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55bad199cf
Move non-limited C API from Include/memoryobject.h to a new Include/cpython/memoryobject.h header file.
43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
#ifndef Py_CPYTHON_MEMORYOBJECT_H
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# error "this header file must not be included directly"
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#endif
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PyAPI_DATA(PyTypeObject) _PyManagedBuffer_Type;
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/* The structs are declared here so that macros can work, but they shouldn't
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be considered public. Don't access their fields directly, use the macros
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and functions instead! */
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#define _Py_MANAGED_BUFFER_RELEASED 0x001 /* access to exporter blocked */
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#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002 /* free format */
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typedef struct {
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PyObject_HEAD
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int flags; /* state flags */
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Py_ssize_t exports; /* number of direct memoryview exports */
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Py_buffer master; /* snapshot buffer obtained from the original exporter */
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} _PyManagedBufferObject;
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/* memoryview state flags */
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#define _Py_MEMORYVIEW_RELEASED 0x001 /* access to master buffer blocked */
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#define _Py_MEMORYVIEW_C 0x002 /* C-contiguous layout */
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#define _Py_MEMORYVIEW_FORTRAN 0x004 /* Fortran contiguous layout */
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#define _Py_MEMORYVIEW_SCALAR 0x008 /* scalar: ndim = 0 */
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#define _Py_MEMORYVIEW_PIL 0x010 /* PIL-style layout */
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typedef struct {
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PyObject_VAR_HEAD
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_PyManagedBufferObject *mbuf; /* managed buffer */
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Py_hash_t hash; /* hash value for read-only views */
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int flags; /* state flags */
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Py_ssize_t exports; /* number of buffer re-exports */
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Py_buffer view; /* private copy of the exporter's view */
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PyObject *weakreflist;
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Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */
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} PyMemoryViewObject;
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/* Get a pointer to the memoryview's private copy of the exporter's buffer. */
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#define PyMemoryView_GET_BUFFER(op) (&((PyMemoryViewObject *)(op))->view)
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/* Get a pointer to the exporting object (this may be NULL!). */
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#define PyMemoryView_GET_BASE(op) (((PyMemoryViewObject *)(op))->view.obj)
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