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GH-111804: Drop posix.fallocate() under WASI (GH-111869)
Drop posix.fallocate() under WASI. The underlying POSIX function, posix_fallocate(), was found to vary too much between implementations to remain in WASI. As such, while it was available in WASI preview1, it's been dropped in preview2.
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31c90d5838
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@ -0,0 +1,2 @@
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Remove posix.fallocate() under WASI as the underlying posix_fallocate() is
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not available in WASI preview2.
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6
Modules/clinic/posixmodule.c.h
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6
Modules/clinic/posixmodule.c.h
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@ -8558,7 +8558,7 @@ exit:
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#endif /* (defined HAVE_TRUNCATE || defined MS_WINDOWS) */
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#if (defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG))
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#if (defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG) && !defined(__wasi__))
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PyDoc_STRVAR(os_posix_fallocate__doc__,
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"posix_fallocate($module, fd, offset, length, /)\n"
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@ -8603,7 +8603,7 @@ exit:
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return return_value;
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}
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#endif /* (defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)) */
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#endif /* (defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG) && !defined(__wasi__)) */
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#if (defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG))
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@ -12403,4 +12403,4 @@ exit:
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#ifndef OS_WAITSTATUS_TO_EXITCODE_METHODDEF
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#define OS_WAITSTATUS_TO_EXITCODE_METHODDEF
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#endif /* !defined(OS_WAITSTATUS_TO_EXITCODE_METHODDEF) */
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/*[clinic end generated code: output=a05abdc48e3def44 input=a9049054013a1b77]*/
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/*[clinic end generated code: output=0f216bf44ea358f9 input=a9049054013a1b77]*/
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@ -12165,7 +12165,10 @@ os_truncate_impl(PyObject *module, path_t *path, Py_off_t length)
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#endif
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#if defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG)
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/* GH-111804: Due to posix_fallocate() not having consistent semantics across
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OSs, support was dropped in WASI preview2. */
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#if defined(HAVE_POSIX_FALLOCATE) && !defined(POSIX_FADVISE_AIX_BUG) && \
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!defined(__wasi__)
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/*[clinic input]
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os.posix_fallocate
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@ -12203,7 +12206,7 @@ os_posix_fallocate_impl(PyObject *module, int fd, Py_off_t offset,
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errno = result;
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return posix_error();
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}
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#endif /* HAVE_POSIX_FALLOCATE) && !POSIX_FADVISE_AIX_BUG */
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#endif /* HAVE_POSIX_FALLOCATE) && !POSIX_FADVISE_AIX_BUG && !defined(__wasi__) */
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#if defined(HAVE_POSIX_FADVISE) && !defined(POSIX_FADVISE_AIX_BUG)
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