Source

cpython-withatomic / Modules / puremodule.c

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/* This module exports the C API to such Pure Software Inc. (tm) (now
 * called Pure Atria Corporation) products as Purify (tm) and Quantify
 * (tm).  Other packages could be added, but I didn't have those products
 * and thus lack the API documentation.
 *
 * Currently supported: Quantify 2.x, Purify 3.x
 *
 * You need to decide which products you want to incorporate into the
 * module when you compile this file.  The way to do this is to edit
 * <Python>/Modules/Setup to pass the appropriate flags to the compiler.
 * -DWITH_PURIFY compiles in the Purify support, and -DWITH_QUANTIFY
 * compiles in the Quantify support.  -DWITH_ALL_PURE compiles in both.
 * You can also build a Purify'd or Quantify'd interpreter by passing in
 * the LINKCC variable to make.  E.g. if you want to build a Purify'd
 * interpreter and are using gcc, build Python with this command:
 *
 * make LINKCC='purify gcc'
 *
 * It would be nice (and probably easy) to provide this file as a shared
 * library, however since it doesn't appear that Pure gives us shared
 * libraries of the stubs, it doesn't really matter.  For now, you have to
 * link this file in statically.
 *
 * Major bogosity.  The purify.h header file exports purify_exit(), but
 * guess what?  It is not defined in the libpurify_stubs.a file!  I tried
 * to fake one here, hoping the Pure linker would Do The Right Thing when
 * instrumented for Purify, but it doesn't seem to, so I don't export
 * purify_exit() to the Python layer.  In Python you should raise a
 * SystemExit exception anyway.
 *
 * The actual purify.h and quantify.h files which embody the APIs are
 * copyrighted by Pure Software, Inc. and are only attainable through them.
 * This module assumes you have legally installed licenses of their
 * software.  Contact them on the Web via <http://www.pureatria.com/>
 *
 * Author: Barry Warsaw <bwarsaw@python.org>
 *                      <bwarsaw@cnri.reston.va.us>
 */

#include "Python.h"

#if defined(WITH_PURIFY) || defined(WITH_ALL_PURE)
#    include <purify.h>
#    define HAS_PURIFY_EXIT 0                /* See note at top of file */
#    define PURE_PURIFY_VERSION 3            /* not provided by purify.h */
#endif
#if defined(WITH_QUANTIFY) || defined(WITH_ALL_PURE)
#    include <quantify.h>
#    define PURE_QUANTIFY_VERSION 2          /* not provided by quantify.h */
#endif
#if defined(PURIFY_H) || defined(QUANTIFY_H)
#    define COMMON_PURE_FUNCTIONS
#endif /* PURIFY_H || QUANTIFY_H */

typedef int (*VoidArgFunc)(void);
typedef int (*StringArgFunc)(char*);
typedef int (*PrintfishFunc)(const char*, ...);
typedef int (*StringIntArgFunc)(const char*, int);



static PyObject*
call_voidarg_function(VoidArgFunc func, PyObject *self, PyObject *args)
{
    int status;

    if (!PyArg_ParseTuple(args, ""))
        return NULL;

    status = func();
    return Py_BuildValue("i", status);
}

static PyObject*
call_stringarg_function(StringArgFunc func, PyObject *self, PyObject *args)
{
    int status;
    char* stringarg;

    if (!PyArg_ParseTuple(args, "s", &stringarg))
        return NULL;

    status = func(stringarg);
    return Py_BuildValue("i", status);
}

static PyObject*
call_stringorint_function(StringArgFunc func, PyObject *self, PyObject *args)
{
    int status;
    int intarg;
    char* stringarg;

    /* according to the quantify.h file, the argument to
     * quantify_*_recording_system_call can be an integer or a string,
     * but the functions are prototyped as taking a single char*
     * argument. Yikes!
     */
    if (PyArg_ParseTuple(args, "i", &intarg))
        /* func is prototyped as int(*)(char*)
         * better shut up the compiler
         */
        status = func((char*)intarg);

    else {
        PyErr_Clear();
        if (!PyArg_ParseTuple(args, "s", &stringarg))
            return NULL;
        else
            status = func(stringarg);
    }
    return Py_BuildValue("i", status);
}

static PyObject*
call_printfish_function(PrintfishFunc func, PyObject *self, PyObject *args)
{
    /* we support the printf() style vararg functions by requiring the
     * formatting be done in Python.  At the C level we pass just a string
     * to the printf() style function.
     */
    int status;
    char* argstring;

    if (!PyArg_ParseTuple(args, "s", &argstring))
        return NULL;

    status = func("%s", argstring);
    return Py_BuildValue("i", status);
}

static PyObject*
call_intasaddr_function(StringArgFunc func, PyObject *self, PyObject *args)
{
    long memrep;
    int id;

    if (!PyArg_ParseTuple(args, "l", &memrep))
        return NULL;

    id = func((char*)memrep);
    return Py_BuildValue("i", id);
}

static PyObject*
call_stringandint_function(StringIntArgFunc func, PyObject *self,
                           PyObject *args)
{
    long srcrep;
    int size;
    int status;

    if (!PyArg_ParseTuple(args, "li", &srcrep, &size))
        return NULL;

    status = func((char*)srcrep, size);
    return Py_BuildValue("i", status);
}



/* functions common to all products
 *
 * N.B. These printf() style functions are a bit of a kludge.  Since the
 * API doesn't provide vprintf versions of them, we can't call them
 * directly.  They don't support all the standard printf % modifiers
 * anyway.  The way to use these is to use Python's % string operator to do
 * the formatting.  By the time these functions get the thing to print,
 * it's already a string, and they just use "%s" as the format string.
 */

#ifdef COMMON_PURE_FUNCTIONS

static PyObject*
pure_pure_logfile_printf(PyObject* self, PyObject* args)
{
    return call_printfish_function(pure_logfile_printf, self, args);
}

static PyObject*
pure_pure_printf(PyObject* self, PyObject* args)
{
    return call_printfish_function(pure_printf, self, args);
}

static PyObject*
pure_pure_printf_with_banner(PyObject* self, PyObject* args)
{
    return call_printfish_function(pure_printf_with_banner, self, args);
}


#endif /* COMMON_PURE_FUNCTIONS */



/* Purify functions
 *
 * N.B. There are some interfaces described in the purify.h file that are
 * not described in the manual.
 *
 * Unsigned longs purify_report_{address,number,type,result} are not
 * accessible from the Python layer since they seem mostly useful when
 * purify_stop_here() is called by the (C) debugger.  The same is true of
 * the purify_stop_here_internal() function so it isn't exported either.
 * And purify_stop_here() should never be called directly.
 *
 * The header file says purify_{new,all,clear_new}_reports() are obsolete
 * so they aren't exported.
 *
 * None of the custom dynamic loader functions are exported.
 *
 * purify_unsafe_memcpy() isn't exported.
 *
 * purify_{start,size}_of_block() aren't exported.
 *
 * The manual that I have says that the prototype for the second argument
 * to purify_map_pool is:
 *
 *    void (*fn)(char*)
 *
 * but the purify.h file declares it as:
 *
 *    void (*fn)(char*, int, void*)
 *
 * and does not explain what the other arguments are for.  I support the
 * latter but I don't know if I do it right or usefully.
 *
 * The header file says that purify_describe() returns a char* which is the
 * pointer passed to it.  The manual says it returns an int, but I believe
 * that is a typo.
 */
#ifdef PURIFY_H

static PyObject*
pure_purify_all_inuse(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_all_inuse, self, args);
}
static PyObject*
pure_purify_all_leaks(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_all_leaks, self, args);
}
static PyObject*
pure_purify_new_inuse(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_new_inuse, self, args);
}
static PyObject*
pure_purify_new_leaks(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_new_leaks, self, args);
}
static PyObject*
pure_purify_clear_inuse(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_clear_inuse, self, args);
}
static PyObject*
pure_purify_clear_leaks(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_clear_leaks, self, args);
}
static PyObject*
pure_purify_all_fds_inuse(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_all_fds_inuse, self, args);
}
static PyObject*
pure_purify_new_fds_inuse(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_new_fds_inuse, self, args);
}
static PyObject*
pure_purify_printf_with_call_chain(PyObject *self, PyObject *args)
{
    return call_printfish_function(purify_printf_with_call_chain,
                                   self, args);
}
static PyObject*
pure_purify_set_pool_id(PyObject *self, PyObject *args)
{
    long memrep;
    int id;

    if (!PyArg_ParseTuple(args, "li:purify_set_pool_id", &memrep, &id))
        return NULL;

    purify_set_pool_id((char*)memrep, id);
    Py_INCREF(Py_None);
    return Py_None;
}
static PyObject*
pure_purify_get_pool_id(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_get_pool_id, self, args);
}
static PyObject*
pure_purify_set_user_data(PyObject *self, PyObject *args)
{
    long memrep;
    long datarep;

    if (!PyArg_ParseTuple(args, "ll:purify_set_user_data", &memrep, &datarep))
        return NULL;

    purify_set_user_data((char*)memrep, (void*)datarep);
    Py_INCREF(Py_None);
    return Py_None;
}
static PyObject*
pure_purify_get_user_data(PyObject *self, PyObject *args)
{
    /* can't use call_intasaddr_function() since purify_get_user_data()
     * returns a void*
     */
    long memrep;
    void* data;

    if (!PyArg_ParseTuple(args, "l:purify_get_user_data", &memrep))
        return NULL;

    data = purify_get_user_data((char*)memrep);
    return Py_BuildValue("l", (long)data);
}


/* this global variable is shared by both mapping functions:
 * pure_purify_map_pool() and pure_purify_map_pool_id().  Since they cache
 * this variable it should be safe in the face of recursion or cross
 * calling.
 *
 * Further note that the prototype for the callback function is wrong in
 * the Purify manual.  The manual says the function takes a single char*,
 * but the header file says it takes an additional int and void*.  I have
 * no idea what these are for!
 */
static PyObject* MapCallable = NULL;

static void
map_pool_callback(char* mem, int user_size, void *user_aux_data)
{
    long memrep = (long)mem;
    long user_aux_data_rep = (long)user_aux_data;
    PyObject* result;
    PyObject* memobj = Py_BuildValue("lil", memrep, user_size,
                                     user_aux_data_rep);

    if (memobj == NULL)
        return;

    result = PyEval_CallObject(MapCallable, memobj);
    Py_DECREF(result);
    Py_DECREF(memobj);
}

static PyObject*
pure_purify_map_pool(PyObject *self, PyObject *args)
{
    /* cache global variable in case of recursion */
    PyObject* saved_callable = MapCallable;
    PyObject* arg_callable;
    int id;

    if (!PyArg_ParseTuple(args, "iO:purify_map_pool", &id, &arg_callable))
        return NULL;

    if (!PyCallable_Check(arg_callable)) {
        PyErr_SetString(PyExc_TypeError,
                        "Second argument must be callable");
        return NULL;
    }
    MapCallable = arg_callable;
    purify_map_pool(id, map_pool_callback);
    MapCallable = saved_callable;

    Py_INCREF(Py_None);
    return Py_None;
}

static void
PurifyMapPoolIdCallback(int id)
{
    PyObject* result;
    PyObject* intobj = Py_BuildValue("i", id);

    if (intobj == NULL)
        return;

    result = PyEval_CallObject(MapCallable, intobj);
    Py_DECREF(result);
    Py_DECREF(intobj);
}

static PyObject*
pure_purify_map_pool_id(PyObject *self, PyObject *args)
{
    /* cache global variable in case of recursion */
    PyObject* saved_callable = MapCallable;
    PyObject* arg_callable;

    if (!PyArg_ParseTuple(args, "O:purify_map_pool_id", &arg_callable))
        return NULL;

    if (!PyCallable_Check(arg_callable)) {
        PyErr_SetString(PyExc_TypeError, "Argument must be callable.");
        return NULL;
    }

    MapCallable = arg_callable;
    purify_map_pool_id(PurifyMapPoolIdCallback);
    MapCallable = saved_callable;

    Py_INCREF(Py_None);
    return Py_None;
}



static PyObject*
pure_purify_new_messages(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_new_messages, self, args);
}
static PyObject*
pure_purify_all_messages(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_all_messages, self, args);
}
static PyObject*
pure_purify_clear_messages(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_clear_messages, self, args);
}
static PyObject*
pure_purify_clear_new_messages(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_clear_new_messages, self, args);
}
static PyObject*
pure_purify_start_batch(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_start_batch, self, args);
}
static PyObject*
pure_purify_start_batch_show_first(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_start_batch_show_first,
                                 self, args);
}
static PyObject*
pure_purify_stop_batch(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_stop_batch, self, args);
}
static PyObject*
pure_purify_name_thread(PyObject *self, PyObject *args)
{
    /* can't strictly use call_stringarg_function since
     * purify_name_thread takes a const char*, not a char*
     */
    int status;
    char* stringarg;

    if (!PyArg_ParseTuple(args, "s:purify_name_thread", &stringarg))
        return NULL;

    status = purify_name_thread(stringarg);
    return Py_BuildValue("i", status);
}
static PyObject*
pure_purify_watch(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch, self, args);
}
static PyObject*
pure_purify_watch_1(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_1, self, args);
}
static PyObject*
pure_purify_watch_2(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_2, self, args);
}
static PyObject*
pure_purify_watch_4(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_4, self, args);
}
static PyObject*
pure_purify_watch_8(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_8, self, args);
}
static PyObject*
pure_purify_watch_w_1(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_w_1, self, args);
}
static PyObject*
pure_purify_watch_w_2(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_w_2, self, args);
}
static PyObject*
pure_purify_watch_w_4(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_w_4, self, args);
}
static PyObject*
pure_purify_watch_w_8(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_w_8, self, args);
}
static PyObject*
pure_purify_watch_r_1(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_r_1, self, args);
}
static PyObject*
pure_purify_watch_r_2(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_r_2, self, args);
}
static PyObject*
pure_purify_watch_r_4(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_r_4, self, args);
}
static PyObject*
pure_purify_watch_r_8(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_r_8, self, args);
}
static PyObject*
pure_purify_watch_rw_1(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_rw_1, self, args);
}
static PyObject*
pure_purify_watch_rw_2(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_rw_2, self, args);
}
static PyObject*
pure_purify_watch_rw_4(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_rw_4, self, args);
}
static PyObject*
pure_purify_watch_rw_8(PyObject *self, PyObject *args)
{
    return call_intasaddr_function(purify_watch_rw_8, self, args);
}

static PyObject*
pure_purify_watch_n(PyObject *self, PyObject *args)
{
    long addrrep;
    unsigned int size;
    char* type;
    int status;

    if (!PyArg_ParseTuple(args, "lis:purify_watch_n", &addrrep, &size, &type))
        return NULL;

    status = purify_watch_n((char*)addrrep, size, type);
    return Py_BuildValue("i", status);
}

static PyObject*
pure_purify_watch_info(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_watch_info, self, args);
}

static PyObject*
pure_purify_watch_remove(PyObject *self, PyObject *args)
{
    int watchno;
    int status;

    if (!PyArg_ParseTuple(args, "i:purify_watch_remove", &watchno))
        return NULL;

    status = purify_watch_remove(watchno);
    return Py_BuildValue("i", status);
}

static PyObject*
pure_purify_watch_remove_all(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_watch_remove_all, self, args);
}
static PyObject*
pure_purify_describe(PyObject *self, PyObject *args)
{
    long addrrep;
    char* rtn;

    if (!PyArg_ParseTuple(args, "l:purify_describe", &addrrep))
        return NULL;

    rtn = purify_describe((char*)addrrep);
    return Py_BuildValue("l", (long)rtn);
}

static PyObject*
pure_purify_what_colors(PyObject *self, PyObject *args)
{
    long addrrep;
    unsigned int size;
    int status;

    if (!PyArg_ParseTuple(args, "li:purify_what_colors", &addrrep, &size))
        return NULL;

    status = purify_what_colors((char*)addrrep, size);
    return Py_BuildValue("i", status);
}

static PyObject*
pure_purify_is_running(PyObject *self, PyObject *args)
{
    return call_voidarg_function(purify_is_running, self, args);
}

static PyObject*
pure_purify_assert_is_readable(PyObject *self, PyObject *args)
{
    return call_stringandint_function(purify_assert_is_readable,
                                      self, args);
}
static PyObject*
pure_purify_assert_is_writable(PyObject *self, PyObject *args)
{
    return call_stringandint_function(purify_assert_is_writable,
                                      self, args);
}

#if HAS_PURIFY_EXIT

/* I wish I could include this, but I can't.  See the notes at the top of
 * the file.
 */

static PyObject*
pure_purify_exit(PyObject *self, PyObject *args)
{
    int status;

    if (!PyArg_ParseTuple(args, "i:purify_exit", &status))
        return NULL;

    /* purify_exit doesn't always act like exit(). See the manual */
    purify_exit(status);
    Py_INCREF(Py_None);
    return Py_None;
}
#endif /* HAS_PURIFY_EXIT */

#endif /* PURIFY_H */



/* Quantify functions
 *
 * N.B. Some of these functions are only described in the quantify.h file,
 * not in the version of the hardcopy manual that I had.  If you're not
 * sure what some of these do, check the header file, it is documented
 * fairly well.
 *
 * None of the custom dynamic loader functions are exported.
 *
 */
#ifdef QUANTIFY_H

static PyObject*
pure_quantify_is_running(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_is_running, self, args);
}
static PyObject*
pure_quantify_help(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_help, self, args);
}
static PyObject*
pure_quantify_print_recording_state(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_print_recording_state,
                                 self, args);
}
static PyObject*
pure_quantify_start_recording_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_start_recording_data,
                                 self, args);
}
static PyObject*
pure_quantify_stop_recording_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_stop_recording_data, self, args);
}
static PyObject*
pure_quantify_is_recording_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_is_recording_data, self, args);
}
static PyObject*
pure_quantify_start_recording_system_calls(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_start_recording_system_calls,
                                 self, args);
}
static PyObject*
pure_quantify_stop_recording_system_calls(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_stop_recording_system_calls,
                                 self, args);
}
static PyObject*
pure_quantify_is_recording_system_calls(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_is_recording_system_calls,
                                 self, args);
}
static PyObject*
pure_quantify_start_recording_system_call(PyObject *self, PyObject *args)
{
    return call_stringorint_function(quantify_start_recording_system_call,
                                       self, args);
}
static PyObject*
pure_quantify_stop_recording_system_call(PyObject *self, PyObject *args)
{
    return call_stringorint_function(quantify_stop_recording_system_call,
                                     self, args);
}
static PyObject*
pure_quantify_is_recording_system_call(PyObject *self, PyObject *args)
{
    return call_stringorint_function(quantify_is_recording_system_call,
                                     self, args);
}
static PyObject*
pure_quantify_start_recording_dynamic_library_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(
        quantify_start_recording_dynamic_library_data,
        self, args);
}
static PyObject*
pure_quantify_stop_recording_dynamic_library_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(
        quantify_stop_recording_dynamic_library_data,
        self, args);
}
static PyObject*
pure_quantify_is_recording_dynamic_library_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(
        quantify_is_recording_dynamic_library_data,
        self, args);
}
static PyObject*
pure_quantify_start_recording_register_window_traps(PyObject *self, PyObject *args)
{
    return call_voidarg_function(
        quantify_start_recording_register_window_traps,
        self, args);
}
static PyObject*
pure_quantify_stop_recording_register_window_traps(PyObject *self, PyObject *args)
{
    return call_voidarg_function(
        quantify_stop_recording_register_window_traps,
        self, args);
}
static PyObject*
pure_quantify_is_recording_register_window_traps(PyObject *self, PyObject *args)
{
    return call_voidarg_function(
        quantify_is_recording_register_window_traps,
        self, args);
}
static PyObject*
pure_quantify_disable_recording_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_disable_recording_data,
                                 self, args);
}
static PyObject*
pure_quantify_clear_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_clear_data, self, args);
}
static PyObject*
pure_quantify_save_data(PyObject *self, PyObject *args)
{
    return call_voidarg_function(quantify_save_data, self, args);
}
static PyObject*
pure_quantify_save_data_to_file(PyObject *self, PyObject *args)
{
    return call_stringarg_function(quantify_save_data_to_file, self, args);
}
static PyObject*
pure_quantify_add_annotation(PyObject *self, PyObject *args)
{
    return call_stringarg_function(quantify_add_annotation, self, args);
}

#endif /* QUANTIFY_H */



/* external interface
 */
static struct PyMethodDef
pure_methods[] = {
#ifdef COMMON_PURE_FUNCTIONS
    {"pure_logfile_printf",            pure_pure_logfile_printf,            METH_VARARGS},
    {"pure_printf",                    pure_pure_printf,                    METH_VARARGS},
    {"pure_printf_with_banner",        pure_pure_printf_with_banner,        METH_VARARGS},
#endif /* COMMON_PURE_FUNCTIONS */
#ifdef PURIFY_H
    {"purify_all_inuse",               pure_purify_all_inuse,               METH_VARARGS},
    {"purify_all_leaks",               pure_purify_all_leaks,               METH_VARARGS},
    {"purify_new_inuse",               pure_purify_new_inuse,               METH_VARARGS},
    {"purify_new_leaks",               pure_purify_new_leaks,               METH_VARARGS},
    {"purify_clear_inuse",             pure_purify_clear_inuse,             METH_VARARGS},
    {"purify_clear_leaks",             pure_purify_clear_leaks,             METH_VARARGS},
    {"purify_all_fds_inuse",           pure_purify_all_fds_inuse,           METH_VARARGS},
    {"purify_new_fds_inuse",           pure_purify_new_fds_inuse,           METH_VARARGS},
    /* see purify.h */
    {"purify_logfile_printf",          pure_pure_logfile_printf,            METH_VARARGS},
    {"purify_printf",                  pure_pure_printf,                    METH_VARARGS},
    {"purify_printf_with_banner",      pure_pure_printf_with_banner,        METH_VARARGS},
    /**/
    {"purify_printf_with_call_chain",  pure_purify_printf_with_call_chain,  METH_VARARGS},
    {"purify_set_pool_id",             pure_purify_set_pool_id,             METH_VARARGS},
    {"purify_get_pool_id",             pure_purify_get_pool_id,             METH_VARARGS},
    {"purify_set_user_data",           pure_purify_set_user_data,           METH_VARARGS},
    {"purify_get_user_data",           pure_purify_get_user_data,           METH_VARARGS},
    {"purify_map_pool",                pure_purify_map_pool,                METH_VARARGS},
    {"purify_map_pool_id",             pure_purify_map_pool_id,             METH_VARARGS},
    {"purify_new_messages",            pure_purify_new_messages,            METH_VARARGS},
    {"purify_all_messages",            pure_purify_all_messages,            METH_VARARGS},
    {"purify_clear_messages",          pure_purify_clear_messages,          METH_VARARGS},
    {"purify_clear_new_messages",      pure_purify_clear_new_messages,      METH_VARARGS},
    {"purify_start_batch",             pure_purify_start_batch,             METH_VARARGS},
    {"purify_start_batch_show_first",  pure_purify_start_batch_show_first,  METH_VARARGS},
    {"purify_stop_batch",              pure_purify_stop_batch,              METH_VARARGS},
    {"purify_name_thread",             pure_purify_name_thread,             METH_VARARGS},
    {"purify_watch",                   pure_purify_watch,                   METH_VARARGS},
    {"purify_watch_1",                 pure_purify_watch_1,                 METH_VARARGS},
    {"purify_watch_2",                 pure_purify_watch_2,                 METH_VARARGS},
    {"purify_watch_4",                 pure_purify_watch_4,                 METH_VARARGS},
    {"purify_watch_8",                 pure_purify_watch_8,                 METH_VARARGS},
    {"purify_watch_w_1",               pure_purify_watch_w_1,               METH_VARARGS},
    {"purify_watch_w_2",               pure_purify_watch_w_2,               METH_VARARGS},
    {"purify_watch_w_4",               pure_purify_watch_w_4,               METH_VARARGS},
    {"purify_watch_w_8",               pure_purify_watch_w_8,               METH_VARARGS},
    {"purify_watch_r_1",               pure_purify_watch_r_1,               METH_VARARGS},
    {"purify_watch_r_2",               pure_purify_watch_r_2,               METH_VARARGS},
    {"purify_watch_r_4",               pure_purify_watch_r_4,               METH_VARARGS},
    {"purify_watch_r_8",               pure_purify_watch_r_8,               METH_VARARGS},
    {"purify_watch_rw_1",              pure_purify_watch_rw_1,              METH_VARARGS},
    {"purify_watch_rw_2",              pure_purify_watch_rw_2,              METH_VARARGS},
    {"purify_watch_rw_4",              pure_purify_watch_rw_4,              METH_VARARGS},
    {"purify_watch_rw_8",              pure_purify_watch_rw_8,              METH_VARARGS},
    {"purify_watch_n",                 pure_purify_watch_n,                 METH_VARARGS},
    {"purify_watch_info",              pure_purify_watch_info,              METH_VARARGS},
    {"purify_watch_remove",            pure_purify_watch_remove,            METH_VARARGS},
    {"purify_watch_remove_all",        pure_purify_watch_remove_all,        METH_VARARGS},
    {"purify_describe",                pure_purify_describe,                METH_VARARGS},
    {"purify_what_colors",             pure_purify_what_colors,             METH_VARARGS},
    {"purify_is_running",              pure_purify_is_running,              METH_VARARGS},
    {"purify_assert_is_readable",      pure_purify_assert_is_readable,      METH_VARARGS},
    {"purify_assert_is_writable",      pure_purify_assert_is_writable,      METH_VARARGS},
#if HAS_PURIFY_EXIT
    /* I wish I could include this, but I can't.  See the notes at the
     * top of the file.
     */
    {"purify_exit",                    pure_purify_exit,                    METH_VARARGS},
#endif /* HAS_PURIFY_EXIT */
#endif /* PURIFY_H */
#ifdef QUANTIFY_H
    {"quantify_is_running",            pure_quantify_is_running,            METH_VARARGS},
    {"quantify_help",                  pure_quantify_help,                  METH_VARARGS},
    {"quantify_print_recording_state", pure_quantify_print_recording_state, METH_VARARGS},
    {"quantify_start_recording_data",  pure_quantify_start_recording_data,  METH_VARARGS},
    {"quantify_stop_recording_data",   pure_quantify_stop_recording_data,   METH_VARARGS},
    {"quantify_is_recording_data",     pure_quantify_is_recording_data,  METH_VARARGS},
    {"quantify_start_recording_system_calls",
     pure_quantify_start_recording_system_calls, METH_VARARGS},
    {"quantify_stop_recording_system_calls",
     pure_quantify_stop_recording_system_calls, METH_VARARGS},
    {"quantify_is_recording_system_calls",
     pure_quantify_is_recording_system_calls, METH_VARARGS},
    {"quantify_start_recording_system_call",
     pure_quantify_start_recording_system_call, METH_VARARGS},
    {"quantify_stop_recording_system_call",
     pure_quantify_stop_recording_system_call, METH_VARARGS},
    {"quantify_is_recording_system_call",
     pure_quantify_is_recording_system_call, METH_VARARGS},
    {"quantify_start_recording_dynamic_library_data",
     pure_quantify_start_recording_dynamic_library_data, METH_VARARGS},
    {"quantify_stop_recording_dynamic_library_data",
     pure_quantify_stop_recording_dynamic_library_data, METH_VARARGS},
    {"quantify_is_recording_dynamic_library_data",
     pure_quantify_is_recording_dynamic_library_data, METH_VARARGS},
    {"quantify_start_recording_register_window_traps",
     pure_quantify_start_recording_register_window_traps, METH_VARARGS},
    {"quantify_stop_recording_register_window_traps",
     pure_quantify_stop_recording_register_window_traps, METH_VARARGS},
    {"quantify_is_recording_register_window_traps",
     pure_quantify_is_recording_register_window_traps, METH_VARARGS},
    {"quantify_disable_recording_data",
     pure_quantify_disable_recording_data, METH_VARARGS},
    {"quantify_clear_data",        pure_quantify_clear_data,        METH_VARARGS},
    {"quantify_save_data",         pure_quantify_save_data,         METH_VARARGS},
    {"quantify_save_data_to_file", pure_quantify_save_data_to_file, METH_VARARGS},
    {"quantify_add_annotation",    pure_quantify_add_annotation,    METH_VARARGS},
#endif /* QUANTIFY_H */
    {NULL,  NULL}                            /* sentinel */
};



static void
ins(d, name, val)
    PyObject *d;
    char* name;
    long val;
{
    PyObject *v = PyInt_FromLong(val);
    if (v) {
        (void)PyDict_SetItemString(d, name, v);
        Py_DECREF(v);
    }
}


void
initpure()
{
    PyObject *m, *d;

    if (PyErr_WarnPy3k("the pure module has been removed in "
                       "Python 3.0", 2) < 0)
        return;

    m = Py_InitModule("pure", pure_methods);
    if (m == NULL)
        return;
    d = PyModule_GetDict(m);

    /* this is bogus because we should be able to find this information
     * out from the header files.  Pure's current versions don't
     * include this information!
     */
#ifdef PURE_PURIFY_VERSION
    ins(d, "PURIFY_VERSION", PURE_PURIFY_VERSION);
#else
    PyDict_SetItemString(d, "PURIFY_VERSION", Py_None);
#endif

    /* these aren't terribly useful because purify_exit() isn't
     * exported correctly.  See the note at the top of the file.
     */
#ifdef PURIFY_EXIT_ERRORS
    ins(d, "PURIFY_EXIT_ERRORS", PURIFY_EXIT_ERRORS);
#endif
#ifdef PURIFY_EXIT_LEAKS
    ins(d, "PURIFY_EXIT_LEAKS",  PURIFY_EXIT_LEAKS);
#endif
#ifdef PURIFY_EXIT_PLEAKS
    ins(d, "PURIFY_EXIT_PLEAKS", PURIFY_EXIT_PLEAKS);
#endif


#ifdef PURE_QUANTIFY_VERSION
    ins(d, "QUANTIFY_VERSION", PURE_QUANTIFY_VERSION);
#else
    PyDict_SetItemString(d, "QUANTIFY_VERSION", Py_None);
#endif
}
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