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[3.11] gh-95174: Handle missing dup() and constants in WASI (GH-95229) (GH-95272)

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Co-authored-by: Christian Heimes <christian@python.org>
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Christian Heimes 2022-07-31 17:39:41 +02:00 • committed by GitHub
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commit db13c0c1b8
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12 changed files with 47 additions and 5 deletions
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Modules/posixmodule.c
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@ -9346,7 +9346,9 @@ os_dup_impl(PyObject *module, int fd)
return _Py_dup(fd);
}
// dup2() is either provided by libc or dup2.c with AC_REPLACE_FUNCS().
// dup2.c provides working dup2() if and only if F_DUPFD is available.
#if (defined(HAVE_DUP3) || defined(F_DUPFD) || defined(MS_WINDOWS))
/*[clinic input]
os.dup2 -> int
fd: int
@ -9446,6 +9448,7 @@ os_dup2_impl(PyObject *module, int fd, int fd2, int inheritable)
return res;
}
#endif
#ifdef HAVE_LOCKF