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gh-138205: Remove the resize method on mmap object on platforms don't support it (#138276)

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Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
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AN Long 2025-09-06 17:40:04 +09:00 • committed by GitHub
parent 8554c0917e
commit c919d02ede
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5 changed files with 71 additions and 83 deletions
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12
Modules/mmapmodule.c
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@ -628,6 +628,7 @@ is_writable(mmap_object *self)
return 0;
}
#if defined(MS_WINDOWS) || defined(HAVE_MREMAP)
static int
is_resizeable(mmap_object *self)
{
@ -648,6 +649,7 @@ is_resizeable(mmap_object *self)
return 0;
}
#endif /* MS_WINDOWS || HAVE_MREMAP */
static PyObject *
@ -766,6 +768,7 @@ mmap_size_method(PyObject *op, PyObject *Py_UNUSED(ignored))
/ new size?
*/
#if defined(MS_WINDOWS) || defined(HAVE_MREMAP)
static PyObject *
mmap_resize_method(PyObject *op, PyObject *args)
{
@ -880,11 +883,6 @@ mmap_resize_method(PyObject *op, PyObject *args)
#endif /* MS_WINDOWS */
#ifdef UNIX
#ifndef HAVE_MREMAP
PyErr_SetString(PyExc_SystemError,
"mmap: resizing not available--no mremap()");
return NULL;
#else
void *newmap;
#ifdef __linux__
@ -916,10 +914,10 @@ mmap_resize_method(PyObject *op, PyObject *args)
self->data = newmap;
self->size = new_size;
Py_RETURN_NONE;
#endif /* HAVE_MREMAP */
#endif /* UNIX */
}
}
#endif /* MS_WINDOWS || HAVE_MREMAP */
static PyObject *
mmap_tell_method(PyObject *op, PyObject *Py_UNUSED(ignored))
@ -1207,7 +1205,9 @@ static struct PyMethodDef mmap_object_methods[] = {
{"read", mmap_read_method, METH_VARARGS},
{"read_byte", mmap_read_byte_method, METH_NOARGS},
{"readline", mmap_read_line_method, METH_NOARGS},
#if defined(MS_WINDOWS) || defined(HAVE_MREMAP)
{"resize", mmap_resize_method, METH_VARARGS},
#endif
{"seek", mmap_seek_method, METH_VARARGS},
{"seekable", mmap_seekable_method, METH_NOARGS},
{"size", mmap_size_method, METH_NOARGS},