_STATE_H
+#define _GLIBCXX_PROFILE_PROFILER_STATE_H 1
+
+namespace __gnu_profile
+{
+  enum __state_type { __ON, __OFF, __INVALID };
+
+  _GLIBCXX_PROFILE_DEFINE_DATA(__state_type, __state, __INVALID);
+
+  inline bool
+  __turn(__state_type __s)
+  { 
+    __state_type inv(__INVALID);
+    return __atomic_compare_exchange_n(&_GLIBCXX_PROFILE_DATA(__state),
+                                      &inv, __s, false, __ATOMIC_ACQ_REL, 
+                                      __ATOMIC_RELAXED);
+  }
+
+  inline bool
+  __turn_on()
+  { return __turn(__ON); }
+
+  inline bool
+  __turn_off()
+  { return __turn(__OFF); }
+
+  inline bool
+  __is_on()
+  { return _GLIBCXX_PROFILE_DATA(__state) == __ON; }
+
+  inline bool
+  __is_off()
+  { return _GLIBCXX_PROFILE_DATA(__state) == __OFF; }
+
+  inline bool
+  __is_invalid()
+  { return _GLIBCXX_PROFILE_DATA(__state) == __INVALID; }
+
+} // end namespace __gnu_profile
+#endif /* _GLIBCXX_PROFILE_PROFILER_STATE_H */