Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / src / condition_variable.cc

diff --git a/libstdc++-v3/src/condition_variable.cc b/libstdc++-v3/src/condition_variable.cc
new file mode 100644 (file)
index 0000000..f7379cd
--- /dev/null
+++ b/libstdc++-v3/src/condition_variable.cc
@@ -0,0 +1,101 @@
+// condition_variable -*- C++ -*-
+
+// Copyright (C) 2008, 2009 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 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 <condition_variable>
+
+#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1)
+
+namespace std
+{
+  condition_variable::condition_variable()
+  {
+#ifdef __GTHREAD_COND_INIT
+    __native_type __tmp = __GTHREAD_COND_INIT;
+    _M_cond = __tmp;
+#else
+    int __e = __gthread_cond_init(&_M_cond, NULL);
+
+    if (__e)
+      __throw_system_error(__e);
+#endif
+  }
+
+  condition_variable::~condition_variable()
+  {
+    // XXX no thread blocked
+    /* int __e = */ __gthread_cond_destroy(&_M_cond);
+    // if __e == EBUSY then blocked
+  }
+
+  void
+  condition_variable::wait(unique_lock<mutex>& __lock)
+  {
+    int __e = __gthread_cond_wait(&_M_cond, __lock.mutex()->native_handle());
+
+    if (__e)
+      __throw_system_error(__e);
+  }
+
+  void
+  condition_variable::notify_one()
+  {
+    int __e = __gthread_cond_signal(&_M_cond);
+
+    // XXX not in spec
+    // EINVAL
+    if (__e)
+      __throw_system_error(__e);
+  }
+
+  void
+  condition_variable::notify_all()
+  {
+    int __e = __gthread_cond_broadcast(&_M_cond);
+
+    // XXX not in spec
+    // EINVAL
+    if (__e)
+      __throw_system_error(__e);
+  }
+
+  condition_variable_any::condition_variable_any()
+  {
+#ifdef __GTHREAD_COND_INIT
+    __native_type __tmp = __GTHREAD_COND_INIT;
+    _M_cond = __tmp;
+#else
+    int __e = __gthread_cond_init(&_M_cond, NULL);
+
+    if (__e)
+      __throw_system_error(__e);
+#endif
+  }
+
+  condition_variable_any::~condition_variable_any()
+  {
+    __gthread_cond_destroy(&_M_cond);
+  }
+}
+
+#endif // _GLIBCXX_HAS_GTHREADS && _GLIBCXX_USE_C99_STDINT_TR1