/usr/include/gnuradio/swig/feval.i is in gnuradio-dev 3.7.9.1-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | /* -*- c++ -*- */
/*
* Copyright 2006,2010,2013 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.
*/
/*
* N.B., this is a _very_ non-standard SWIG .i file
*
* It contains a bunch of magic that is required to ensure that when
* these classes are used as base classes for python code,
* everything works when calling back from C++ into Python.
*
* The gist of the problem is that our C++ code is usually not holding
* the Python Global Interpreter Lock (GIL). Thus if we invoke a
* "director" method from C++, we'll end up in Python not holding the
* GIL. Disaster (SIGSEGV) will result. To avoid this we insert a
* "shim" that grabs and releases the GIL.
*
* If you don't understand SWIG "directors" or the Python GIL,
* don't bother trying to understand what's going on in here.
*
* [We could eliminate a bunch of this hair by requiring SWIG 1.3.29
* or later and some additional magic declarations, but many systems
* aren't shipping that version yet. Thus we kludge...]
*/
// Directors are only supported in Python, Java and C#
#ifdef SWIGPYTHON
%import "pmt_swig.i"
// Enable SWIG directors for these classes
%feature("director") gr::py_feval_dd;
%feature("director") gr::py_feval_cc;
%feature("director") gr::py_feval_ll;
%feature("director") gr::py_feval;
%feature("director") gr::py_feval_p;
%feature("nodirector") gr::py_feval_dd::calleval;
%feature("nodirector") gr::py_feval_cc::calleval;
%feature("nodirector") gr::py_feval_ll::calleval;
%feature("nodirector") gr::py_feval::calleval;
%feature("nodirector") gr::py_feval_p::calleval;
//%exception {
// try { $action }
// catch (Swig::DirectorException &e) { std::cerr << e.getMessage(); SWIG_fail; }
//}
%ignore gr::feval_dd;
%ignore gr::feval_cc;
%ignore gr::feval_ll;
%ignore gr::feval;
%ignore gr::feval_p;
%include <gnuradio/feval.h>
/*
* These are the ones to derive from in Python. They have the magic shim
* that ensures that we're holding the Python GIL when we enter Python land...
*/
namespace gr {
%rename(feval_dd) py_feval_dd;
%rename(feval_cc) py_feval_cc;
%rename(feval_ll) py_feval_ll;
%rename(feval) py_feval;
%rename(feval_p) py_feval_p;
}
%include <gnuradio/py_feval.h>
namespace gr {
// examples / test cases
%rename(feval_dd_example) gr::feval_dd_example;
%rename(feval_cc_example) gr::feval_cc_example;
%rename(feval_ll_example) gr::feval_ll_example;
%rename(feval_example) gr::feval_example;
}
#endif // SWIGPYTHON
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