FM / python3.5m

/opt/alt/python35/include/python3.5m

Name	Size	Mode	Actions
abstract.h	43822	0644	edit dl rm
accu.h	1016	0644	edit dl rm
asdl.h	1184	0644	edit dl rm
ast.h	477	0644	edit dl rm
bitset.h	792	0644	edit dl rm
bltinmodule.h	264	0644	edit dl rm
boolobject.h	886	0644	edit dl rm
bytearrayobject.h	2114	0644	edit dl rm
bytesobject.h	4985	0644	edit dl rm
bytes_methods.h	2034	0644	edit dl rm
cellobject.h	701	0644	edit dl rm
ceval.h	7636	0644	edit dl rm
classobject.h	1666	0644	edit dl rm
code.h	5262	0644	edit dl rm
codecs.h	6693	0644	edit dl rm
compile.h	2164	0644	edit dl rm
complexobject.h	1807	0644	edit dl rm
datetime.h	8542	0644	edit dl rm
descrobject.h	2913	0644	edit dl rm
dictobject.h	6335	0644	edit dl rm
dtoa.h	458	0644	edit dl rm
dynamic_annotations.h	22469	0644	edit dl rm
enumobject.h	253	0644	edit dl rm
errcode.h	1497	0644	edit dl rm
eval.h	597	0644	edit dl rm
fileobject.h	1511	0644	edit dl rm
fileutils.h	2877	0644	edit dl rm
floatobject.h	4641	0644	edit dl rm
frameobject.h	3530	0644	edit dl rm
funcobject.h	3771	0644	edit dl rm
genobject.h	2669	0644	edit dl rm
graminit.h	1944	0644	edit dl rm
grammar.h	2044	0644	edit dl rm
import.h	3901	0644	edit dl rm
intrcheck.h	460	0644	edit dl rm
iterobject.h	567	0644	edit dl rm
listobject.h	2900	0644	edit dl rm
longintrepr.h	3997	0644	edit dl rm
longobject.h	8286	0644	edit dl rm
marshal.h	803	0644	edit dl rm
memoryobject.h	2695	0644	edit dl rm
metagrammar.h	253	0644	edit dl rm
methodobject.h	3367	0644	edit dl rm
modsupport.h	6053	0644	edit dl rm
moduleobject.h	2145	0644	edit dl rm
namespaceobject.h	297	0644	edit dl rm
node.h	1007	0644	edit dl rm
object.h	40005	0644	edit dl rm
objimpl.h	13975	0644	edit dl rm
odictobject.h	1330	0644	edit dl rm
opcode.h	4924	0644	edit dl rm
osdefs.h	691	0644	edit dl rm
parsetok.h	2885	0644	edit dl rm
patchlevel.h	1128	0644	edit dl rm
pgen.h	253	0644	edit dl rm
pgenheaders.h	1144	0644	edit dl rm
pyarena.h	2744	0644	edit dl rm
pyatomic.h	8134	0644	edit dl rm
pycapsule.h	1726	0644	edit dl rm
pyconfig-64.h	43863	0644	edit dl rm
pyconfig.h	162	0644	edit dl rm
pyctype.h	1320	0644	edit dl rm
pydebug.h	1140	0644	edit dl rm
pyerrors.h	16332	0644	edit dl rm
pyexpat.h	2450	0644	edit dl rm
pyfpe.h	8471	0644	edit dl rm
pygetopt.h	388	0644	edit dl rm
pyhash.h	4274	0644	edit dl rm
pylifecycle.h	3810	0644	edit dl rm
pymacconfig.h	2989	0644	edit dl rm
pymacro.h	3297	0644	edit dl rm
pymath.h	7219	0644	edit dl rm
pymem.h	7033	0644	edit dl rm
pyport.h	32020	0644	edit dl rm
pystate.h	9490	0644	edit dl rm
pystrcmp.h	436	0644	edit dl rm
pystrhex.h	443	0644	edit dl rm
pystrtod.h	1276	0644	edit dl rm
Python-ast.h	20851	0644	edit dl rm
Python.h	2906	0644	edit dl rm
pythonrun.h	6688	0644	edit dl rm
pythread.h	3036	0644	edit dl rm
pytime.h	6654	0644	edit dl rm
py_curses.h	4175	0644	edit dl rm
rangeobject.h	629	0644	edit dl rm
setobject.h	3290	0644	edit dl rm
sliceobject.h	2485	0644	edit dl rm
structmember.h	2068	0644	edit dl rm
structseq.h	1353	0644	edit dl rm
symtable.h	4861	0644	edit dl rm
sysmodule.h	1355	0644	edit dl rm
token.h	1943	0644	edit dl rm
traceback.h	2213	0644	edit dl rm
tupleobject.h	2444	0644	edit dl rm
typeslots.h	2253	0644	edit dl rm
ucnhash.h	1056	0644	edit dl rm
unicodeobject.h	79193	0644	edit dl rm
warnings.h	1426	0644	edit dl rm
weakrefobject.h	2866	0644	edit dl rm

Edit: /opt/alt/python35/include/python3.5m/pyfpe.h (8471B)

#ifndef Py_PYFPE_H
#define Py_PYFPE_H
#ifdef __cplusplus
extern "C" {
#endif
/*
     ---------------------------------------------------------------------
    /                       Copyright (c) 1996.                           \
   |          The Regents of the University of California.                 |
   |                        All rights reserved.                           |
   |                                                                       |
   |   Permission to use, copy, modify, and distribute this software for   |
   |   any purpose without fee is hereby granted, provided that this en-   |
   |   tire notice is included in all copies of any software which is or   |
   |   includes  a  copy  or  modification  of  this software and in all   |
   |   copies of the supporting documentation for such software.           |
   |                                                                       |
   |   This  work was produced at the University of California, Lawrence   |
   |   Livermore National Laboratory under  contract  no.  W-7405-ENG-48   |
   |   between  the  U.S.  Department  of  Energy and The Regents of the   |
   |   University of California for the operation of UC LLNL.              |
   |                                                                       |
   |                              DISCLAIMER                               |
   |                                                                       |
   |   This  software was prepared as an account of work sponsored by an   |
   |   agency of the United States Government. Neither the United States   |
   |   Government  nor the University of California nor any of their em-   |
   |   ployees, makes any warranty, express or implied, or  assumes  any   |
   |   liability  or  responsibility  for the accuracy, completeness, or   |
   |   usefulness of any information,  apparatus,  product,  or  process   |
   |   disclosed,   or  represents  that  its  use  would  not  infringe   |
   |   privately-owned rights. Reference herein to any specific  commer-   |
   |   cial  products,  process,  or  service  by trade name, trademark,   |
   |   manufacturer, or otherwise, does not  necessarily  constitute  or   |
   |   imply  its endorsement, recommendation, or favoring by the United   |
   |   States Government or the University of California. The views  and   |
   |   opinions  of authors expressed herein do not necessarily state or   |
   |   reflect those of the United States Government or  the  University   |
   |   of  California,  and shall not be used for advertising or product   |
    \  endorsement purposes.                                              /
     ---------------------------------------------------------------------
*/

/*
 *       Define macros for handling SIGFPE.
 *       Lee Busby, LLNL, November, 1996
 *       busby1@llnl.gov
 *
 *********************************************
 * Overview of the system for handling SIGFPE:
 *
 * This file (Include/pyfpe.h) defines a couple of "wrapper" macros for
 * insertion into your Python C code of choice. Their proper use is
 * discussed below. The file Python/pyfpe.c defines a pair of global
 * variables PyFPE_jbuf and PyFPE_counter which are used by the signal
 * handler for SIGFPE to decide if a particular exception was protected
 * by the macros. The signal handler itself, and code for enabling the
 * generation of SIGFPE in the first place, is in a (new) Python module
 * named fpectl. This module is standard in every respect. It can be loaded
 * either statically or dynamically as you choose, and like any other
 * Python module, has no effect until you import it.
 *
 * In the general case, there are three steps toward handling SIGFPE in any
 * Python code:
 *
 * 1) Add the *_PROTECT macros to your C code as required to protect
 *    dangerous floating point sections.
 *
 * 2) Turn on the inclusion of the code by adding the ``--with-fpectl''
 *    flag at the time you run configure.  If the fpectl or other modules
 *    which use the *_PROTECT macros are to be dynamically loaded, be
 *    sure they are compiled with WANT_SIGFPE_HANDLER defined.
 *
 * 3) When python is built and running, import fpectl, and execute
 *    fpectl.turnon_sigfpe(). This sets up the signal handler and enables
 *    generation of SIGFPE whenever an exception occurs. From this point
 *    on, any properly trapped SIGFPE should result in the Python
 *    FloatingPointError exception.
 *
 * Step 1 has been done already for the Python kernel code, and should be
 * done soon for the NumPy array package.  Step 2 is usually done once at
 * python install time. Python's behavior with respect to SIGFPE is not
 * changed unless you also do step 3. Thus you can control this new
 * facility at compile time, or run time, or both.
 *
 ********************************
 * Using the macros in your code:
 *
 * static PyObject *foobar(PyObject *self,PyObject *args)
 * {
 *     ....
 *     PyFPE_START_PROTECT("Error in foobar", return 0)
 *     result = dangerous_op(somearg1, somearg2, ...);
 *     PyFPE_END_PROTECT(result)
 *     ....
 * }
 *
 * If a floating point error occurs in dangerous_op, foobar returns 0 (NULL),
 * after setting the associated value of the FloatingPointError exception to
 * "Error in foobar". ``Dangerous_op'' can be a single operation, or a block
 * of code, function calls, or any combination, so long as no alternate
 * return is possible before the PyFPE_END_PROTECT macro is reached.
 *
 * The macros can only be used in a function context where an error return
 * can be recognized as signaling a Python exception. (Generally, most
 * functions that return a PyObject * will qualify.)
 *
 * Guido's original design suggestion for PyFPE_START_PROTECT and
 * PyFPE_END_PROTECT had them open and close a local block, with a locally
 * defined jmp_buf and jmp_buf pointer. This would allow recursive nesting
 * of the macros. The Ansi C standard makes it clear that such local
 * variables need to be declared with the "volatile" type qualifier to keep
 * setjmp from corrupting their values. Some current implementations seem
 * to be more restrictive. For example, the HPUX man page for setjmp says
 *
 *   Upon the return from a setjmp() call caused by a longjmp(), the
 *   values of any non-static local variables belonging to the routine
 *   from which setjmp() was called are undefined. Code which depends on
 *   such values is not guaranteed to be portable.
 *
 * I therefore decided on a more limited form of nesting, using a counter
 * variable (PyFPE_counter) to keep track of any recursion.  If an exception
 * occurs in an ``inner'' pair of macros, the return will apparently
 * come from the outermost level.
 *
 */

#ifdef WANT_SIGFPE_HANDLER
#include <signal.h>
#include <setjmp.h>
#include <math.h>
extern jmp_buf PyFPE_jbuf;
extern int PyFPE_counter;
extern double PyFPE_dummy(void *);

#define PyFPE_START_PROTECT(err_string, leave_stmt) \
if (!PyFPE_counter++ && setjmp(PyFPE_jbuf)) { \
	PyErr_SetString(PyExc_FloatingPointError, err_string); \
	PyFPE_counter = 0; \
	leave_stmt; \
}

/*
 * This (following) is a heck of a way to decrement a counter. However,
 * unless the macro argument is provided, code optimizers will sometimes move
 * this statement so that it gets executed *before* the unsafe expression
 * which we're trying to protect.  That pretty well messes things up,
 * of course.
 *
 * If the expression(s) you're trying to protect don't happen to return a
 * value, you will need to manufacture a dummy result just to preserve the
 * correct ordering of statements.  Note that the macro passes the address
 * of its argument (so you need to give it something which is addressable).
 * If your expression returns multiple results, pass the last such result
 * to PyFPE_END_PROTECT.
 *
 * Note that PyFPE_dummy returns a double, which is cast to int.
 * This seeming insanity is to tickle the Floating Point Unit (FPU).
 * If an exception has occurred in a preceding floating point operation,
 * some architectures (notably Intel 80x86) will not deliver the interrupt
 * until the *next* floating point operation.  This is painful if you've
 * already decremented PyFPE_counter.
 */
#define PyFPE_END_PROTECT(v) PyFPE_counter -= (int)PyFPE_dummy(&(v));

#else

#define PyFPE_START_PROTECT(err_string, leave_stmt)
#define PyFPE_END_PROTECT(v)

#endif

#ifdef __cplusplus
}
#endif
#endif /* !Py_PYFPE_H */

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