Imported Upstream version 3.2.2

[debian/gnuradio] / mblock / src / lib / mb_runtime_thread_per_block.h

diff --git a/mblock/src/lib/mb_runtime_thread_per_block.h b/mblock/src/lib/mb_runtime_thread_per_block.h
new file mode 100644 (file)
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--- /dev/null
+++ b/mblock/src/lib/mb_runtime_thread_per_block.h
@@ -0,0 +1,84 @@
+/* -*- 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.
+ */
+#ifndef INCLUDED_MB_RUNTIME_THREAD_PER_BLOCK_H
+#define INCLUDED_MB_RUNTIME_THREAD_PER_BLOCK_H
+
+#include <mb_runtime_base.h>
+#include <mb_worker.h>
+#include <mblock/msg_queue.h>
+#include <mb_timer_queue.h>
+
+/*!
+ * \brief Concrete runtime that uses a thread per mblock
+ * \internal
+ *
+ * These are all implementation details.
+ */
+class mb_runtime_thread_per_block : public mb_runtime_base
+{
+public:
+  omni_mutex                 d_workers_mutex;  // hold while manipulating d_workers
+  std::vector<mb_worker*>     d_workers;
+  bool                       d_shutdown_in_progress;
+  pmt_t                              d_shutdown_result;
+  mb_msg_queue               d_msgq;
+  mb_timer_queue             d_timer_queue;
+
+  typedef std::vector<mb_worker*>::iterator  worker_iter_t;
+
+  mb_runtime_thread_per_block();
+  ~mb_runtime_thread_per_block();
+
+  bool run(const std::string &instance_name,
+          const std::string &class_name,
+          pmt_t user_arg,
+          pmt_t *result);
+
+  void request_shutdown(pmt_t result);
+
+protected:
+  mb_mblock_sptr
+  create_component(const std::string &instance_name,
+                  const std::string &class_name,
+                  pmt_t user_arg);
+
+  pmt_t
+  schedule_one_shot_timeout(const mb_time &abs_time, pmt_t user_data,
+                           mb_msg_accepter_sptr accepter);
+
+  pmt_t
+  schedule_periodic_timeout(const mb_time &first_abs_time,
+                           const mb_time &delta_time,
+                           pmt_t user_data,
+                           mb_msg_accepter_sptr accepter);
+  void
+  cancel_timeout(pmt_t handle);
+
+private:
+  void reap_dead_workers();
+  void run_loop();
+
+  void send_all_sys_msg(pmt_t signal, pmt_t data = PMT_F,
+                       pmt_t metadata = PMT_F,
+                       mb_pri_t priority = MB_PRI_BEST);
+};
+
+#endif /* INCLUDED_MB_RUNTIME_THREAD_PER_BLOCK_H */