https://github.com/python/cpython/commit/8e18a9dce2af361d9974812e6ffa22bf3970d057
commit: 8e18a9dce2af361d9974812e6ffa22bf3970d057
branch: main
author: RUANG (James Roy) <longjin...@outlook.com>
committer: serhiy-storchaka <storch...@gmail.com>
date: 2025-04-25T00:06:42+03:00
summary:
gh-127385: Add F_DUPFD_QUERY to fcntl (GH-127386)
files:
A Misc/NEWS.d/next/Library/2024-11-29-13-06-52.gh-issue-127385.PErcyB.rst
M Doc/library/fcntl.rst
M Modules/fcntlmodule.c
diff --git a/Doc/library/fcntl.rst b/Doc/library/fcntl.rst
index a9fbab3d0bbf33..b4ea3e7e31bd8c 100644
--- a/Doc/library/fcntl.rst
+++ b/Doc/library/fcntl.rst
@@ -79,6 +79,10 @@ descriptor.
On macOS and NetBSD, the :mod:`!fcntl` module exposes the ``F_GETNOSIGPIPE``
and ``F_SETNOSIGPIPE`` constant.
+.. versionchanged:: next
+ On Linux >= 6.1, the :mod:`!fcntl` module exposes the ``F_DUPFD_QUERY``
+ to query a file descriptor pointing to the same file.
+
The module defines the following functions:
diff --git
a/Misc/NEWS.d/next/Library/2024-11-29-13-06-52.gh-issue-127385.PErcyB.rst
b/Misc/NEWS.d/next/Library/2024-11-29-13-06-52.gh-issue-127385.PErcyB.rst
new file mode 100644
index 00000000000000..3770d586ba4620
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-11-29-13-06-52.gh-issue-127385.PErcyB.rst
@@ -0,0 +1 @@
+Add the ``F_DUPFD_QUERY`` constant to the :mod:`fcntl` module.
diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 81a1e1c22c8a27..7e14e6bc3a525d 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -559,6 +559,9 @@ all_ins(PyObject* m)
#ifdef F_NOTIFY
if (PyModule_AddIntMacro(m, F_NOTIFY)) return -1;
#endif
+#ifdef F_DUPFD_QUERY
+ if (PyModule_AddIntMacro(m, F_DUPFD_QUERY)) return -1;
+#endif
/* Old BSD flock(). */
#ifdef F_EXLCK
if (PyModule_AddIntMacro(m, F_EXLCK)) return -1;
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