* include/sys/file.h: Move X_OK protection earlier.
* dtable.cc (dtable::vfork_child_fixup): Avoid closing already closed handles.
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@@ -25,10 +25,10 @@
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#define F_OK 0 /* does file exist */
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#define _X_OK 1 /* is it executable by caller */
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#undef X_OK
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#if defined (__CYGWIN__) || defined (__INSIDE_CYGWIN__)
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# define X_OK _X_OK /* Check for execute permission. */
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#else
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# undef X_OK
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extern const unsigned _cygwin_X_OK;
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# define X_OK _cygwin_X_OK
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#endif
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