cpython/Include/import.h

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#ifndef Py_IMPORT_H
#define Py_IMPORT_H
#ifdef __cplusplus
extern "C" {
#endif
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/***********************************************************
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI or Corporation for National Research Initiatives or
CNRI not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior
permission.
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While CWI is the initial source for this software, a modified version
is made available by the Corporation for National Research Initiatives
(CNRI) at the Internet address ftp://ftp.python.org.
STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Module definition and import interface */
long PyImport_GetMagicNumber Py_PROTO((void));
PyObject *PyImport_ExecCodeModule Py_PROTO((char *name, PyObject *co));
PyObject *PyImport_GetModuleDict Py_PROTO((void));
PyObject *PyImport_AddModule Py_PROTO((char *name));
PyObject *PyImport_ImportModule Py_PROTO((char *name));
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PyObject *PyImport_Import Py_PROTO((PyObject *name));
PyObject *PyImport_ReloadModule Py_PROTO((PyObject *m));
void PyImport_Cleanup Py_PROTO((void));
int PyImport_ImportFrozenModule Py_PROTO((char *));
Mass checkin (more to follow for other directories). Introduce truly separate (sub)interpreter objects. For now, these must be used by separate threads, created from C. See Demo/pysvr for an example of how to use this. This also rationalizes Python's initialization and finalization behavior: Py_Initialize() -- initialize the whole interpreter Py_Finalize() -- finalize the whole interpreter tstate = Py_NewInterpreter() -- create a new (sub)interpreter Py_EndInterpreter(tstate) -- delete a new (sub)interpreter There are also new interfaces relating to threads and the interpreter lock, which can be used to create new threads, and sometimes have to be used to manipulate the interpreter lock when creating or deleting sub-interpreters. These are only defined when WITH_THREAD is defined: PyEval_AcquireLock() -- acquire the interpreter lock PyEval_ReleaseLock() -- release the interpreter lock PyEval_AcquireThread(tstate) -- acquire the lock and make the thread current PyEval_ReleaseThread(tstate) -- release the lock and make NULL current Other administrative changes: - The header file bltinmodule.h is deleted. - The init functions for Import, Sys and Builtin are now internal and declared in pythonrun.h. - Py_Setup() and Py_Cleanup() are no longer declared. - The interpreter state and thread state structures are now linked together in a chain (the chain of interpreters is a static variable in pythonrun.c). - Some members of the interpreter and thread structures have new, shorter, more consistent, names. - Added declarations for _PyImport_{Find,Fixup}Extension() to import.h.
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extern PyObject *_PyImport_FindExtension Py_PROTO((char *, char *));
extern PyObject *_PyImport_FixupExtension Py_PROTO((char *, char *));
struct _inittab {
char *name;
void (*initfunc)();
};
/* This table is defined in config.c: */
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extern struct _inittab _PyImport_Inittab[];
struct _frozen {
char *name;
unsigned char *code;
int size;
};
/* Embedding apps may change this pointer to point to their favorite
collection of frozen modules: */
extern DL_IMPORT(struct _frozen *) PyImport_FrozenModules;
#ifdef __cplusplus
}
#endif
#endif /* !Py_IMPORT_H */