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bpo-26835: Add file sealing constants to fcntl (GH-13694) 

Co-authored-by: nanjekyejoannah <nanjekyejoannah@gmail.com>
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Christian Heimes 2019-05-31 18:32:33 +02:00 committed by GitHub
parent ffed76b6fc
commit 8cbb5b6625
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3 changed files with 14 additions and 1 deletions
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4
Doc/library/fcntl.rst
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@ -28,6 +28,10 @@ descriptor.
Operations in this module used to raise an :exc:`IOError` where they now
raise an :exc:`OSError`.
.. versionchanged:: 3.8
The fcntl module now contains ``F_ADD_SEALS``, ``F_GET_SEALS``, and
``F_SEAL_*`` constants for sealing of :func:`os.memfd_create` file
descriptors.
The module defines the following functions:

1
Misc/NEWS.d/next/Library/2019-05-31-11-33-11.bpo-26835.xGbUX0.rst Normal file
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@ -0,0 +1 @@
The fcntl module now contains file sealing constants for sealing of memfds.

10
Modules/fcntlmodule.c
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@ -620,7 +620,15 @@ all_ins(PyObject* m)
if (PyModule_AddIntMacro(m, I_PLINK)) return -1;
if (PyModule_AddIntMacro(m, I_PUNLINK)) return -1;
#endif
#ifdef F_ADD_SEALS
/* Linux: file sealing for memfd_create() */
if (PyModule_AddIntMacro(m, F_ADD_SEALS)) return -1;
if (PyModule_AddIntMacro(m, F_GET_SEALS)) return -1;
if (PyModule_AddIntMacro(m, F_SEAL_SEAL)) return -1;
if (PyModule_AddIntMacro(m, F_SEAL_SHRINK)) return -1;
if (PyModule_AddIntMacro(m, F_SEAL_GROW)) return -1;
if (PyModule_AddIntMacro(m, F_SEAL_WRITE)) return -1;
#endif
return 0;
}