Imported Upstream version 3.2.2

[debian/gnuradio] / mblock / src / lib / mb_message.cc

diff --git a/mblock/src/lib/mb_message.cc b/mblock/src/lib/mb_message.cc
new file mode 100644 (file)
index 0000000..664e369
--- /dev/null
+++ b/mblock/src/lib/mb_message.cc
@@ -0,0 +1,84 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2008 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio 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.
+ * 
+ * GNU Radio 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.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <mblock/message.h>
+#include <stdio.h>
+#include <pmt_pool.h>
+
+static const int CACHE_LINE_SIZE = 64; // good guess
+static const int MAX_MESSAGES =  1024; // KLUDGE max number of messages in sys
+                                       //   0 -> no limit
+#if MB_MESSAGE_LOCAL_ALLOCATOR
+
+static pmt_pool 
+global_msg_pool(sizeof(mb_message), CACHE_LINE_SIZE, 16*1024, MAX_MESSAGES);
+
+void *
+mb_message::operator new(size_t size)
+{
+  void *p = global_msg_pool.malloc();
+
+  // fprintf(stderr, "mb_message::new p = %p\n", p);
+  assert((reinterpret_cast<intptr_t>(p) & (CACHE_LINE_SIZE - 1)) == 0);
+  return p;
+}
+
+void
+mb_message::operator delete(void *p, size_t size)
+{
+  global_msg_pool.free(p);
+}
+
+#endif
+
+
+mb_message_sptr
+mb_make_message(pmt_t signal, pmt_t data, pmt_t metadata, mb_pri_t priority)
+{
+  return mb_message_sptr(new mb_message(signal, data, metadata, priority));
+}
+
+mb_message::mb_message(pmt_t signal, pmt_t data, pmt_t metadata, mb_pri_t priority)
+  : d_signal(signal), d_data(data), d_metadata(metadata), d_priority(priority),
+    d_port_id(PMT_NIL)
+{
+}
+
+mb_message::~mb_message()
+{
+  // NOP
+}
+
+std::ostream& 
+operator<<(std::ostream& os, const mb_message &msg)
+{
+  os << "<msg: signal=" << msg.signal()
+     << " port_id=" << msg.port_id()
+     << " data=" << msg.data()
+     << " metadata=" << msg.metadata()
+     << " pri=" << msg.priority()
+     << ">";
+  
+  return os;
+}