coroutine: initial commit

[SVN r81769]

performance/bind_processor_freebsd.cpp

@@ -0,0 +1,29 @@
+
+//          Copyright Oliver Kowalke 2009.
+// Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//          http://www.boost.org/LICENSE_1_0.txt)
+
+#include "bind_processor.hpp"
+
+extern "C"
+{
+#include <sys/param.h>
+#include <sys/cpuset.h>
+}
+
+#include <stdexcept>
+
+#include <boost/config/abi_prefix.hpp>
+
+void bind_to_processor( unsigned int n)
+{
+    cpuset_t cpuset;
+    CPU_ZERO( & cpuset);
+    CPU_SET( n, & cpuset);
+
+    if ( ::cpuset_setaffinity(  CPU_LEVEL_WHICH, CPU_WHICH_TID, -1, sizeof( cpuset), & cpuset) == -1)
+        throw std::runtime_error("::cpuset_setaffinity() failed");
+}
+
+#include <boost/config/abi_suffix.hpp>