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diff --git a/libs/ardour/ardour/system_exec.h b/libs/ardour/ardour/system_exec.h
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+/*
+ Copyright (C) 2010 Paul Davis
+ Copyright (C) 2010-2014 Robin Gareus <robin@gareus.org>
+
+ This program 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 2 of the License, or
+ (at your option) any later version.
+
+ This program 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+#ifndef _ardour_system_exec_h_
+#define _ardour_system_exec_h_
+
+#include "ardour/libardour_visibility.h"
+#include "pbd/system_exec.h"
+
+namespace ARDOUR {
+
+class LIBARDOUR_API SystemExec
+ : public PBD::SystemExec
+{
+
+public:
+ SystemExec (std::string c, std::string a = "");
+ SystemExec (std::string c, char ** a);
+ SystemExec (std::string c, const std::map<char, std::string> subs);
+ ~SystemExec ();
+
+ int start (int stderr_mode = 1) {
+ return PBD::SystemExec::start(stderr_mode, _vfork_exec_wrapper);
+ }
+
+private:
+ static char * _vfork_exec_wrapper;
+
+}; /* end class */
+
+}; /* end namespace */
+
+#endif /* _libpbd_system_exec_h_ */
+
+