Merge branch 'dfsg-orig'

[debian/gnuradio] / usrp / host / include / usrp / usrp_local_sighandler.h

diff --git a/usrp/host/include/usrp/usrp_local_sighandler.h b/usrp/host/include/usrp/usrp_local_sighandler.h
new file mode 100644 (file)
index 0000000..ee33675
--- /dev/null
+++ b/usrp/host/include/usrp/usrp_local_sighandler.h
@@ -0,0 +1,61 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_USRP_LOCAL_SIGHANDLER_H
+#define INCLUDED_USRP_LOCAL_SIGHANDLER_H
+
+#include <signal.h>
+#include <string>
+
+/*!
+ * \brief Representation of signal.
+ */
+class usrp_signal
+{
+  int  d_signum;
+public:
+  usrp_signal (int signum) : d_signum (signum) {}
+  int signal () const { return d_signum; }
+  std::string name () const;
+};
+
+
+/*!
+ * \brief Get and set signal handler.
+ *
+ * Constructor installs new handler, destructor reinstalls
+ * original value.
+ */
+class usrp_local_sighandler {
+  int                  d_signum;
+#ifdef HAVE_SIGACTION
+  struct sigaction     d_old_action;
+#endif
+public:
+  usrp_local_sighandler (int signum, void (*new_handler)(int));
+  ~usrp_local_sighandler ();
+
+  /* throw usrp_signal (signum) */
+  static void throw_signal (int signum) throw (usrp_signal);
+};
+
+#endif /* INCLUDED_USRP_LOCAL_SIGHANDLER_H */