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typo; clarify what happens on non-windows when 'windows is used

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svn: r17372
This commit is contained in:
Eli Barzilay 2009-12-21 05:39:00 +00:00
parent 16fd573e7b
commit 64b11991c1
1 changed files with 4 additions and 3 deletions
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7
collects/scribblings/foreign/types.scrbl
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@ -390,11 +390,12 @@ If @scheme[save-errno] is @scheme['posix], then the value of
@as-index{@tt{errno}} is saved (specific to the current thread)
immediately after a foreign function returns. The saved value is
accessible through @scheme[saved-errno]. If @scheme[save-errno] is
@scheme['window], then the value of
@scheme['windows], then the value of
@as-index{@tt{GetLastError}}@tt{()} is saved for later use via
@scheme[saved-errno]; the @scheme['windows] option is available only
under Windows. If @scheme[save-errno] is @scheme[#f], no error value
is saved automatically. The error-recording support provided by
under Windows (on other platforms @scheme[saved-errno] will return
0). If @scheme[save-errno] is @scheme[#f], no error value is saved
automatically. The error-recording support provided by
@scheme[save-errno] is needed because the PLT Scheme runtime system
may otherwise preempt the current Scheme thread and itself call
functions that set error values.