Imported Upstream version 3.2.2

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

diff --git a/mblock/src/lib/mb_timer_queue.cc b/mblock/src/lib/mb_timer_queue.cc
new file mode 100644 (file)
index 0000000..1293e8a
--- /dev/null
+++ b/mblock/src/lib/mb_timer_queue.cc
@@ -0,0 +1,63 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2007 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 <mb_timer_queue.h>
+
+static pmt_t
+make_handle()
+{
+  static long counter = 0;
+  pmt_t n = pmt_from_long(counter++);
+  return pmt_list1(n);         // guaranteed to be a unique object
+}
+
+// one-shot constructor
+mb_timeout::mb_timeout(const mb_time &abs_time,
+                      pmt_t user_data, mb_msg_accepter_sptr accepter)
+  : d_when(abs_time), d_is_periodic(false),
+    d_user_data(user_data), d_handle(make_handle()), d_accepter(accepter)
+{
+}
+
+// periodic constructor
+mb_timeout::mb_timeout(const mb_time &first_abs_time, const mb_time &delta_time,
+                      pmt_t user_data, mb_msg_accepter_sptr accepter)
+  : d_when(first_abs_time), d_delta(delta_time), d_is_periodic(true),
+    d_user_data(user_data), d_handle(make_handle()), d_accepter(accepter)
+{
+}
+
+void
+mb_timer_queue::cancel(pmt_t handle)
+{
+  container_type::iterator it;
+
+  for (it = c.begin(); it != c.end();){
+    if (pmt_equal((*it)->handle(), handle))
+      it = c.erase(it);
+    else
+      ++it;
+  }
+  std::make_heap(c.begin(), c.end(), comp);
+}